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Shaded-relief map of University of California-Merced, California: rivers, roads, the city limits and where the water drains.
CALIFORNIA · MERCED COUNTY

University of California-Merced

A census-designated place, 230 ft above sea level in Merced County.

230 ftElevation, city center
1 sq miLand area
Sunny 63°
Sunny now Dew point 46° · S 3 mph · high 65°
City of University of California-Merced River Interstate 2 miles
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The University of California-Merced plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in University of California-Merced

NWS forecast and National Blend of Models · updated 3:00 PM PST
RIGHT NOW Merced Regional Airport (KMCE) · 3:53 PM
Sunny
63° Sunny Feels like 63° · high of 65° near 4 PM
WindS 3 mphno gusts
Humidity54%rising to 96% by morning
Pressure29.97 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 46° · Dryabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Tomorrow, about 11 PMin about 31 hours · 74% chance · showers
LIKELY AMOUNT0–0.2 inmost likely 0; 1 in 10 over 0.4
LAST RAINNov. 130.27 in · 1 dry day
ALERTS & OUTLOOKS
No watches or warnings for Merced County
NWS Hanford and the Storm Prediction Center · checked 4:18 PM
SUN & MOON
↑ 6:40 AM4:52 PM ↓
10 h 12 m of daylight, 2 minutes less than yesterday
Waxing crescent, 27% lit. Next full moon: Nov. 24.
AIR & POLLEN
33
GOODAir quality index · ozone
Tomorrow: 39, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
SATURDAY, NOV. 14
SUNDAY, NOV. 15
MONDAY, NOV. 16
TUESDAY, NOV. 17
4p
7p
10p
1a
4a
7a
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7p
10p
1a
4a
7a
10a
1p
4p
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1a
4a
7a
10a
1p
partly cloudy night
partly cloudy night
partly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
partly cloudy day
partly cloudy night
partly cloudy night
rain
rain
rain
rain
rain
rain
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
mostly sunny
mostly sunny
TEMPERATURE °F
65°
46°
69°
51°
59°
43°
CHANCE OF RAIN
74% · 0.18 in Monday morning 50%
WIND, MPH
0
0
0
0
3
7
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8
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HOW IT FEELS · DEW POINT
Dry: dew points 43 to 52°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 67° / 41°
SAT Nov. 14 Mostly sunny Mostly sunny
65° 43°
0% rain — S 0 A
SUN Nov. 15 Chance of showers Chance of showers
69° 47°
40% rain up to 0.2″ SE 8 A
MON Nov. 16 Showers likely; cooler Showers likely; cooler
60° 39°
70% rain 0.1–0.6″ NNW 8 C
TUE Nov. 17 Sunny Sunny
61° 39°
0% rain — ENE 2 B
WED Nov. 18 Showers likely Showers likely
55° 43°
90% rain 0.6–1.7″ SE 17, gusts 35 C
THU Nov. 19 Showers likely Showers likely
59° 40°
70% rain 0.1–1.2″ SE 15, gusts 30 C
FRI Nov. 20 Partly cloudy Partly cloudy
59° 37°
10% rain — ESE 5 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over University of California-Merced about 5,000 feet above the ground was over the Mojave Desert three days ago, and over the California coast a day ago, about 480 miles back along its path. Most of the nine paths traced from around the city agree. Near the ground the air came from the California coast; at 10,000 feet, from the desert Southwest. Traced back 72 hours through NOAA’s hourly RAP analyses, nine paths at each of three heights.

THIS WEEK IN 1905 Nov. 15, 1905

The coldest this week has been

22° on Nov. 15, 1905, the coldest reading for this week of the year since 1899. Next is 24° in 1938.

24°
22°
19381905
Source: NOAA RCC-ACIS, the Merced Area threaded record since 1899.
MILE2
THE GROUND

What University of California-Merced stands on

University of California-Merced’s center stands about 230 ft above sea level. Within three miles the land runs from 180 ft to 420 ft, a difference of 240 ft: rolling country. The highest named summit within 15 miles is Santa Cruz Mountain, about 1,490 ft, 13 miles east-northeast.

Under the town center the state geologic map shows Plio-Pleistocene and Pliocene loosely consolidated deposits (sandstone, conglomerate), from the Miocene to Pleistocene, less than 23 million years old.

The section below crosses 8 rock units mapped at the surface.

University of California-Merced, cut in half from west to east

A section west to east, 24 miles through the town center
250 ft500 ft750 ft1,000 ft UNIVERSITY OF CALIFORNIA-MERCED230 ftLow point130 ftMcSwain140 ftFranklin160 ftFahrens Creekabout 170 ftThree Buttes1,030 ft ← W · McSwainE →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 22×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.

Rock at the surface along the line

Plio-Pleistocene and Pliocene loosely consolidated deposits

Sandstone, conglomerate. Age: Miocene to Pleistocene, less than 23 million years old. About 7 mi of the line.

Quaternary sand deposits, unit 2 (inland)

Sand. Age: Quaternary, less than 2.6 million years old. About 6 mi of the line.

Quaternary alluvium and marine deposits

Coarse-detrital. Age: Pleistocene to Holocene, less than 2.6 million years old. About 4 mi of the line.

Miocene nonmarine rocks

Sandstone, conglomerate. Age: Oligocene to Pleistocene, less than 34 million years old. About 3 mi of the line.

Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains)

Mafic-volcanic. Age: Jurassic, 145 to 202 million years old. About 2 mi of the line.

Eocene nonmarine rocks, unit 1 (Northern and Central California)

Sandstone. Age: Eocene, 34 to 56 million years old. About 1 mi of the line.

From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 smaller units along the line are not listed.

Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.

MILE3
THE WATER

Where University of California-Merced’s rain goes

A raindrop that lands in University of California-Merced reaches San Francisco Bay and the Pacific Ocean by way of Bear Creek, the San Joaquin and New York Slough: about 170 river miles.

THE WAY DOWN, TO SCALE
University of California-Merced≈ 170 mi · San Francisco Bay and the Pacific Ocean
FROM THE CENTER OF UNIVERSITY OF CALIFORNIA-MERCED ≈ 170 mi to San Francisco Bay and the Pacific Ocean Bear Creek → San Joaquin → New York Slough

130 miles of the trip are on the San Joaquin.

Traced down the USGS NHDPlus V2.1 river network from the Census center point of University of California-Merced; river miles along the main stem, rounded.

MILE5
THE ALMANAC

University of California-Merced’s year

1991–2020 normals · records since 1899 · Merced Municipal Airport, 8 mi southwest

University of California-Merced has a cold semi-arid climate. Summer afternoons average 96° in July; winter nights fall to about 36° in December. About 12 inches of rain fall in a normal year.

56°37°62°39°68°42°74°45°83°52°91°58°96°62°95°61°91°57°80°49°66°41°56°36° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 123 TODAY 11.8 in rain a year
Normal high to low, by month Record high to low, by day Rain by month
July, average96° / 62°high / low, the warmest month
December, average56° / 36°high / low, the coldest month
Rain a year11.8 inwettest months: January and February
Hottest on record116°FSeptember 6, 2022
Coldest on record15°FDecember 24, 1990
Wettest day on record2.20 inMarch 9, 1911
Snowiest day on record2.0 inJanuary 1, 1916
90° days a year102about 24 of them 100° or more
Nights at or below 32°26a year, on average
Climate typeCold semi-aridKöppen BSk

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Nov. 24, to the last in spring, about March 1 (median dates)
2Highs of 90° and upJune 12 to Sept. 20; normal highs reach 90°
3Wettest stretchDecember through February: 6.5 of the year’s 11.8 inches
NOVEMBER 14 IN THE RECORD

On November 14 University of California-Merced normally reaches 67° and falls to 41°. The record high is 81°, in 1933; the record low 25°, in 1938. The most rain on this date, 1.57 in, fell in 1953.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high56°62°68°74°83°91°96°95°91°80°66°56°
Normal low37°39°42°45°52°58°62°61°57°49°41°36°
Rain, inches2.372.201.821.120.550.120.000.000.050.641.021.91
Record high75° (2021)84° (1930)90° (2026)98° (1985)109° (1928)111° (1961)114° (1925)114° (1905)116° (2022)106° (2024)90° (2010)76° (1912)
Record low16° (1949)20° (1990)20° (1908)25° (1979)30° (1978)37° (1979)40° (1904)36° (1979)32° (1906)28° (1971)21° (1906)15° (1990)

Normals 1991–2020 and records since 1899 from the Merced Area threaded record (Merced Municipal Airport, 8 miles southwest). NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around University of California-Merced on the Forecast Network

Neighboring plates

Merced CA · 5 MI 5 miles southwest Modesto CA · 37 MI 37 miles northwest Fresno CA · 53 MI 53 miles southeast San Jose CA · 77 MI 77 miles west Sacramento CA · 101 MI 101 miles northwest San Francisco CA · 146 MI 146 miles west
FORECASTCITY
Map of University of California-Merced, California. Explore the plate
CALIFORNIA · MERCED

University of California-Merced

A census-designated place, 230 ft above sea level in Merced County.

230 ftElevation
1 sq miLand
Sunny 63°
SunnyDew point 46°
1

Today in University of California-Merced

NEXT 15 HOURS
Now mostly sunny 65° 0%
7p partly cloudy night 55° 0%
10p partly cloudy night 50° 0%
1a partly cloudy night 48° 0%
4a mostly cloudy night 46° 0%
7a mostly cloudy day 46° 1%
Rain
NEXT RAINTomorrow about 11 PM · 74%
→
Sat0%
Mostly sunny Mostly sunny
43
65
A
Sun40%
Chance of showers Chance of showers
47
69
A
Mon70%
Showers likely; cooler Showers likely; cooler
39
60
C
Tue0%
Sunny Sunny
39
61
B
Wed90%
Showers likely Showers likely
43
55
C
Thu70%
Showers likely Showers likely
40
59
C
Fri10%
Partly cloudy Partly cloudy
37
59
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK IN 1905 · NOV. 15, 1905

22°, the coldest this week of the year has been since 1899.

2

What University of California-Merced stands on

University of California-Merced’s center stands about 230 ft above sea level. Within three miles the land runs from 180 ft to 420 ft, a difference of 240 ft: rolling country. The highest named summit within 15 miles is Santa Cruz Mountain, about 1,490 ft, 13 miles east-northeast.

University of California-Merced, west to east University of California-Merced230 ftFahrens Creekabout 170 ftThree Buttes1,030 ft ← WE → 24 miles through the town center; vertical exaggeration about 42×. Colors: rock at the surface.
Elevation, center230 ft
Within 3 miles180 to 420 ft
Lie of the landRolling (240 ft of relief)
High point nearbySanta Cruz Mountain, 1,490 ft, 13 mi east-northeast
Rock at the surfacePlio-Pleistocene and Pliocene loosely consolidated deposits
Its ageMiocene to Pleistocene, less than 23 million years old
5

University of California-Merced’s year

University of California-Merced has a cold semi-arid climate. Summer afternoons average 96° in July; winter nights fall to about 36° in December. About 12 inches of rain fall in a normal year.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 123 11.8 in
July, average96° / 62° · high / low, the warmest month
December, average56° / 36° · high / low, the coldest month
Rain a year11.8 in · wettest months: January and February
Hottest on record116°F · September 6, 2022
Coldest on record15°F · December 24, 1990
Wettest day on record2.20 in · March 9, 1911
Snowiest day on record2.0 in · January 1, 1916
90° days a year102 · about 24 of them 100° or more
Nights at or below 32°26 · a year, on average
Climate typeCold semi-arid · Köppen BSk
1Freeze season · from the first fall freeze, about Nov. 24, to the last in spring, about March 1 (median dates)
2Highs of 90° and up · June 12 to Sept. 20; normal highs reach 90°
3Wettest stretch · December through February: 6.5 of the year’s 11.8 inches
NOVEMBER 14 IN THE RECORD

On November 14 University of California-Merced normally reaches 67° and falls to 41°. The record high is 81°, in 1933; the record low 25°, in 1938. The most rain on this date, 1.57 in, fell in 1953.

Normals 1991–2020 and records since 1899 from the Merced Area threaded record (Merced Municipal Airport, 8 miles southwest). NOAA, through RCC-ACIS.
3

Where the rain goes

≈ 170 mito the PacificBear Creek → San Joaquin → New York Slough

A raindrop that lands in University of California-Merced reaches San Francisco Bay and the Pacific Ocean by way of Bear Creek, the San Joaquin and New York Slough: about 170 river miles.

130 miles of the trip are on the San Joaquin.