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Shaded-relief map of East Buffalo, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · UNION COUNTY

East Buffalo

7,465 people, 570 ft above sea level in Union County.

570 ftElevation, city center
7,465People, 2024 estimate
15 sq miLand area
Sunny 45°
Sunny now Dew point 33° · WNW 9 mph · high 48°
City of East Buffalo River Interstate 2 miles
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The East Buffalo 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 East Buffalo

NWS forecast and National Blend of Models · updated 1:00 PM EST
RIGHT NOW Selinsgrove Penn Valley Airport (KSEG) · 2:53 PM
Sunny
45° Sunny Feels like 40° · high of 48° near 3 PM
WindWNW 9 mphgusts 20
Humidity63%rising to 92% by morning
Pressure29.87 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 33° · Dry25° by Sunday: drier air arrives
DryComfortableStickyMuggyOppressive
NEXT RAIN
Clear
Not this weeknone in the forecast for a week
LIKELY AMOUNT—nothing expected
LAST RAINNov. 120.67 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Union County
NWS State College and the Storm Prediction Center · checked 3:17 PM
SUN & MOON
↑ 6:53 AM4:50 PM ↓
9 h 56 m of daylight, 2 minutes less than yesterday
Waxing crescent, 25% lit. Next full moon: Nov. 24.
AIR & POLLEN
21
GOODAir quality index · ozone
Tomorrow: 20, 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
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
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3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
mostly cloudy day
mostly cloudy night
mostly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
mostly cloudy day
mostly cloudy day
partly cloudy night
mostly clear night
mostly clear night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
mostly sunny
mostly clear night
mostly clear night
mostly clear night
mostly clear night
partly cloudy day
mostly sunny
mostly sunny
TEMPERATURE °F
48°
33°
49°
33°
52°
28°
CHANCE OF RAIN
50%
WIND, MPH
9
7
7
6
6
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9
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8
3
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0
2
2
7
6
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2
HOW IT FEELS · DEW POINT
Dry: dew points 30 to 35° ↑ The front passes More humid: 35° by Tuesday

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 52° / 32°
SAT Nov. 14 Mostly cloudy Mostly cloudy
48° 29°
0% rain — WNW 10 A
SUN Nov. 15 Partly cloudy Partly cloudy
49° 27°
10% rain — NNW 8 A
MON Nov. 16 Partly cloudy Partly cloudy
54° 23°
0% rain — NNW 5 B
TUE Nov. 17 Sunny Sunny
57° 25°
0% rain — W 5 B
WED Nov. 18 Sunny Sunny
60° 26°
0% rain — SW 5 B
THU Nov. 19 Partly cloudy Partly cloudy
62° 30°
0% rain — SSW 5 B
FRI Nov. 20 Mostly sunny Mostly sunny
63° 33°
0% rain — NW 5 B
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 East Buffalo about 5,000 feet above the ground was over the Canadian Prairies three days ago, and over the Great Lakes a day ago, about 2,110 miles back along its path. It rose from near the ground on the way. Near the ground the air came from British Columbia; at 10,000 feet, from the Gulf of Alaska. It feels dry all the same. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

THIS WEEK, NINE YEARS AGO Nov. 11, 2017

The coldest this week has been

10° on Nov. 11, 2017, the coldest reading for this week of the year since 1996. Next is 15° in 2019.

15°
10°
20192017
Source: NOAA RCC-ACIS, the Lewisburg record since 1996.
MILE2
THE GROUND

What East Buffalo stands on

East Buffalo’s center stands about 570 ft above sea level. Within three miles the land runs from 420 ft to 1,060 ft, a difference of 640 ft: hilly country. The highest named summit within 15 miles is Jones Mountain, about 2,180 ft, 12 miles west-northwest.

Under the town center the state geologic map shows Keyser and Tonoloway Formations, undivided (limestone), from the Silurian to Devonian, 359 to 445 million years old.

The section below crosses 11 rock units mapped at the surface.

East Buffalo, cut in half from south to north

A section south to north, 24 miles through the town center
500 ft1,000 ft1,500 ft EAST BUFFALO570 ftLow point400 ftHummels Wharf480 ftMonroe590 ftUnion490 ftHigh point of the line1,970 ft ← S · Lower AugustaN →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 12×. 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

Keyser and Tonoloway Formations, undivided

Limestone. Age: Silurian to Devonian, 359 to 445 million years old. About 4 mi of the line.

Clinton Group

Shale, sandstone. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.

Wills Creek Formation

Shale. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.

Hamilton Group

Black-shale. Age: Early Devonian to Middle Devonian, 384 to 422 million years old. About 3 mi of the line.

Tuscarora Formation

Quartzite. Age: Silurian, 422 to 445 million years old. About 2 mi of the line.

Irish Valley Member of Catskill Formation

Siltstone. Age: Late Devonian, 359 to 384 million years old. About 2 mi of the line.

From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 5 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 East Buffalo’s rain goes

A raindrop that lands in East Buffalo reaches Chesapeake Bay and the Atlantic Ocean by way of Turtle Creek, the West Branch Susquehanna and the Susquehanna: about 140 river miles.

THE WAY DOWN, TO SCALE
East Buffalo≈ 140 mi · Chesapeake Bay and the Atlantic Ocean
FROM THE CENTER OF EAST BUFFALO ≈ 140 mi to Chesapeake Bay and the Atlantic Ocean Turtle Creek → West Branch Susquehanna → Susquehanna

Lake on the way: Lake Aldred.

85 miles of the trip are on the Susquehanna.

Traced down the USGS NHDPlus V2.1 river network from the Census center point of East Buffalo; river miles along the main stem, rounded.

MILE5
THE ALMANAC

East Buffalo’s year

1991–2020 normals · records since 1996 · Lewisburg, 2 mi northeast

East Buffalo has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 19° in January. A normal year brings about 29 inches of snow; with the rain, that comes to about 44 inches of water.

35°19°39°20°48°27°62°37°72°48°80°57°84°62°83°60°75°52°63°41°50°31°40°24° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 TODAY EAST BUFFALO 43.9 in rain and snowmelt
Normal high to low, by month Rain by month Freezing
July, average84° / 62°high / low, the warmest month
January, average35° / 19°high / low, the coldest month
Rain and melted snow43.9 inwettest months: July and September
Snow a year28.8 insnowiest: January
Hottest on record100°FJuly 23, 2011
Coldest on record−13°FJanuary 18, 2009
Wettest day on record6.77 inSeptember 7, 1999
Snowiest day on record13.7 inDecember 17, 2020
90° days a year13very few reach 100°
Nights at or below 32°133and 28 days that stay below freezing
Climate typeHot-summer humid continentalKöppen Dfa

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Oct. 19, to the last in spring, about April 26 (median dates)
2Lows below freezingNov. 11 to April 2; normal lows fall below 32°
MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high35°39°48°62°72°80°84°83°75°63°50°40°
Normal low19°20°27°37°48°57°62°60°52°41°31°24°
Rain and melt, in3.132.413.483.753.933.744.494.284.413.813.103.35
Snow, inches8.07.85.30.80.00.00.00.00.00.21.35.4

Normals 1991–2020 and records since 1996 at Lewisburg, 2 miles northeast. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around East Buffalo on the Forecast Network

Neighboring plates

Williamsport PA · 22 MI 22 miles north Philadelphia PA · 113 MI 113 miles southeast Washington DC · 140 MI 140 miles south New York NY · 157 MI 157 miles east Hempstead NY · 174 MI 174 miles east
FORECASTCITY
Map of East Buffalo, Pennsylvania. Explore the plate
PENNSYLVANIA · UNION

East Buffalo

7,465 people, 570 ft above sea level in Union County.

570 ftElevation
7,465People
15 sq miLand
Sunny 45°
SunnyDew point 33°
1

Today in East Buffalo

NEXT 15 HOURS
Now overcast 48° 2%
6p mostly cloudy night 45° 4%
9p mostly cloudy night 39° 2%
12a mostly cloudy night 38° 1%
3a partly cloudy night 36° 1%
6a partly cloudy night 34° 1%
Clear
NEXT RAINNone this week
→
Sat0%
Mostly cloudy Mostly cloudy
29
48
A
Sun10%
Partly cloudy Partly cloudy
27
49
A
Mon0%
Partly cloudy Partly cloudy
23
54
B
Tue0%
Sunny Sunny
25
57
B
Wed0%
Sunny Sunny
26
60
B
Thu0%
Partly cloudy Partly cloudy
30
62
B
Fri0%
Mostly sunny Mostly sunny
33
63
B
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK, NINE YEARS AGO · NOV. 11, 2017

10°, the coldest this week of the year has been since 1996.

2

What East Buffalo stands on

East Buffalo’s center stands about 570 ft above sea level. Within three miles the land runs from 420 ft to 1,060 ft, a difference of 640 ft: hilly country. The highest named summit within 15 miles is Jones Mountain, about 2,180 ft, 12 miles west-northwest.

East Buffalo, south to north East Buffalo570 ft ← SN → 24 miles through the town center; vertical exaggeration about 23×. Colors: rock at the surface.
Elevation, center570 ft
Within 3 miles420 to 1,060 ft
Lie of the landHilly (640 ft of relief)
High point nearbyJones Mountain, 2,180 ft, 12 mi west-northwest
Rock at the surfaceKeyser and Tonoloway Formations, undivided
Its ageSilurian to Devonian, 359 to 445 million years old
5

East Buffalo’s year

East Buffalo has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 19° in January. A normal year brings about 29 inches of snow; with the rain, that comes to about 44 inches of water.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 43.9 in
July, average84° / 62° · high / low, the warmest month
January, average35° / 19° · high / low, the coldest month
Rain and melted snow43.9 in · wettest months: July and September
Snow a year28.8 in · snowiest: January
Hottest on record100°F · July 23, 2011
Coldest on record−13°F · January 18, 2009
Wettest day on record6.77 in · September 7, 1999
Snowiest day on record13.7 in · December 17, 2020
90° days a year13 · very few reach 100°
Nights at or below 32°133 · and 28 days that stay below freezing
Climate typeHot-summer humid continental · Köppen Dfa
1Freeze season · from the first fall freeze, about Oct. 19, to the last in spring, about April 26 (median dates)
2Lows below freezing · Nov. 11 to April 2; normal lows fall below 32°
Normals 1991–2020 and records since 1996 at Lewisburg, 2 miles northeast. NOAA, through RCC-ACIS.
3

Where the rain goes

≈ 140 mito the AtlanticTurtle Creek → West Branch Susquehanna → Susquehanna

A raindrop that lands in East Buffalo reaches Chesapeake Bay and the Atlantic Ocean by way of Turtle Creek, the West Branch Susquehanna and the Susquehanna: about 140 river miles.

Lake on the way: Lake Aldred.

85 miles of the trip are on the Susquehanna.