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Shaded-relief map of South Bethlehem, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · ARMSTRONG COUNTY

South Bethlehem

473 people, 1,100 ft above sea level in Armstrong County.

1,100 ftElevation, city center
473People, 2024 estimate
0 sq miLand area
Rain 38°
Rain now Dew point 37° · WNW 13 mph · high 40°
City of South Bethlehem River Interstate 2 miles
Explore the plate Order a print

The South Bethlehem 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 South Bethlehem

NWS forecast and National Blend of Models · updated 4:00 PM EST
RIGHT NOW Venango Regional Airport (KFKL) · 4:56 PM
Rain
38° Rain Feels like 30° · high of 40° near 5 PM
WindWNW 13 mphgusts 18
Humidity97%rising to 100% by morning
Pressure29.99 in →steady
Visibility3 mihazy
CloudsClear
UV index—no forecast
Dew point 37° · Dry28° by Sunday: drier air arrives
DryComfortableStickyMuggyOppressive
NEXT RAIN
Mostly cloudy
Today, about 5 PMin about 1 hours · 33% chance · rain
LIKELY AMOUNT—amounts come within 3 days
LAST RAINNov. 80.01 in · 6 dry days
ALERTS & OUTLOOKS
No watches or warnings for Armstrong County
NWS Pittsburgh and the Storm Prediction Center · checked 5:17 PM
SUN & MOON
↑ 7:03 AM5:00 PM ↓
9 h 56 m of daylight, 2 minutes less than yesterday
Waxing crescent, 26% lit. Next full moon: Nov. 24.
AIR & POLLEN
19
GOODAir quality index · ozone
Tomorrow: 25, 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
5p
8p
11p
2a
5a
8a
11a
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8p
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2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
mostly cloudy day
mostly cloudy day
partly cloudy night
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly sunny
mostly sunny
clear day
TEMPERATURE °F
40°
35°
41°
36°
45°
29°
CHANCE OF RAIN
33% · 0.02 in Saturday evening 50%
WIND, MPH
10
10
8
7
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9
8
5
3
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0
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HOW IT FEELS · DEW POINT
Dry: dew points 28 to 38°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 80° / 62°
SAT Nov. 14 Chance of showers Chance of showers
40° 31°
30% rain — WNW 10 A
SUN Nov. 15 Mostly cloudy Mostly cloudy
44° 32°
10% rain — NNW 8 A
MON Nov. 16 Mostly cloudy Mostly cloudy
47° 26°
0% rain — NW 5 A
TUE Nov. 17 Sunny Sunny
50° 27°
0% rain — SW 2 B
WED Nov. 18 Mostly sunny Mostly sunny
53° 29°
0% rain — S 3 B
THU Nov. 19 Partly cloudy Partly cloudy
56° 37°
0% rain — SSW 6 C
FRI Nov. 20 Mostly sunny Mostly sunny
58° 38°
0% rain — WSW 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 South Bethlehem about 5,000 feet above the ground was over British Columbia three days ago, and over the Great Lakes a day ago, about 2,200 miles back along its path. 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, SIX YEARS AGO Nov. 11, 2020

The hottest this week has been

76° on Nov. 11, 2020, the hottest reading for this week of the year since 1943. Next is 73° in 1949.

73°
76°
19492020
Source: NOAA RCC-ACIS, the Putneyville 2 SE Dam record since 1943.
MILE2
THE GROUND

What South Bethlehem stands on

South Bethlehem’s center stands about 1,100 ft above sea level. Within three miles the land runs from 1,040 ft to 1,610 ft, a difference of 570 ft: hilly country. The highest named summit within 15 miles is Myers Hill, about 1,560 ft, 9 miles northwest.

The section below crosses 4 rock units mapped at the surface.

South Bethlehem, cut in half from southwest to northeast

A section southwest to northeast, 24 miles through the town center
750 ft1,000 ft1,250 ft1,500 ft SOUTH BETHLEHEM1,100 ftAllegheny Riverabout 790 ftMahoning Creekabout 900 ftSummerville1,180 ft ← SWSummerville · NE →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 24×. 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

Allegheny Formation

Sandstone. Age: Carboniferous, 299 to 324 million years old. About 11 mi of the line.

Pottsville Formation

Sandstone, conglomerate. Age: Carboniferous, 299 to 324 million years old. About 7 mi of the line.

Glenshaw Formation

Shale. Age: Carboniferous, 299 to 324 million years old. About 6 mi of the line.

Burgoon Sandstone through Cuyahoga Group, undifferentiated

Sandstone. Age: Carboniferous, 324 to 359 million years old. About 0.5 mi of the line.

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

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 South Bethlehem’s rain goes

A raindrop that lands in South Bethlehem reaches the Gulf of America by way of Redbank Creek, the Allegheny, the Ohio and the Mississippi: about 2,030 river miles.

THE WAY DOWN, TO SCALE
South Bethlehem≈ 2,030 mi · the Gulf of America
FROM THE CENTER OF SOUTH BETHLEHEM ≈ 2,030 mi to the Gulf of America Redbank Creek → Allegheny → Ohio → Mississippi

970 miles of the trip are on the Ohio.

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

MILE5
THE ALMANAC

South Bethlehem’s year

1991–2020 normals · records since 1943 · Putneyville 2 SE Dam, 6 mi south-southeast

South Bethlehem has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 17° in January. A normal year brings about 34 inches of snow; with the rain, that comes to about 46 inches of water.

35°17°38°18°47°24°61°35°71°45°78°54°82°58°81°57°74°50°62°39°50°30°39°23° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 TODAY 45.7 in rain and snowmelt
Normal high to low, by month Record high to low, by day Rain by month Freezing
July, average82° / 58°high / low, the warmest month
January, average35° / 17°high / low, the coldest month
Rain and melted snow45.7 inwettest months: June and July
Snow a year34.5 insnowiest: January
Hottest on record103°FJuly 17, 1988
Coldest on record−22°FFebruary 25, 2015
Wettest day on record5.75 inSeptember 30, 2015
Snowiest day on record15.0 inDecember 12, 1944
90° days a year8none reach 100°
Nights at or below 32°152and 36 days that stay below freezing
Climate typeWarm-summer humid continentalKöppen Dfb

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Oct. 7, to the last in spring, about May 16 (median dates)
2Lows below freezingNov. 7 to April 9; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 South Bethlehem normally reaches 50° and falls to 31°. The record high is 72°, in 1955; the record low 9°, in 1986. The most rain on this date, 1.05 in, fell in 1997.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high35°38°47°61°71°78°82°81°74°62°50°39°
Normal low17°18°24°35°45°54°58°57°50°39°30°23°
Rain and melt, in3.372.863.554.084.064.754.743.814.093.293.643.49
Snow, inches12.45.15.90.30.00.00.00.00.00.01.79.1
Record high73° (1950)73° (2017)84° (1998)90° (1985)92° (1951)100° (1948)103° (1988)99° (1988)96° (1953)88° (2019)80° (2024)73° (1982)
Record low−22° (1994)−22° (2015)−12° (1960)11° (1995)17° (1947)28° (2019)36° (1988)33° (1982)22° (1957)15° (1988)−2° (1958)−19° (1951)

Normals 1991–2020 and records since 1943 at Putneyville 2 SE Dam, 6 miles south-southeast, 180 ft higher. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around South Bethlehem on the Forecast Network

Neighboring plates

Pittsburgh PA · 51 MI 51 miles southwest Cleveland OH · 126 MI 126 miles west Baltimore MD · 186 MI 186 miles southeast Washington DC · 190 MI 190 miles southeast
FORECASTCITY
Map of South Bethlehem, Pennsylvania. Explore the plate
PENNSYLVANIA · ARMSTRONG

South Bethlehem

473 people, 1,100 ft above sea level in Armstrong County.

1,100 ftElevation
473People
0 sq miLand
Rain 38°
RainDew point 37°
1

Today in South Bethlehem

NEXT 15 HOURS
Now rain 40° 33%
8p rain 39° 32%
11p mostly cloudy night 37° 12%
2a mostly cloudy night 36° 11%
5a mostly cloudy night 35° 2%
8a mostly cloudy day 35° 2%
Mostly cloudy
NEXT RAINToday about 5 PM · 33%
→
Sat30%
Chance of showers Chance of showers
31
40
A
Sun10%
Mostly cloudy Mostly cloudy
32
44
A
Mon0%
Mostly cloudy Mostly cloudy
26
47
A
Tue0%
Sunny Sunny
27
50
B
Wed0%
Mostly sunny Mostly sunny
29
53
B
Thu0%
Partly cloudy Partly cloudy
37
56
C
Fri0%
Mostly sunny Mostly sunny
38
58
B
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK, SIX YEARS AGO · NOV. 11, 2020

76°, the hottest this week of the year has been since 1943.

2

What South Bethlehem stands on

South Bethlehem’s center stands about 1,100 ft above sea level. Within three miles the land runs from 1,040 ft to 1,610 ft, a difference of 570 ft: hilly country. The highest named summit within 15 miles is Myers Hill, about 1,560 ft, 9 miles northwest.

South Bethlehem, southwest to northeast South Bethlehem1,100 ftAllegheny Riverabout 790 ft ← SWNE → 24 miles through the town center; vertical exaggeration about 47×. Colors: rock at the surface.
Elevation, center1,100 ft
Within 3 miles1,040 to 1,610 ft
Lie of the landHilly (570 ft of relief)
High point nearbyMyers Hill, 1,560 ft, 9 mi northwest
5

South Bethlehem’s year

South Bethlehem has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 17° in January. A normal year brings about 34 inches of snow; with the rain, that comes to about 46 inches of water.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 45.7 in
July, average82° / 58° · high / low, the warmest month
January, average35° / 17° · high / low, the coldest month
Rain and melted snow45.7 in · wettest months: June and July
Snow a year34.5 in · snowiest: January
Hottest on record103°F · July 17, 1988
Coldest on record−22°F · February 25, 2015
Wettest day on record5.75 in · September 30, 2015
Snowiest day on record15.0 in · December 12, 1944
90° days a year8 · none reach 100°
Nights at or below 32°152 · and 36 days that stay below freezing
Climate typeWarm-summer humid continental · Köppen Dfb
1Freeze season · from the first fall freeze, about Oct. 7, to the last in spring, about May 16 (median dates)
2Lows below freezing · Nov. 7 to April 9; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 South Bethlehem normally reaches 50° and falls to 31°. The record high is 72°, in 1955; the record low 9°, in 1986. The most rain on this date, 1.05 in, fell in 1997.

Normals 1991–2020 and records since 1943 at Putneyville 2 SE Dam, 6 miles south-southeast, 180 ft higher. NOAA, through RCC-ACIS.
3

Where the rain goes

≈ 2,030 mito the Gulf of AmericaRedbank Creek → Allegheny → Ohio → Mississippi

A raindrop that lands in South Bethlehem reaches the Gulf of America by way of Redbank Creek, the Allegheny, the Ohio and the Mississippi: about 2,030 river miles.

970 miles of the trip are on the Ohio.