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Shaded-relief atlas plate of Penn, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · PERRY COUNTY

Penn

3,181 people, 460 ft above sea level in Perry County.

460 ftElevation, city center
3,181People, 2024 estimate
21 sq miLand area
Sunny 70°
Sunny now Dew point 59° · W 5 mph · high 72°
City of Penn River Interstate 2 miles
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The Penn 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 Penn

NWS forecast and National Blend of Models · updated 4:00 PM EDT
RIGHT NOW Harrisburg International Airport (KMDT) · 3:56 PM
Sunny
70° Sunny Feels like 70° · high of 72° near 4 PM
WindW 5 mphno gusts
Humidity68%rising to 96% by morning
Pressure30.02 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 59° · Comfortableabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Friday30% chance · showers
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 270.27 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Perry County
NWS State College and the Storm Prediction Center · checked 4:55 PM
SUN & MOON
↑ 7:02 AM6:54 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 88% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
28
GOODAir quality index · ozone
Tomorrow: 53, moderate. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
partly cloudy day
partly cloudy night
mostly clear night
partly cloudy night
partly cloudy night
partly cloudy day
mostly sunny
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
mostly sunny
mostly sunny
mostly clear night
mostly clear night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
TEMPERATURE °F
72°
59°
78°
64°
79°
64°
CHANCE OF RAIN
50%
WIND, MPH
5
0
0
0
0
0
0
6
5
5
5
3
2
1
0
5
6
7
6
5
5
5
6
10
HOW IT FEELS · DEW POINT
Sticky: dew points 58 to 65°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 72° / 53°
TUE Sept. 29 Partly cloudy Partly cloudy
72° 59°
0% rain — NW 4 A
WED Sept. 30 Partly cloudy Partly cloudy
78° 63°
0% rain — SSW 3 A
THU Oct. 1 Partly cloudy Partly cloudy
80° 64°
0% rain — SSW 3 B
FRI Oct. 2 Chance of showers Chance of showers
83° 58°
30% rain up to 0.1″ NW 13 B
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
70° 53°
30% rain up to 0.1″ NE 5 B
SUN Oct. 4 Chance of showers Chance of showers
67° 53°
40% rain up to 0.7″ S 6 B
MON Oct. 5 Mostly sunny Mostly sunny
67° 45°
10% rain — NW 10 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 Penn about 5,000 feet above the ground was over the Atlantic off the Carolinas three days ago, and over the Great Lakes a day ago, about 1,460 miles back along its path. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

MILE7
ON THE NETWORK

Around Penn on the Forecast Network

Neighboring plates

Harrisburg PA · 10 MI 10 miles southeast Lower Paxton PA · 13 MI 13 miles east Washington DC · 100 MI 100 miles south Philadelphia PA · 103 MI 103 miles east New York NY · 164 MI 164 miles east Hempstead NY · 181 MI 181 miles east
FORECASTCITY
Atlas plate of Penn, Pennsylvania. Explore the plate
PENNSYLVANIA · PERRY

Penn

3,181 people, 460 ft above sea level in Perry County.

460 ftElevation
3,181People
21 sq miLand
Sunny 70°
SunnyDew point 59°
1

Today in Penn

NEXT 15 HOURS
Now partly cloudy day 72° 0%
7p partly cloudy night 69° 1%
10p mostly clear night 64° 1%
1a partly cloudy night 62° 0%
4a partly cloudy night 60° 0%
7a partly cloudy day 59° 0%
Rain
NEXT RAINFriday · 30%
→
Tue0%
Partly cloudy Partly cloudy
59
72
A
Wed0%
Partly cloudy Partly cloudy
63
78
A
Thu0%
Partly cloudy Partly cloudy
64
80
B
Fri30%
Chance of showers Chance of showers
58
83
B
Sat30%
Chance of showers; cooler Chance of showers; cooler
53
70
B
Sun40%
Chance of showers Chance of showers
53
67
B
Mon10%
Mostly sunny Mostly sunny
45
67
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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