What is today's weather forecast for Penn, PA?

Today's forecast for Penn shows a low of 25 degrees Fahrenheit. Partly cloudy, with a low around 25.

What is the 7-day weather forecast for Penn, PA?

The 7-day forecast for Penn shows highs from 35 to 54 degrees and lows from 18 to 34 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Penn, PA this week?

Yes, rain is possible in Penn this week. Precipitation chances: Thursday (100% chance), Friday (60% chance), Saturday (30% chance), Monday (30% chance), Tuesday (50% chance).

How accurate is the Penn weather forecast?

WeatherForYou provides highly accurate Penn forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Penn, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

40°F
Feels Like 40°F

Humidity 69% Dew Point 31°F Wind Calm Barometer 30.21 in.

Report from a personal weather station 3.1 mi. WSW of central Penn
at 7:39 PM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

ThuDec 18

FriDec 19

60%

SatDec 20

SunDec 21

MonDec 22

TueDec 23

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Sharp cooling trend with high temperatures dropping from 54°F to 44°F, falling as low as 35°F. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 41°F and lows around 25°F.

This Date in Weather History

1884 - A three week blockade of snow began at Portland, OR. A record December total of 34 inches was received.

Penn, PA 7 Day Weather Forecast Details

Wednesday Dec 17

Night: Partly cloudy, with a low around 25. Light and variable wind becoming southeast around 5 mph after midnight.

Thursday Dec 18

Day: Mostly sunny, with a high near 54. South wind 6 to 13 mph.

Night: Rain, mainly after 7pm. Low around 34. South wind 14 to 17 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Dec 19

Day: Rain and snow showers likely, becoming all snow after 10am. Mostly cloudy, with a high near 36. Windy, with a west wind 18 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Night: Mostly cloudy, with a low around 19. West wind 7 to 16 mph.

Saturday Dec 20

Day: Partly sunny, with a high near 47.

Night: A chance of rain after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

Sunday Dec 21

Day: Mostly sunny, with a high near 38.

Night: Partly cloudy, with a low around 18.

Monday Dec 22

Day: Mostly sunny, with a high near 35.

Night: A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

Tuesday Dec 23

Day: A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 50%.

Night: A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

Wednesday Dec 24

Day: Partly sunny, with a high near 41.

About Penn, PA

Penn is a borough in Westmoreland County, Pennsylvania, United States. The population was 475 at the time of the 2010 census. The borough was named for Pennsylvania founder William Penn.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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