What is today's weather forecast for Armstrong County, PA?

Today's forecast for Armstrong County shows a high of 58 degrees and a low of 38 degrees Fahrenheit. A chance of showers and thunderstorms, mainly after 4pm.

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

The 7-day forecast for Armstrong County shows highs from 42 to 58 degrees and lows from 26 to 40 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Armstrong County, PA this week?

Yes, rain is possible in Armstrong County this week. Precipitation chances: Saturday (70% chance), Sunday (40% chance), Tuesday (40% chance), Wednesday (30% chance), Thursday (70% chance), Friday (70% chance).

How accurate is the Armstrong County weather forecast?

WeatherForYou provides highly accurate Armstrong County 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.

Armstrong County, PA Weather Forecast and Current Conditions

WEATHER ALERTS - Hazardous Weather Outlook

Current Conditions From Nearby Local Station

Switch to Metric Units

42°F
Feels Like 42°F

Humidity 86% Dew Point 38°F Wind Calm Barometer 29.86 in.758.4 mm

Solar Rad 30 w/m²

Report from a personal weather station 4.8 miles W of central Armstrong County
at 8:36 AM Sat, Nov 15, 2025

Point Forecast at a Glance

SatNov 15

30%

SunNov 16

40%

MonNov 17

TueNov 18

40%

WedNov 19

ThuNov 20

40%

FriNov 21

70%

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 42°F to 58°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 51°F and lows around 32°F.

This Date in Weather History

1988 - Thunderstorms produced severe weather from Oklahoma and northeastern Texas to northern Indiana and southern Wisconsin from mid morning through the pre-dawn hours of the following day. Thunderstorms spawned forty-four tornadoes, including thirteen in Missouri, and there were more than two hundred reports of large hail or damaging winds. A tornado in central Arkansas hit Scott and Lonoke killing five people, injuring sixty others, and causing fifteen million dollars damage.

Armstrong County, PA 7 Day Weather Forecast Details

Saturday Nov 15

Day: A chance of showers and thunderstorms, mainly after 4pm. Cloudy, with a high near 58. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Night: Rain and thunderstorms likely before 3am, then a slight chance of rain between 3am and 4am. Cloudy, with a low around 38. Southwest wind 11 to 14 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Nov 16

Day: A chance of rain before 4pm, then a chance of snow. Partly sunny, with a high near 45. West wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Night: A chance of snow. Mostly cloudy, with a low around 30. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Monday Nov 17

Day: Partly sunny, with a high near 42. West wind 11 to 15 mph, with gusts as high as 25 mph.

Night: Partly cloudy, with a low around 26.

Tuesday Nov 18

Day: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.

Night: A chance of rain. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 29. Chance of precipitation is 40%.

Wednesday Nov 19

Day: Partly sunny, with a high near 50.

Night: A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

Thursday Nov 20

Day: A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.

Night: Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

Friday Nov 21

Day: Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

About Armstrong County, PA

Armstrong County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 65,558. The county seat is Kittanning. The county was organized on March 12, 1800, from parts of Allegheny, Westmoreland and Lycoming Counties. It was named in honor of John Armstrong, who represented Pennsylvania in the Continental Congress and served as a major general during the Revolutionary War. The county is part of the Greater Pittsburgh region of the commonwealth.

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

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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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