Armstrong County, PA Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Armstrong County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Armstrong County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 10 of 10 mapped cities in Armstrong County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 12:34 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong County
Saturday looks like the warmest upcoming period in Armstrong County at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Sunday at about 8 to 14 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 12:34 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Partly cloudy, with a low around 56.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Mostly sunny, with a high near 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
82°F |
7 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely
|
62°F |
3 to 7 mph
SW
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
82°F |
5 to 12 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
59°F |
5 to 8 mph
SW
|
|
Friday
Apr 17
|
Chance Showers And Thunderstorms
|
77°F |
8 mph
W
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
56°F |
2 to 6 mph
N
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
84°F |
2 to 10 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
49°F |
9 mph
SW
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
66°F |
8 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain Showers then Partly Cloudy
|
33°F |
7 to 13 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
56°F |
7 to 10 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Armstrong County.
Coverage
Forecast coverage currently spans 10 of 10 mapped cities in Armstrong County.
Largest mapped city population in this region: 6,550.