Armstrong County, PA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Armstrong County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 97. Heat index values as high as 105. West wind 3 to 9 mph.
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
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:29 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong County
Wednesday looks like the warmest upcoming period in Armstrong County at 97 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 6 to 10 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 3:29 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
Partly cloudy, with a low around 69. Northwest wind 0 to 9 mph.
Mostly sunny, with a high near 94.
Mostly clear, with a low around 65.
Mostly sunny, with a high near 92.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny
|
97°F |
3 to 9 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
69°F |
0 to 9 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
94°F |
0 to 9 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
65°F |
0 to 8 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
92°F |
0 to 5 mph
W
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
66°F |
1 to 5 mph
NE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
87°F |
1 to 7 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
67°F |
6 mph
SW
|
|
Sunday
Jul 19
|
Rain Showers Likely
|
86°F |
6 to 10 mph
W
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms Likely
|
64°F |
5 to 8 mph
W
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
84°F |
5 to 9 mph
SW
|
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.
