Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Mostly Cloudy
73°F
23°C
| Humidity | 48% |
| Wind Speed | W 14 G 26 mph |
| Barometer | 29.95 in (1013.8 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 12:53 pm EDT |
Extended Forecast for
Grindstone PA
This Afternoon
High: 76 °F
Slight Chance
T-stormsTonight
Low: 56 °F
Chance
T-storms then
Mostly ClearSunday
High: 79 °F
Mostly Sunny
Sunday Night
Low: 61 °F
Mostly Cloudy
then ShowersMonday
High: 77 °F
Showers
Monday Night
Low: 57 °F
Chance
ShowersTuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 54 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly clear, with a low around 56. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
Showers and possibly a thunderstorm, mainly after 2am. Low around 61. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 77. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grindstone PA
40.03°N 79.87°W (Elev. 1037 ft)
40.03°N 79.87°W (Elev. 1037 ft)
1:11 pm EDT Jun 20, 2026
1pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
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