Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Partly Cloudy
71°F
22°C
| Humidity | 47% |
| Wind Speed | W 8 mph |
| Barometer | 29.96 in (1014.1 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 11:53 am EDT |
Extended Forecast for
Grindstone PA
This Afternoon

High: 76 °F
Chance
T-stormsTonight
Low: 55 °F
Slight 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 chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 76. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly clear, with a low around 55. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
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
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Grindstone PA
40.03°N 79.87°W (Elev. 1037 ft)
40.03°N 79.87°W (Elev. 1037 ft)
12:06 pm EDT Jun 20, 2026
12pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026


