Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Thunderstorm in Vicinity Fog/Mist
68°F
20°C
| Humidity | 96% |
| Wind Speed | S 8 mph |
| Barometer | 30.08 in (1018.3 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 5.00 mi |
| Last update | 8 Aug 6:53 am EDT |
Extended Forecast for
Monessen PA
Today
High: 86 °F
Chance
T-storms then
Slight Chance
T-stormsTonight
Low: 67 °F
Chance
T-storms then
Showers
LikelySunday
High: 86 °F
Decreasing
CloudsSunday Night
Low: 66 °F
Partly Cloudy
Monday
High: 88 °F
Slight Chance
T-storms then
Showers
LikelyMonday Night
Low: 68 °F
Showers
LikelyTuesday
High: 85 °F
Showers
Likely then
ShowersTuesday Night
Low: 66 °F
Showers
Wednesday
High: 83 °F
Showers
Detailed Forecast
Today
A chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 86. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Increasing clouds, with a low around 67. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming west around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 66. Light south wind.
Monday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Southwest wind 6 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 80%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 64. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Monessen PA
40.16°N 79.88°W (Elev. 801 ft)
40.16°N 79.88°W (Elev. 801 ft)
6:31 am EDT Aug 8, 2026
7am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
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