Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Overcast
55°F
13°C
| Humidity | 57% |
| Wind Speed | S 6 mph |
| Barometer | 29.87 in (1011.5 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 54°F (12°C) |
| Last update | 13 May 6:53 am EDT |
Extended Forecast for
Monessen PA
Today

High: 69 °F
Showers
Tonight
Low: 45 °F
Showers
Likely then
Slight Chance
ShowersThursday

High: 57 °F
Chance
ShowersThursday Night

Low: 42 °F
Mostly Cloudy
Friday

High: 71 °F
Mostly Sunny
Friday Night

Low: 52 °F
Mostly Cloudy
Saturday
High: 83 °F
Mostly Sunny
then Chance
ShowersSaturday Night

Low: 60 °F
Chance
ShowersSunday

High: 88 °F
Mostly Sunny
Detailed Forecast
Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 69. Southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 45. Northwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly between 10am and 5pm. Mostly cloudy, with a high near 57. West wind 8 to 13 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 42. Northwest wind 5 to 9 mph becoming light after midnight.
Friday
Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny and hot, with a high near 94.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny and hot, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Monessen PA
40.16°N 79.88°W (Elev. 801 ft)
40.16°N 79.88°W (Elev. 801 ft)
6:51 am EDT May 13, 2026
7am EDT May 13, 2026-6pm EDT May 19, 2026



