National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

62°F

17°C

Humidity 93%
Wind Speed S 9 G 20 mph
Barometer 29.70 in (1005.8 mb)
Dewpoint 60°F (16°C)
Visibility 8.00 mi
Last update 29 Apr 1:53 pm EDT
Extended Forecast for

Cheswick PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 62. South wind 6 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 43. Northwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before 11am, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 56. Northwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 55. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 8pm. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely then
    Patchy Frost

  • Saturday

    Saturday: Patchy frost before 7am. Otherwise, partly sunny, with a high near 55.

    High: 55 °F

    Patchy Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 62. South wind 6 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 43. Northwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 11am, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 56. Northwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 55. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely before 8pm. Patchy frost after 4am. Otherwise, mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Monday
Showers likely. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.55°N 79.79°W (Elev. 1066 ft)
Last Update:
12:51 pm EDT Apr 29, 2026
Forecast Valid:
1pm EDT Apr 29, 2026-6pm EDT May 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation