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

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Partly Cloudy

76°F

24°C

Humidity 40%
Wind Speed S 6 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Nov 2:56 pm EST
Extended Forecast for

Mars PA

  • This Afternoon

    This Afternoon: A slight chance of rain before 4pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 78. South wind around 8 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm, then rain after 3am. Low around 60. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind 8 to 13 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 61. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 61 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain before 4pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 78. South wind around 8 mph. Chance of precipitation is 20%.
Tonight
Rain likely and possibly a thunderstorm, then rain after 3am. Low around 60. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind 8 to 13 mph.
Thursday Night
Partly cloudy, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 61. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mars PA
 40.7°N 80°W (Elev. 1096 ft)
Last Update:
3:21 pm EST Nov 4, 2026
Forecast Valid:
3pm EST Nov 4, 2026-6pm EST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation