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.

Fair

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1017.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Nov 11:56 pm EST
Extended Forecast for

Mars PA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Areas Fog

  • Veterans Day

    Veterans Day: Patchy fog before 11am. Otherwise, increasing clouds, with a high near 59. Light and variable wind.

    High: 59 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 1am, then rain likely after 2am. Patchy fog between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain
    Likely

  • Thursday

    Thursday: Rain before 10am, then rain likely after noon. High near 49. Northwest wind 5 to 14 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 4am, then a slight chance of rain and snow. Cloudy, with a low around 31. Northwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly clear, with a low around 35. Calm wind.
Veterans Day
Patchy fog before 11am. Otherwise, increasing clouds, with a high near 59. Light and variable wind.
Wednesday Night
A slight chance of rain before 1am, then rain likely after 2am. Patchy fog between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain before 10am, then rain likely after noon. High near 49. Northwest wind 5 to 14 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 4am, then a slight chance of rain and snow. Cloudy, with a low around 31. Northwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Saturday
A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Mostly cloudy, with a high near 45.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 28.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 47.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 29.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 49.
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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:
12:16 am EST Nov 11, 2026
Forecast Valid:
12am EST Nov 11, 2026-6pm EST Nov 17, 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