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

Beaver County Airport (KBVI)

Lat: 40.77°NLon: 80.38°WElev: 1266ft.

Fair

49°F

9°C

Humidity 71%
Wind Speed SW 3 mph
Barometer 30.09 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 17 Feb 10:15 am EST
Extended Forecast for

4 Miles SW Portersville PA

  • Today

    Today: Partly sunny, with a high near 52. Light south wind.

    High: 52 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 7am. High near 57. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 52. Light south wind.
Tonight
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 7am. High near 57. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly after 1am. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Monday
A chance of snow. Partly sunny, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Portersville PA
 40.89°N 80.18°W (Elev. 1296 ft)
Last Update:
5:41 am EST Feb 17, 2026
Forecast Valid:
10am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation