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

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed W 7 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 10 Sep 10:53 am EDT
Extended Forecast for

4 Miles NNE Williamsburg PA

  • Today

    Today: Partly sunny, with a high near 84. West wind 7 to 9 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: Isolated showers between 10pm and 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.

    Low: 61 °F

    Isolated
    Showers then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 59. Calm wind.

    Low: 59 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 84. West wind 7 to 9 mph.
Tonight
Isolated showers between 10pm and 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.
Friday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind.
Friday Night
Increasing clouds, with a low around 59. Calm wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Williamsburg PA
 40.51°N 78.17°W (Elev. 804 ft)
Last Update:
8:06 am EDT Sep 10, 2026
Forecast Valid:
11am EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation