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.

Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 30.21 in (1024.5 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 4 Mar 7:53 am EST
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Today

    Today: A chance of rain. Areas of fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Areas Fog

  • Tonight

    Tonight: Rain, mainly after 10pm. Patchy dense fog. Low around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain Likely
    and Patchy
    Fog then Rain
    and Patchy
    Dense Fog

  • Thursday

    Thursday: Rain. Patchy fog before 8am. High near 60. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Low around 50. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain. Areas of fog before 10am. Otherwise, cloudy, with a high near 48. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 10pm. Patchy dense fog. Low around 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. Patchy fog before 8am. High near 60. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 50. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 51.
Tuesday
A chance of rain. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
7:26 am EST Mar 4, 2026
Forecast Valid:
8am EST Mar 4, 2026-6pm EDT Mar 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