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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

61°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.96 in (1013.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 3:53 am EDT
Extended Forecast for

Williamsburg PA

  • Today

    Today: A slight chance of showers between 8am and 9am. Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 62. West wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 78. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers between 8am and 9am. Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 62. West wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 78. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 55.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Sunday Night
A chance of rain showers, mixing with snow after 11pm, then gradually ending. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.48°N 78.23°W (Elev. 942 ft)
Last Update:
2:21 am EDT Apr 15, 2026
Forecast Valid:
4am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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