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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.53 in (1035.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 18 Oct 5:53 am EDT
Extended Forecast for

Williamsburg PA

Freeze Warning October 18, 06:02am until October 18, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning October 18, 06:02am until October 18, 09:00am

    NOW until 9:00am Sun

    Freeze Warning

  • Today

    High: 61 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 31. Calm wind.

    Low: 31 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.

    High: 66 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Today
Widespread frost before 9am. Otherwise, sunny, with a high near 61. Calm wind.
Tonight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 31. Calm wind.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.
Monday Night
Mostly clear, with a low around 36. Calm wind.
Tuesday
Patchy frost before 9am. Otherwise, sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg PA
 40.47°N 78.2°W (Elev. 994 ft)
Last Update:
2:22 am EDT Oct 18, 2026
Forecast Valid:
6am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation