Current conditions at
Altoona - Blair County Airport (KAOO)
Lat: 40.3°NLon: 78.32°WElev: 1467ft.
Partly Cloudy
58°F
14°C
| Humidity | 93% |
| Wind Speed | E 7 mph |
| Barometer | 30.17 in (1021.5 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 9:53 am EDT |
Extended Forecast for
4 Miles NNE Williamsburg PA
Today
High: 80 °F
Dense Fog
then SunnyTonight
Low: 58 °F
Patchy Fog
Saturday
High: 79 °F
Showers
Likely and
Patchy FogSaturday Night
Low: 62 °F
Showers and
Patchy FogSunday
High: 78 °F
Slight Chance
Showers then
Slight Chance
T-stormsSunday Night
Low: 57 °F
Mostly Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 78 °F
Sunny
Detailed Forecast
Today
Widespread dense fog before 11am. Otherwise, sunny, with a high near 80. Calm wind.
Tonight
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, partly cloudy, with a low around 58. Calm wind.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Patchy fog after 11pm. Low around 62. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 78. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NNE Williamsburg PA
40.51°N 78.17°W (Elev. 804 ft)
40.51°N 78.17°W (Elev. 804 ft)
8:06 am EDT Aug 21, 2026
10am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
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