Hazardous Weather Conditions
Current conditions at
Altoona - Blair County Airport (KAOO)
Lat: 40.3°NLon: 78.32°WElev: 1467ft.
Overcast
70°F
21°C
| Humidity | 93% |
| Wind Speed | SW 6 mph |
| Barometer | 29.92 in (1012.1 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 16 Aug 7:53 pm EDT |
Extended Forecast for
4 Miles WNW Williamsburg PA
Flood Watch August 16, 08:54pm until August 16, 10:00pm
NOW until 10:00pm Sun
Flood Watch
Tonight
Low: 70 °F
T-storms then
Chance
Showers and
Patchy FogMonday
High: 83 °F
Patchy Fog
then Chance
T-stormsMonday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 62 °F
Mostly Cloudy
then Chance
T-stormsThursday
High: 78 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Tonight
Showers and thunderstorms, mainly before 1am. Patchy fog after 1am. Low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 60. Light west wind.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 79.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Williamsburg PA
40.5°N 78.29°W (Elev. 1017 ft)
40.5°N 78.29°W (Elev. 1017 ft)
8:35 pm EDT Aug 16, 2026
8pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
