Hazardous Weather Conditions
Current conditions at
Altoona - Blair County Airport (KAOO)
Lat: 40.3°NLon: 78.32°WElev: 1467ft.
Fog/Mist
59°F
15°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 29.99 in (1014.7 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 6.00 mi |
| Last update | 27 Aug 5:53 am EDT |
Extended Forecast for
Defiance PA
Today
High: 84 °F
Mostly Sunny
then Severe
ThunderstormsTonight
Low: 62 °F
Severe
Thunderstorms
and Patchy
FogFriday
High: 82 °F
Patchy Fog
then Partly
SunnyFriday Night

Low: 61 °F
Partly Cloudy
Saturday

High: 82 °F
Sunny
Saturday Night

Low: 64 °F
Partly Cloudy
Sunday

High: 85 °F
Mostly Sunny
Sunday Night

Low: 68 °F
Partly Cloudy
Monday

High: 86 °F
Partly Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could be severe. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Calm wind.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 82. Calm wind.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Defiance PA
40.17°N 78.23°W (Elev. 1135 ft)
40.17°N 78.23°W (Elev. 1135 ft)
3:11 am EDT Aug 27, 2026
6am EDT Aug 27, 2026-6pm EDT Sep 2, 2026



