National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

A Few Clouds

64°F

18°C

Humidity 60%
Wind Speed SW 12 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Nov 7:53 pm EST
Extended Forecast for

Defiance PA

  • Tonight

    Tonight: Rain, mainly after midnight. Low around 60. South wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance Rain
    then Rain

  • Thursday

    Thursday: Showers, mainly before 9am. High near 73. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Light and variable wind. Chance of precipitation is 20%.

    High: 65 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Light northwest wind.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly after midnight. Low around 60. South wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, mainly before 9am. High near 73. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 48. Calm wind.
Friday
A slight chance of showers after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 65. Light and variable wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 40. Light northwest wind.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 35.
Veterans Day
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Defiance PA
 40.15°N 78.26°W (Elev. 1391 ft)
Last Update:
7:56 pm EST Nov 4, 2026
Forecast Valid:
8pm EST Nov 4, 2026-6pm EST Nov 11, 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