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.

Overcast

49°F

9°C

Humidity 64%
Wind Speed NW 18 G 31 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 9 Nov 9:53 am EST
Extended Forecast for

Defiance PA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 14 to 18 mph, with gusts as high as 37 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain. High near 56. Chance of precipitation is 90%.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 57. Northwest wind 14 to 18 mph, with gusts as high as 37 mph.
Tonight
Increasing clouds, with a low around 37. Northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 65. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Veterans Day
Mostly sunny, with a high near 64. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Rain. High near 56. Chance of precipitation is 90%.
Thursday Night
Showers likely. Cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Defiance PA
 40.17°N 78.23°W (Elev. 1135 ft)
Last Update:
7:21 am EST Nov 9, 2026
Forecast Valid:
10am EST Nov 9, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation