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

64°F

18°C

Humidity 90%
Wind Speed E 6 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 Jun 11:53 am EDT
Extended Forecast for

Shirleysburg PA

  • This Afternoon

    This Afternoon: A chance of showers, mainly between 2pm and 4pm. Cloudy, with a high near 68. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 4pm. High near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 67. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely, mainly after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly between 2pm and 4pm. Cloudy, with a high near 68. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 4pm. High near 76. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 67. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers likely, mainly after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Thursday Night
Showers likely before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Mostly sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shirleysburg PA
 40.31°N 77.88°W (Elev. 600 ft)
Last Update:
11:52 am EDT Jun 16, 2025
Forecast Valid:
12pm EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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