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

70°F

21°C

Humidity 87%
Wind Speed Vrbl 5 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Sep 8:53 am EDT
Extended Forecast for

Martinsburg PA

  • Today

    Today: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 77. North wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Northeast wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Northeast wind around 7 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 51. Light northeast wind.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Labor Day

    Labor Day: Areas of fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.

    High: 76 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Mostly cloudy, with a high near 77. North wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 54. Northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 75. Northeast wind around 7 mph.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 51. Light northeast wind.
Labor Day
Areas of fog before 9am. Otherwise, sunny, with a high near 76. Calm wind.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 52.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Martinsburg PA
 40.31°N 78.32°W (Elev. 1407 ft)
Last Update:
8:05 am EDT Sep 5, 2026
Forecast Valid:
9am EDT Sep 5, 2026-6pm EDT Sep 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