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

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Mostly Cloudy

51°F

11°C

Humidity 28%
Wind Speed S 8 mph
Barometer 30.14 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 25 Mar 1:54 pm EDT
Extended Forecast for

Portage PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. South wind around 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers. Partly sunny, with a high near 67. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 45. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 49. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 46. South wind around 8 mph, with gusts as high as 20 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 67. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 45. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers, mainly before 8am. High near 49. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.38°N 78.66°W (Elev. 2096 ft)
Last Update:
2:21 pm EDT Mar 25, 2026
Forecast Valid:
2pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation