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.

Fair

71°F

22°C

Humidity 44%
Wind Speed SE 15 G 26 mph
Barometer 30.00 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Nov 1:54 pm EST
Extended Forecast for

Portage PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. South wind around 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 59. South wind around 8 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: 59 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 68. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. West wind 3 to 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 1pm. Partly sunny, with a high near 61. West wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.

    High: 48 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. South wind around 11 mph, with gusts as high as 22 mph.
Tonight
Showers, mainly after 11pm. Low around 59. South wind around 8 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 likely, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 68. Southwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 48. West wind 3 to 5 mph.
Friday
A slight chance of showers after 1pm. Partly sunny, with a high near 61. West wind 3 to 8 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.39°N 78.68°W (Elev. 1621 ft)
Last Update:
1:20 pm EST Nov 4, 2026
Forecast Valid:
2pm EST Nov 4, 2026-6pm EST Nov 10, 2026
 
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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