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.

Partly Cloudy

73°F

23°C

Humidity 74%
Wind Speed NW 6 mph
Barometer 30.05 in (1016.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Aug 12:54 pm EDT
Extended Forecast for

4 Miles E Seward PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 77. West wind around 8 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 4am, then a chance of showers between 4am and 5am. Cloudy, then gradually becoming partly cloudy, with a low around 61. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 77. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 78. Chance of precipitation is 90%.

    High: 78 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms then
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 77. West wind around 8 mph.
Tonight
Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 4am, then a chance of showers between 4am and 5am. Cloudy, then gradually becoming partly cloudy, with a low around 61. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 77. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 78. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Low around 66. Chance of precipitation is 80%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Monday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Seward PA
 40.41°N 78.94°W (Elev. 2497 ft)
Last Update:
12:56 pm EDT Aug 13, 2026
Forecast Valid:
1pm EDT Aug 13, 2026-6pm EDT Aug 19, 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