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

73°F

23°C

Humidity 64%
Wind Speed W 9 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 12:54 pm EDT
Extended Forecast for

4 Miles ESE Seward PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. West wind around 9 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Periods of rain and possibly a thunderstorm, mainly before 4pm, then a chance of rain and thunderstorms after 4pm. High near 71. East wind around 5 mph becoming calm. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, mainly before 7pm. Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 56. North wind around 5 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. East wind around 7 mph. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. West wind around 9 mph.
Tonight
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Periods of rain and possibly a thunderstorm, mainly before 4pm, then a chance of rain and thunderstorms after 4pm. High near 71. East wind around 5 mph becoming calm. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of rain and thunderstorms, mainly before 7pm. Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 56. North wind around 5 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. East wind around 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Seward PA
 40.41°N 78.94°W (Elev. 2497 ft)
Last Update:
12:56 pm EDT Aug 19, 2026
Forecast Valid:
1pm EDT Aug 19, 2026-6pm EDT Aug 25, 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