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

Heavy Rainfall in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday; and will begin to impact the central Plains today. Dry and gusty conditions will promote elevated to critical fire weather conditions in the Southeast. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

43°F

6°C

Humidity 31%
Wind Speed S 14 G 20 mph
Barometer 30.45 in (1033.3 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 8 Apr 12:54 pm EDT
Extended Forecast for

Johnstown PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. Southeast wind around 9 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. Southeast wind 5 to 8 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. South wind around 6 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. South wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 72. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 72 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. Southeast wind around 9 mph.
Tonight
Mostly clear, with a low around 33. Southeast wind 5 to 8 mph.
Thursday
Sunny, with a high near 67. South wind around 6 mph.
Thursday Night
Mostly clear, with a low around 45. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 72. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnstown PA
 40.32°N 78.93°W (Elev. 1670 ft)
Last Update:
9:32 am EDT Apr 8, 2026
Forecast Valid:
1pm EDT Apr 8, 2026-6pm EDT Apr 14, 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