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

40°F

4°C

Humidity 38%
Wind Speed SW 7 mph
Barometer 30.28 in (1027.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 24 Mar 2:54 pm EDT
Extended Forecast for

Cassandra PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. Southwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 42. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 42 °F

    Showers

  • Friday

    Friday: A chance of showers before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Light and variable wind.
Wednesday
Mostly cloudy, with a high near 56. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 46. South wind around 6 mph.
Thursday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. Southwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 42. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
A chance of showers before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.65°W (Elev. 1699 ft)
Last Update:
2:20 pm EDT Mar 24, 2026
Forecast Valid:
3pm EDT Mar 24, 2026-6pm EDT Mar 31, 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