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

45°F

7°C

Humidity 74%
Wind Speed NW 9 mph
Barometer 30.11 in (1021.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Mar 10:54 pm EDT
Extended Forecast for

Cassandra PA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 58. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 59. Northwest wind 6 to 8 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Light southwest wind.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: Mostly cloudy, with a high near 45. Breezy.

    High: 45 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind.
Friday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 58. South wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 59. Northwest wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 43. Light southwest wind.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 45. Breezy.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
A chance of showers. Partly sunny, with a high near 61. 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:
8:06 pm EDT Mar 19, 2026
Forecast Valid:
11pm EDT Mar 19, 2026-6pm EDT Mar 26, 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