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

38°F

3°C

Humidity 83%
Wind Speed W 6 mph
Barometer 30.05 in (1019.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Nov 9:54 pm EST
Extended Forecast for

Cassandra PA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 33 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 58. Southwest wind 3 to 6 mph.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain showers likely before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain and snow showers likely, mainly before 1pm. Cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. West wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 37. West wind 5 to 9 mph, with gusts as high as 22 mph.
Veterans Day
Partly sunny, with a high near 58. Southwest wind 3 to 6 mph.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.
Thursday
Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain showers likely before 1am, then rain and snow showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
Rain and snow showers likely, mainly before 1pm. Cloudy, with a high near 37. Chance of precipitation is 60%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.62°W (Elev. 2211 ft)
Last Update:
7:06 pm EST Nov 9, 2026
Forecast Valid:
10pm EST Nov 9, 2026-6pm EST Nov 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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