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

44°F

7°C

Humidity 49%
Wind Speed SW 7 mph
Barometer 29.98 in (1015.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Mar 2:54 am EDT
Extended Forecast for

Cassandra PA

  • Overnight

    Overnight: Clear, with a low around 43. Southwest wind around 5 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50. Southwest wind around 5 mph.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 58. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Low around 34. Chance of precipitation is 90%.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely before 8am, then a chance of snow showers between 8am and 2pm. Partly sunny, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Thursday Night

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

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 43. Southwest wind around 5 mph.
Monday
Sunny, with a high near 64. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 50. Southwest wind around 5 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 58. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Low around 34. Chance of precipitation is 90%.
Thursday
Rain and snow showers likely before 8am, then a chance of snow showers between 8am and 2pm. Partly sunny, with a high near 40. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 28.
Friday
A chance of snow showers before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 50. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 45.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cassandra PA
 40.4°N 78.65°W (Elev. 1699 ft)
Last Update:
3:19 am EDT Mar 9, 2026
Forecast Valid:
3am EDT Mar 9, 2026-6pm EDT Mar 15, 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