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

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Rain

58°F

14°C

Humidity 67%
Wind Speed SW 9 G 22 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 5 May 6:54 am EDT
Extended Forecast for

Cassandra PA

  • Today

    Today: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of thunderstorms after 5pm. Partly sunny, with a high near 73. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 56. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 62. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Northwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 56. West wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a slight chance of thunderstorms after 5pm. Partly sunny, with a high near 73. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 56. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 62. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 43. Northwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Partly sunny, with a high near 56. West wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 58.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A chance of showers. Mostly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
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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:
5:26 am EDT May 5, 2026
Forecast Valid:
7am EDT May 5, 2026-6pm EDT May 11, 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