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Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

46°F

8°C

Humidity 96%
Wind Speed W 13 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill40°F (4°C)
Last update 30 Apr 1:54 am EDT
Extended Forecast for

2 Miles N Brownstown PA

Frost Advisory May 1, 12:00am until May 1, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Light northwest wind.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 55. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 36. Northwest wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Frost

  • Friday

    Friday: Showers likely, mainly after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 55. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 8am. Patchy frost between 7am and 8am. Otherwise, mostly cloudy, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Areas of frost after 1am. Otherwise, partly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 42. Chance of precipitation is 30%.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Light northwest wind.
Thursday
A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 55. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 36. Northwest wind around 6 mph becoming calm in the evening.
Friday
Showers likely, mainly after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 55. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers after 8am. Patchy frost between 7am and 8am. Otherwise, mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Areas of frost after 1am. Otherwise, partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
A chance of showers after 2am. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Monday
Showers likely, mainly after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Brownstown PA
 40.37°N 78.95°W (Elev. 1198 ft)
Last Update:
2:06 am EDT Apr 30, 2026
Forecast Valid:
2am EDT Apr 30, 2026-6pm EDT May 6, 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