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.

Fair

36°F

2°C

Humidity 89%
Wind Speed SW 7 mph
Barometer 29.92 in (1014.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 1 May 5:54 am EDT
Extended Forecast for

2 Miles N Brownstown PA

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

    NOW until 8:00am Fri

    Frost Advisory

  • Today

    High: 60 °F

    Areas Frost
    then Rain

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 9pm, then a slight chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Rain Likely
    then Mostly
    Cloudy

  • Saturday

    Saturday: Scattered showers after noon. Partly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 56 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33. Light northwest wind.

    Low: 33 °F

    Mostly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 58 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Today
Rain, with thunderstorms also possible after 5pm. Areas of frost before 8am. High near 60. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely and possibly a thunderstorm before 9pm, then a slight chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Scattered showers after noon. Partly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33. Light northwest wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 42.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Wednesday
Showers. High near 70. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
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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:
4:38 am EDT May 1, 2026
Forecast Valid:
6am EDT May 1, 2026-6pm EDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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