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

62°F

17°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 29.98 in (1014.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 4:54 am EDT
Extended Forecast for

3 Miles SE Portage PA

  • Today

    Today: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Partly sunny, with a high near 78. West wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 63. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 77. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 58. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 70. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Partly sunny, with a high near 78. West wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 63. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 77. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 58. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 70. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 44. Breezy.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Portage PA
 40.36°N 78.63°W (Elev. 2326 ft)
Last Update:
2:21 am EDT Apr 15, 2026
Forecast Valid:
5am EDT Apr 15, 2026-6pm EDT Apr 21, 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