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...

ABOUT THIS FORECAST

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