Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Mostly Cloudy

81°F

27°C

Humidity 61%
Wind Speed W 9 G 18 mph
Barometer 30.03 in (1015.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 12:54 pm EDT
Extended Forecast for

Portage PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 83. Northwest wind around 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am.  Mostly cloudy, with a low around 59. Northwest wind around 7 mph becoming northeast after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 74. East wind 6 to 8 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 60. Southeast wind around 7 mph.  Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 2pm.  Mostly cloudy, with a high near 71. Southeast wind around 9 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am, then a chance of showers after 2pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 8am.  Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 83. Northwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 59. Northwest wind around 7 mph becoming northeast after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 74. East wind 6 to 8 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Southeast wind around 7 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 71. Southeast wind around 9 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 62.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.36°N 78.66°W (Elev. 2103 ft)
12:11 pm EDT Aug 17, 2025
1pm EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
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