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.

Overcast

56°F

13°C

Humidity 97%
Wind Speed S 6 mph
Barometer 30.07 in (1017.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 May 2:54 am EDT
Extended Forecast for

Portage PA

  • Overnight

    Overnight: Showers. Low around 57. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers

  • Memorial Day

    Memorial Day: Showers likely before 10am, then isolated showers after 1pm. Mostly cloudy, with a high near 73. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Showers
    Likely then
    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Partly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Low around 57. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Memorial Day
Showers likely before 10am, then isolated showers after 1pm. Mostly cloudy, with a high near 73. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 57. Calm wind.
Tuesday
A slight chance of showers after 1pm. Partly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 60. Light south wind.
Wednesday
Mostly cloudy, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portage PA
 40.38°N 78.66°W (Elev. 2096 ft)
Last Update:
2:21 am EDT May 25, 2026
Forecast Valid:
3am EDT May 25, 2026-6pm EDT May 31, 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