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.

A Few Clouds

78°F

26°C

Humidity 74%
Wind Speed SW 6 mph
Barometer 30.11 in (1017.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 30 Jun 9:54 pm EDT
Extended Forecast for

2 Miles SE New Florence PA

Heat Advisory June 30, 10:35pm until July 3, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 30, 10:35pm until July 3, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Tonight

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. West wind 6 to 8 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. West wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming west 5 to 8 mph in the morning.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 92. West wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 72. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 93.
Friday Night
Partly cloudy, with a low around 71.
Independence Day
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE New Florence PA
 40.35°N 79.04°W (Elev. 1880 ft)
Last Update:
8:36 pm EDT Jun 30, 2026
Forecast Valid:
10pm EDT Jun 30, 2026-6pm EDT Jul 7, 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