National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

A Few Clouds

55°F

13°C

Humidity 38%
Wind Speed SW 7 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 10 Mar 3:54 am EDT
Extended Forecast for

Southmont PA

  • Today

    Today: A slight chance of showers after 2pm. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 74. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers then
    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 34. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely before 8am. Mostly cloudy, with a high near 41. Northwest wind 10 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    Likely then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers after 2pm. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tonight
A slight chance of showers between 11pm and 1am. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 74. Southwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 34. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow showers likely before 8am. Mostly cloudy, with a high near 41. Northwest wind 10 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 27.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Sunday Night
Rain and snow showers. Low around 34. Chance of precipitation is 80%.
Monday
Rain and snow showers. High near 42. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Southmont PA
 40.3°N 78.93°W (Elev. 1417 ft)
Last Update:
2:50 am EDT Mar 10, 2026
Forecast Valid:
4am EDT Mar 10, 2026-6pm EDT Mar 16, 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