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.

Fair

49°F

9°C

Humidity 71%
Wind Speed SW 3 mph
Barometer 30.01 in (1016.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 12 May 11:54 pm EDT
Extended Forecast for

Westmont PA

  • Overnight

    Overnight: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. South wind 5 to 10 mph becoming southwest in the morning.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 68. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 8am. Mostly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. Calm wind.
Monday
Sunny, with a high near 76. South wind 5 to 10 mph becoming southwest in the morning.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 68. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Thursday
A chance of showers after 8am. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Westmont PA
 40.32°N 78.96°W (Elev. 1729 ft)
Last Update:
11:08 pm EDT May 12, 2024
Forecast Valid:
12am EDT May 13, 2024-6pm EDT May 19, 2024
 
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