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

68°F

20°C

Humidity 81%
Wind Speed SW 14 mph
Barometer 29.89 in (1011.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Oct 6:54 am EDT
Extended Forecast for

Westmont PA

  • Today

    Today: Showers and thunderstorms, mainly before 4pm. High near 73. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Slight Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 2am. Mostly cloudy, with a low around 37. West wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 48. North wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 48 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. Light south wind.

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. High near 73. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly between 11pm and 2am. Mostly cloudy, with a low around 37. West wind 9 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 48. North wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. Light south wind.
Sunday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 33.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westmont PA
 40.32°N 78.96°W (Elev. 1729 ft)
Last Update:
7:33 am EDT Oct 16, 2026
Forecast Valid:
7am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation