Hazardous Weather Conditions
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Mostly Cloudy
61°F
16°C
| Humidity | 78% |
| Wind Speed | S 7 mph |
| Barometer | 30.06 in (1017.2 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 22 Aug 7:54 am EDT |
Extended Forecast for
Westmont PA
Today
High: 77 °F
Patchy Dense
Fog then
Showers
LikelyTonight

Low: 59 °F
Showers
Sunday
High: 70 °F
Chance
Showers then
T-storms
LikelySunday Night
Low: 54 °F
T-storms
Likely then
Chance
ShowersMonday

High: 68 °F
Mostly Sunny
Monday Night

Low: 52 °F
Partly Cloudy
Tuesday

High: 72 °F
Mostly Sunny
Tuesday Night

Low: 54 °F
Mostly Clear
Wednesday

High: 78 °F
Mostly Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 59. Light and variable wind becoming southwest around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely, mainly between 4pm and 5pm. Partly sunny, with a high near 70. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 54. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 68. West wind 6 to 13 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Westmont PA
40.32°N 78.96°W (Elev. 1729 ft)
40.32°N 78.96°W (Elev. 1729 ft)
8:06 am EDT Aug 22, 2026
8am EDT Aug 22, 2026-6pm EDT Aug 28, 2026



