Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Overcast
54°F
12°C
| Humidity | 97% |
| Wind Speed | S 10 mph |
| Barometer | 30.10 in (1019.5 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 15 Oct 5:54 pm EDT |
Extended Forecast for
Brownstown PA
Tonight
Low: 57 °F
Slight Chance
T-storms then
Showers
LikelyFriday
High: 75 °F
Mostly Sunny
then ShowersFriday Night
Low: 37 °F
Showers
LikelySaturday
High: 49 °F
Becoming
SunnySaturday Night
Low: 30 °F
Frost
Sunday
High: 59 °F
Frost then
SunnySunday Night
Low: 34 °F
Clear then
Areas FrostMonday
High: 64 °F
Areas Frost
then SunnyMonday Night
Low: 38 °F
Mostly Clear
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 57. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 75. South wind 9 to 17 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 49. North wind around 11 mph, with gusts as high as 23 mph.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 30. Light northwest wind.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Areas of frost after 5am. Otherwise, clear, with a low around 34.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 65.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Brownstown PA
40.34°N 78.92°W (Elev. 1388 ft)
40.34°N 78.92°W (Elev. 1388 ft)
2:21 pm EDT Oct 15, 2026
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
