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Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Fair
58°F
14°C
| Humidity | 65% |
| Wind Speed | S 6 mph |
| Barometer | 29.81 in (1008.6 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jun 1:54 am EDT |
Extended Forecast for
Twin Rocks PA
Overnight
Low: 54 °F
Scattered
ShowersWednesday
High: 74 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Mostly Cloudy
then ShowersThursday
High: 78 °F
Showers and
BreezyThursday Night
Low: 58 °F
Mostly Cloudy
Juneteenth
High: 71 °F
Slight Chance
Showers then
Slight Chance
T-stormsFriday Night
Low: 54 °F
Partly Cloudy
Saturday
High: 70 °F
Mostly Sunny
Saturday Night
Low: 54 °F
Mostly Clear
Detailed Forecast
Overnight
Scattered showers, mainly between 3am and 4am. Mostly cloudy, with a low around 54. South wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly sunny, with a high near 74. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 63. South wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. High near 78. Breezy, with a west wind 16 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 58. West wind 7 to 15 mph, with gusts as high as 28 mph.
Juneteenth
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 54.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Twin Rocks PA
40.53°N 78.84°W (Elev. 1900 ft)
40.53°N 78.84°W (Elev. 1900 ft)
10:01 pm EDT Jun 16, 2026
2am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
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