Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

58°F

14°C

Humidity 75%
Wind Speed S 8 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Oct 11:54 am EDT
Extended Forecast for

2 Miles SSW Twin Rocks PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. Southeast wind around 8 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain and thunderstorms likely, mainly before 4am.  Mostly cloudy, with a low around 56. Southeast wind 9 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Slight Chance
    T-storms then
    Rain Likely

  • Friday

    Friday: Rain and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 72. Southwest wind 15 to 17 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm.  Mostly cloudy, with a low around 39. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 47. North wind 11 to 14 mph, with gusts as high as 30 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after midnight.  Otherwise, clear, with a low around 32.

    Low: 32 °F

    Frost

  • Sunday

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

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. Southeast wind around 8 mph.
Tonight
Rain and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 56. Southeast wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 72. Southwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 39. Northwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 47. North wind 11 to 14 mph, with gusts as high as 30 mph.
Saturday Night
Widespread frost, mainly after midnight. Otherwise, clear, with a low around 32.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Twin Rocks PA
 40.49°N 78.87°W (Elev. 1598 ft)
8:06 am EDT Oct 15, 2026
12pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

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