Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed S 6 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Last update 16 Oct 12:54 am EDT
Extended Forecast for

Saint Michael-Sidman PA

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 4am.  Mostly cloudy, with a low around 56. South wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 74. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Mostly Sunny
    then Showers
    and Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 38. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 47. North wind around 15 mph, with gusts as high as 26 mph.

    High: 47 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 11pm.  Otherwise, clear, with a low around 31. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 31 °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: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Monday

    Monday: Areas of frost before 8am.  Otherwise, sunny, with a high near 62.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 56. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 74. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. Northwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. 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 47. North wind around 15 mph, with gusts as high as 26 mph.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 56.
Sunday Night
Clear, with a low around 35.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Michael-Sidman PA
 40.33°N 78.78°W (Elev. 1798 ft)
8:06 pm EDT Oct 15, 2026
1am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
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