National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

64°F

18°C

Humidity 35%
Wind Speed W 15 G 26 mph
Barometer 30.01 in (1015.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 8 Oct 2:54 pm EDT
Extended Forecast for

Brownstown PA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 42. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Rain likely after 2am. Mostly cloudy, with a low around 54. Southeast wind 9 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Mostly Cloudy
    then Rain
    Likely

  • Sunday

    Sunday: Rain. High near 63. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 8pm, then showers, mainly between 8pm and 2am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Rain

  • Columbus Day

    Columbus Day: A chance of showers before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 42. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 71. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Rain likely after 2am. Mostly cloudy, with a low around 54. Southeast wind 9 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 63. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 8pm, then showers, mainly between 8pm and 2am. Low around 59. Chance of precipitation is 80%.
Columbus Day
A chance of showers before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown PA
 40.34°N 78.95°W (Elev. 1302 ft)
Last Update:
2:21 pm EDT Oct 8, 2026
Forecast Valid:
3pm EDT Oct 8, 2026-6pm EDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation