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

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

50°F

10°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 23 Jul 5:56 am EDT
Extended Forecast for

High Lake PA

  • Today

    Today: Patchy fog before 7am. Otherwise, sunny, with a high near 75. Calm wind becoming northwest around 5 mph.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 79. Calm wind.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny, with a high near 75. Calm wind becoming northwest around 5 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 51. Calm wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 79. Calm wind.
Friday Night
Mostly clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
High Lake PA
 41.81°N 75.29°W (Elev. 1581 ft)
Last Update:
2:30 am EDT Jul 23, 2026
Forecast Valid:
6am EDT Jul 23, 2026-6pm EDT Jul 29, 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