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.

A Few Clouds

76°F

24°C

Humidity 58%
Wind Speed NW 9 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 3:56 pm EDT
Extended Forecast for

Tallmanville PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Northwest wind around 8 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind around 6 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Light northwest wind.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. South wind around 7 mph becoming west in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 49. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 73. Light northwest wind.
Saturday Night
Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Sunday
Partly sunny, with a high near 77. South wind around 7 mph becoming west in the afternoon.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tallmanville PA
 41.87°N 75.4°W (Elev. 1781 ft)
Last Update:
2:30 pm EDT Aug 28, 2026
Forecast Valid:
4pm EDT Aug 28, 2026-6pm EDT Sep 3, 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