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

41°F

5°C

Humidity 79%
Wind Speed W 6 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Oct 3:56 am EDT
Extended Forecast for

Lava NY

  • Today

    Today: Areas of frost before 9am. Otherwise, sunny, with a high near 58. Northwest wind 6 to 9 mph.

    High: 58 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Patchy frost after 2am. Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Patchy frost before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. South wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming west 5 to 9 mph in the morning.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

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

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, sunny, with a high near 58. Northwest wind 6 to 9 mph.
Tonight
Patchy fog after 2am. Patchy frost after 2am. Otherwise, clear, with a low around 36. Calm wind.
Wednesday
Patchy fog before 8am. Patchy frost before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 70. Calm wind becoming west 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Patchy frost. Otherwise, mostly sunny, with a high near 69.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Columbus Day
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lava NY
 41.6°N 75.01°W (Elev. 1001 ft)
Last Update:
2:30 am EDT Oct 6, 2026
Forecast Valid:
4am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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