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.

Partly Cloudy

70°F

21°C

Humidity 87%
Wind Speed E 3 mph
Barometer 30.27 in (1024.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Sep 8:56 am EDT
Extended Forecast for

Lexington NY

  • Today

    Today: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Light south wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Low around 58. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Northwest wind 7 to 9 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Slight Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers. High near 60. Chance of precipitation is 100%.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 73. Light south wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Low around 58. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 70. Northwest wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 43. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 66. Calm wind.
Saturday Night
Showers, mainly after 2am. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 60. Chance of precipitation is 100%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington NY
 42.22°N 74.38°W (Elev. 1775 ft)
Last Update:
8:37 am EDT Sep 17, 2026
Forecast Valid:
9am EDT Sep 17, 2026-6pm EDT Sep 23, 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