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

63°F

17°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1015.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 12:56 am EDT
Extended Forecast for

Harvard NY

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Patchy fog after 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, sunny, with a high near 78. Calm wind.

    High: 78 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Thursday
Showers likely, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers before 8pm. Patchy fog after 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 78. Calm wind.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 56. Calm wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 75. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm. Low around 52. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harvard NY
 42.03°N 75.1°W (Elev. 1837 ft)
Last Update:
1:16 am EDT Aug 20, 2026
Forecast Valid:
1am EDT Aug 20, 2026-6pm EDT Aug 26, 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