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.

Overcast

55°F

13°C

Humidity 74%
Wind Speed NW 9 G 17 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 15 Oct 12:56 am EDT
Extended Forecast for

Highland Lake NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Northwest wind around 9 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. North wind around 5 mph becoming calm in the morning.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Increasing clouds, with a low around 46. East wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms, mainly before 1pm, then showers and possibly a thunderstorm after 4pm. High near 70. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Low around 38. Northwest wind 11 to 15 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Northwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 61. North wind around 5 mph becoming calm in the morning.
Thursday Night
Showers likely, mainly after 5am. Increasing clouds, with a low around 46. East wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers and thunderstorms, mainly before 1pm, then showers and possibly a thunderstorm after 4pm. High near 70. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Low around 38. Northwest wind 11 to 15 mph. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Highland Lake NY
 41.52°N 74.85°W (Elev. 1339 ft)
Last Update:
12:37 am EDT Oct 15, 2026
Forecast Valid:
1am EDT Oct 15, 2026-6pm EDT Oct 21, 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