Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Overcast
55°F
13°C
| Humidity | 77% |
| Wind Speed | W 7 mph |
| Barometer | 30.15 in (1021.2 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 1 Apr 3:56 pm EDT |
Extended Forecast for
Tennanah Lake NY
This Afternoon

High: 51 °F
Chance
ShowersTonight

Low: 38 °F
Showers
Thursday

High: 39 °F
Chance
ShowersThursday Night

Low: 36 °F
Chance
ShowersFriday

High: 65 °F
Mostly Cloudy
Friday Night

Low: 52 °F
Slight Chance
ShowersSaturday
High: 68 °F
Partly Sunny
then Chance
ShowersSaturday Night

Low: 50 °F
Showers
LikelySunday

High: 58 °F
Showers
Detailed Forecast
This Afternoon
A chance of showers. Mostly cloudy, with a steady temperature around 51. North wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers. Low around 38. North wind around 8 mph becoming east after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers, mainly between noon and 3pm. Mostly cloudy, with a high near 39. East wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 36. Southeast wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 65. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
Showers. High near 58. Chance of precipitation is 80%.
Sunday Night
Showers likely before 8pm. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Partly sunny, with a high near 38.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tennanah Lake NY
41.88°N 74.95°W (Elev. 2280 ft)
41.88°N 74.95°W (Elev. 2280 ft)
3:23 pm EDT Apr 1, 2026
4pm EDT Apr 1, 2026-6pm EDT Apr 7, 2026


