Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Overcast
69°F
21°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.15 in (1019.9 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 6 Aug 4:56 am EDT |
Extended Forecast for
Grahamsville NY
Overnight

Low: 66 °F
Chance
ShowersThursday
High: 86 °F
Mostly Cloudy
then Showers
LikelyThursday Night
Low: 68 °F
Showers
Likely then
Slight Chance
Showers and
Patchy FogFriday
High: 85 °F
Patchy Fog
then Showers
LikelyFriday Night

Low: 66 °F
Showers
Likely and
Patchy FogSaturday
High: 84 °F
Partly Sunny
then Chance
T-stormsSaturday Night
Low: 66 °F
Chance
T-storms then
Partly CloudySunday

High: 83 °F
Sunny
Sunday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
Overnight
A chance of showers. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Patchy fog between 3am and 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 68. Light west wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 63.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grahamsville NY
41.84°N 74.55°W (Elev. 1115 ft)
41.84°N 74.55°W (Elev. 1115 ft)
2:30 am EDT Aug 6, 2026
5am EDT Aug 6, 2026-6pm EDT Aug 12, 2026



