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Sullivan, NY Weather Tomorrow

Planning ahead? View tomorrow's Sullivan weather along with a complete 5 day forecast that includes precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Sullivan area and around Madison county, New York.
Updated: Mon Nov 2nd 2026 9:15 PM EST
Sullivan, NY Weather – 11-2 – Overcast
68° / 43°
Overcast
In Sullivan, it will be overcast with highs near 68°F and lows around 43°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 9mph and gusts of 11.1mph at 10 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 69% at 10 PM and 67% being its lowest at 11 PM. Barometric pressure is its highest of 30.26inHg at 10 PM, a lowest point of 30.25inHg at 11 PM with an avg 30.26inHg.
Sullivan, NY Weather – 11-3 – Overcast
63° / 49°

Weather Tomorrow

Overcast
Daytime highs will reach 63°F with lows dropping to 49°F in Sullivan, where it will be overcast. There's a moderate 44% chance of rainfall with an estimated 0.02in. Winds will be light at 10mph and gusts of 21.7mph at 9 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 78% at 1 PM and 60% being its lowest at 11 AM. Barometric pressure is its highest of 30.23inHg at 12 AM, a lowest point of 30.13inHg at 11 PM with an avg 30.19inHg.
Sullivan, NY Weather – 11-4 – Overcast
71° / 49°
Overcast
Daytime highs will reach 71°F with lows dropping to 49°F in Sullivan, where it will be overcast. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 15mph on average and gusts of 33.4mph at 11 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 89% at 7 AM and 52% being its lowest at 12 PM. Barometric pressure is its highest of 30.13inHg at 12 AM, a lowest point of 29.91inHg at 11 PM with an avg 30.03inHg.
Sullivan, NY Weather – 11-5 – Scattered Showers
70° / 53°
Scattered Showers
Daytime highs will reach 70°F with lows dropping to 53°F in Sullivan, where on and off showers are set to occur. Rainfall predicted to have a 74% chance with an estimated 0.15in. Wind will be moderate, blowing around 17mph on average and gusts of 32mph at 5 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 93% at 7 AM and 56% being its lowest at 3 PM. Barometric pressure is its highest of 29.91inHg at 12 AM, a lowest point of 29.8inHg at 4 PM with an avg 29.85inHg.
Sullivan, NY Weather – 11-6 – Scattered Showers
61° / 43°
Scattered Showers
Showers likely at times in Sullivan, with a high of 61°F and a low of 43°F. Rainfall predicted to have a 51% chance with an estimated 0.03in. Wind will be moderate, blowing around 15mph on average and gusts of 24mph at 2 AM. High humidity with average of 81% is anticipated, the maximum being 93% at 1 AM and 59% being its lowest at 11 AM. Barometric pressure is its highest of 29.94inHg at 9 PM, a lowest point of 29.82inHg at 2 PM with an avg 29.87inHg.
Sullivan, NY Weather – 11-7 – Scattered Showers
53° / 38°
Scattered Showers
Passing showers are in the forecast for Sullivan, with a high of 53°F and a low of 38°F. The chance of rain is 86% with an estimated 0.39in. Wind will be moderate, blowing around 14mph on average and gusts of 19.7mph at 5 AM. High humidity with average of 85% is anticipated, the maximum being 95% at 7 AM and 72% being its lowest at 1 PM. Barometric pressure is its highest of 30.03inHg at 11 AM, a lowest point of 29.89inHg at 4 PM with an avg 29.94inHg.

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