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Sullivan, NY Weather Forecast

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Sullivan, NY Weather Forecast

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Sullivan NY weather - Mostly Clear - 58°F
Mostly Clear
58°F
Updated 12:10 am
Feels Like 56°F
Humidity 83%
Wind N 0 mph
Barometer  30.13 in
Dew Point 53°F
Sullivan NY weather - Mostly Clear - 14°C
Mostly Clear
14°C
Updated 12:10 am
Feels Like 14°C
Humidity 83%
Wind N 0 km/h
Barometer  102 kPa
Dew Point 12°C
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Sullivan Weather Forecast

TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Sullivan, NY Weather - Tonight Mostly Clear Sullivan, NY Weather - Labor Day Mostly Sunny Sullivan, NY Weather - Monday Night Partly Cloudy Sullivan, NY Weather - Tuesday Partly Sunny Sullivan, NY Weather - Tuesday Night Partly Cloudy Sullivan, NY Weather - Wednesday Chance Of Showers Sullivan, NY Weather - Wednesday Night Showers Sullivan, NY Weather - Thursday Chance Of Showers Sullivan, NY Weather - Thursday Night Partly Cloudy Sullivan, NY Weather - Friday Partly Sunny Sullivan, NY Weather - Friday Night Mostly Clear Sullivan, NY Weather - Saturday Mostly Sunny
Mostly Clear Mostly Sunny Partly Cloudy Partly Sunny Partly Cloudy Chance of Showers Showers Chance of Showers Partly Cloudy Partly Sunny Mostly Clear Mostly Sunny
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 65°FLo: 18°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
POP: 50% POP: 90% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 935 PM EDT Sun Sep 06 2026 Sullivan, NY Weather - WeatherWorld.com

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Issued: 616 PM EDT Sun Sep 6 2026

Key Messages

1) A generally dry Fall-like pattern will persist for the remainder of Labor Day Weekend.

2) Warming is expected Tuesday into Wednesday, ahead of a frontal system projected to pass through with showers and perhaps embedded thunder late Wednesday or early Thursday.


Discussion

... KEY MESSAGE 1...

Upper level troughing is in place with dry air aloft, with plentiful fair weather cumulus that has developed this afternoon. Any shower development through the day will struggle with the dry air ...