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Sullivan OH Weather - Partly Cloudy - 69°F
Partly Cloudy
69°F
Updated 3:39 am
Feels Like 69°F
Humidity 96%
Wind N 0 mph
Barometer  29.94 in
Dew Point 68°F
Sullivan OH Weather - Partly Cloudy - 21°C
Partly Cloudy
21°C
Updated 3:39 am
Feels Like 20°C
Humidity 96%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 20°C
Sullivan, OH Weather and Current Conditionssullivan oh weather forecast

Sullivan, OH Weather Forecast

Sullivan Ohio WeatherSullivan, Ohio Weather Weather Forecast
14 day API Sullivan, OH weather forecast. Note. Our 7-day weather forecast for Sullivan, Ohio is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Sullivan, OH Weather Forecast Dated: 339 AM Sat Sep 05 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Saturday, September 5, 2026

Mid-Morning
Sullivan Weather - 2026-09-05 - Morning - Light Fog
70°F 21°C
Light Fog
Mid-Afternoon
Sullivan Weather - 2026-09-05 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-05 - Evening - Sunny
67°F 20°C
Sunny
Pleasant near 75°F 24°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NW to the NE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Sunday, September 6, 2026

Mid-Morning
Sullivan Weather - 2026-09-06 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Sullivan Weather - 2026-09-06 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-06 - Evening - Sunny
67°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the ENE to the NE at 12 mph 18 km/h. Gusts up to 21 mph 34 km/h.

Monday, September 7, 2026

Mid-Morning
Sullivan Weather - 2026-09-07 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Sullivan Weather - 2026-09-07 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-07 - Evening - Sunny
70°F 21°C
Sunny
Enjoyable around 75°F 24°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Sullivan Weather - 2026-09-08 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Sullivan Weather - 2026-09-08 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Sullivan Weather - 2026-09-08 - Evening - Overcast
75°F 24°C
Overcast
Mild temperatures up to 76°F 24°C, overcast throughout the day, with steady humidity and steady pressure.

Wednesday, September 9, 2026

Mid-Morning
Sullivan Weather - 2026-09-09 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Sullivan Weather - 2026-09-09 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Sullivan Weather - 2026-09-09 - Evening - Overcast
79°F 26°C
Overcast
Quite warm reaching 81°F 27°C, feeling like 85°F 29°C during peak afternoon, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds moving from the SW to the W at 15 mph 24 km/h. Gusts up to 29 mph 46 km/h.

Thursday, September 10, 2026

Mid-Morning
Sullivan Weather - 2026-09-10 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Sullivan Weather - 2026-09-10 - Afternoon - Overcast
67°F 19°C
Overcast
Early-Evening
Sullivan Weather - 2026-09-10 - Evening - Overcast
63°F 17°C
Overcast
Mildly cool near 67°F 19°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the NW to the ESE at 8 mph 13 km/h.

Friday, September 11, 2026

Mid-Morning
Sullivan Weather - 2026-09-11 - Morning - Cloudy
57°F 14°C
Cloudy
Mid-Afternoon
Sullivan Weather - 2026-09-11 - Afternoon - Light Showers
61°F 16°C
Light Showers
Early-Evening
Sullivan Weather - 2026-09-11 - Evening - Overcast
58°F 14°C
Overcast
Comfortable at 61°F 16°C, drier morning followed by scattered afternoon showers, with increasing humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Sullivan Weather - 2026-09-12 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
Sullivan Weather - 2026-09-12 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-12 - Evening - Sunny
60°F 16°C
Sunny
Cool with a high near 66°F 19°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the ENE to the NE at 10 mph 15 km/h.

Sunday, September 13, 2026

Mid-Morning
Sullivan Weather - 2026-09-13 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Sullivan Weather - 2026-09-13 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-13 - Evening - Sunny
65°F 18°C
Sunny
Mild temperatures up to 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the E to the ESE at 7 mph 11 km/h.

Monday, September 14, 2026

Mid-Morning
Sullivan Weather - 2026-09-14 - Morning - Sunny
62°F 16°C
Sunny
Mid-Afternoon
Sullivan Weather - 2026-09-14 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-14 - Evening - Sunny
73°F 23°C
Sunny
Mild with a high of 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the S at 9 mph 14 km/h.

Tuesday, September 15, 2026

Mid-Morning
Sullivan Weather - 2026-09-15 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Sullivan Weather - 2026-09-15 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-15 - Evening - Sunny
77°F 25°C
Sunny
Warm and summery near 80°F 27°C, sunny throughout the day, with steady humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Sullivan Weather - 2026-09-16 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Sullivan Weather - 2026-09-16 - Afternoon - Sunny
83°F 29°C
Sunny
Early-Evening
Sullivan Weather - 2026-09-16 - Evening - Sunny
81°F 27°C
Sunny
Very warm near 83°F 29°C, though humidity makes it feel like 86°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the S to the SSW at 7 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Sullivan Weather - 2026-09-17 - Morning - Nearby Thunderstorms
74°F 24°C
Nearby Thunderstorms
Mid-Afternoon
Sullivan Weather - 2026-09-17 - Afternoon - Scattered Showers
83°F 28°C
Scattered Showers
Early-Evening
Sullivan Weather - 2026-09-17 - Evening - Heavy Rain Showers
74°F 24°C
Heavy Rain Showers
Warm and summery around 83°F 28°C (feels like 87°F 31°C), periods of heavy thunderstorms, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Sullivan Weather - 2026-09-18 - Morning - Light Fog
66°F 19°C
Light Fog
Mid-Afternoon
Sullivan Weather - 2026-09-18 - Afternoon - Scattered Showers
66°F 19°C
Scattered Showers
Early-Evening
Sullivan Weather - 2026-09-18 - Evening - Overcast
63°F 17°C
Overcast
Mildly cool near 66°F 19°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the WSW to the NNE at 11 mph 17 km/h.

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Weather by the Numbers

Sat, 5th
Sullivan OH Weather - Saturday, Sep 5, 2026 - Overcast
Hi: 77°F 25°C
Lo: 62°F 17°C
Sunrise 06:59 AM
Sunset 07:54 PM
Wind NNE 7 mph11 km/h
Dew Point 71°F21°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 26% *
Humidity 85%
Sun, 6th
Sullivan OH Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 72°F 22°C
Lo: 57°F 14°C
Sunrise 07:00 AM
Sunset 07:53 PM
Wind NE 11 mph18 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 3% *
Humidity 60%
Mon, 7th
Sullivan OH Weather - Monday, Sep 7, 2026 - Overcast
Hi: 75°F 24°C
Lo: 58°F 14°C
Sunrise 07:01 AM
Sunset 07:51 PM
Wind ESE 9 mph15 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 15% *
Humidity 62%
Tue, 8th
Sullivan OH Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 77°F 25°C
Lo: 61°F 16°C
Sunrise 07:02 AM
Sunset 07:49 PM
Wind SE 7 mph12 km/h
Dew Point 56°F13°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 14% *
Humidity 59%
Wed, 9th
Sullivan OH Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 82°F 28°C
Lo: 70°F 21°C
Sunrise 07:03 AM
Sunset 07:48 PM
Wind SW 18 mph28 km/h
Dew Point 67°F19°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 64%
Thu, 10th
Sullivan OH Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 60°F 16°C
Sunrise 07:04 AM
Sunset 07:46 PM
Wind NW 13 mph22 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 15% *
Humidity 61%
Fri, 11th
Sullivan OH Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 63°F 17°C
Lo: 54°F 12°C
Sunrise 07:05 AM
Sunset 07:44 PM
Wind ESE 6 mph9 km/h
Dew Point 51°F10°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 14% *
Humidity 67%
Sat, 12th
Sullivan OH Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 67°F 19°C
Lo: 54°F 12°C
Sunrise 07:06 AM
Sunset 07:43 PM
Wind NE 8 mph12 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 8% *
Humidity 63%
Sun, 13th
Sullivan OH Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 70°F 21°C
Lo: 49°F 9°C
Sunrise 07:07 AM
Sunset 07:41 PM
Wind ESE 10 mph16 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 44%
Mon, 14th
Sullivan OH Weather - Monday, Sep 14, 2026 - Sunny
Hi: 77°F 25°C
Lo: 55°F 13°C
Sunrise 07:08 AM
Sunset 07:39 PM
Wind SSE 10 mph16 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 58%
Tue, 15th
Sullivan OH Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 80°F 27°C
Lo: 62°F 17°C
Sunrise 07:09 AM
Sunset 07:38 PM
Wind SSE 6 mph10 km/h
Dew Point 58°F15°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 58%
Wed, 16th
Sullivan OH Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 84°F 29°C
Lo: 67°F 20°C
Sunrise 07:10 AM
Sunset 07:36 PM
Wind S 10 mph16 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 30.21 in1023 mb
POP 3% *
Humidity 60%
Thu, 17th
Sullivan OH Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 83°F 28°C
Lo: 69°F 21°C
Sunrise 07:11 AM
Sunset 07:34 PM
Wind WSW 5 mph9 km/h
Dew Point 70°F21°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 75%
Fri, 18th
Sullivan OH Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 59°F 15°C
Sunrise 07:12 AM
Sunset 07:33 PM
Wind NNE 6 mph9 km/h
Dew Point 65°F18°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 34% *
Humidity 93%
* POP = Probability of Precipitation. Data for 12:00 PM.