10-day forecast for Sullivan, OH: 54° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
83° · 2.13 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 62°0.04
Morning65°feels 65°
Afternoon83°feels 83°
Evening79°feels 79°
Overnight71°feels 72°
87 °
Sullivan, Sunday, 9 August
Light rain. High 87°, low 62°.
Pressure30.06 inHg
Wind5 mph SW
Humidity52%
Visibility6.2 mi
Dew point58°
Mon, 1083° / 65°2.13
Morning70°feels 71°
Afternoon81°feels 85°
Evening70°feels 71°
Overnight71°feels 73°
83 °
Sullivan, Monday, 10 August
Heavy rain. High 83°, low 65°.
Pressure29.97 inHg
Wind15 mph SW
Humidity89%
Visibility6.2 mi
Dew point73°
Tue, 1180° / 60°1.22
Morning66°feels 66°
Afternoon78°feels 79°
Evening67°feels 68°
Overnight66°feels 67°
80 °
Sullivan, Tuesday, 11 August
Heavy rain. High 80°, low 60°.
Pressure29.94 inHg
Wind12 mph SW
Humidity81%
Visibility6.2 mi
Dew point68°
Wed, 1279° / 67°0.02
Morning69°feels 70°
Afternoon76°feels 77°
Evening72°feels 73°
Overnight67°feels 68°
79 °
Sullivan, Wednesday, 12 August
Light rain. High 79°, low 67°.
Pressure29.80 inHg
Wind6.8 mph W
Humidity83%
Visibility6.2 mi
Dew point68°
Thu, 1368° / 58°0
Morning62°feels 62°
Afternoon67°feels 66°
Evening60°feels 60°
Overnight58°feels 57°
68 °
Sullivan, Thursday, 13 August
Overcast. High 68°, low 58°.
Pressure30.03 inHg
Wind10.9 mph N
Humidity59%
Visibility—
Dew point52°
Fri, 1472° / 54°0
Morning62°feels 61°
Afternoon71°feels 70°
Evening64°feels 64°
Overnight62°feels 61°
72 °
Sullivan, Friday, 14 August
Clear. High 72°, low 54°.
Pressure30.09 inHg
Wind7.2 mph N
Humidity57%
Visibility—
Dew point54°
Sat, 1573° / 56°0
Morning64°feels 64°
Afternoon72°feels 72°
Evening62°feels 61°
Overnight58°feels 56°
73 °
Sullivan, Saturday, 15 August
Light rain. High 73°, low 56°.
Pressure30.27 inHg
Wind7.5 mph N
Humidity62%
Visibility—
Dew point58°
Sun, 1675° / 54°0
Morning62°feels 61°
Afternoon74°feels 74°
Evening66°feels 66°
Overnight60°feels 59°
75 °
Sullivan, Sunday, 16 August
Mostly clear. High 75°, low 54°.
Pressure30.18 inHg
Wind5.6 mph SE
Humidity57%
Visibility—
Dew point56°
Mon, 1772° / 60°0
Morning65°feels 64°
Afternoon67°feels 67°
Evening67°feels 67°
Overnight63°feels 63°
72 °
Sullivan, Monday, 17 August
Overcast. High 72°, low 60°.
Pressure30.06 inHg
Wind4.8 mph SE
Humidity81%
Visibility—
Dew point60°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Sullivan, OH around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.