10-day forecast for Sullivan, MI: 55° to 84°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Wednesday, August 12
79° · 0.78 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0982° / 66°0.35
Morning68°feels 69°
Afternoon81°feels 81°
Evening72°feels 73°
Overnight69°feels 69°
82 °
Sullivan, Sunday, 9 August
Rain. High 82°, low 66°.
Pressure29.97 inHg
Wind12.2 mph S
Humidity40%
Visibility6.2 mi
Dew point55°
Mon, 1084° / 69°0.09
Morning73°feels 75°
Afternoon83°feels 84°
Evening75°feels 75°
Overnight73°feels 74°
84 °
Sullivan, Monday, 10 August
Light rain. High 84°, low 69°.
Pressure29.91 inHg
Wind5 mph NW
Humidity60%
Visibility6.2 mi
Dew point65°
Tue, 1179° / 64°0.78
Morning66°feels 67°
Afternoon73°feels 74°
Evening73°feels 74°
Overnight65°feels 66°
79 °
Sullivan, Tuesday, 11 August
Heavy rain. High 79°, low 64°.
Pressure29.77 inHg
Wind5.4 mph N
Humidity99%
Visibility3.9 mi
Dew point70°
Wed, 1281° / 63°0
Morning66°feels 66°
Afternoon81°feels 82°
Evening72°feels 72°
Overnight64°feels 65°
81 °
Sullivan, Wednesday, 12 August
Mostly clear. High 81°, low 63°.
Pressure29.80 inHg
Wind7.1 mph NW
Humidity55%
Visibility6.2 mi
Dew point62°
Thu, 1371° / 55°0
Morning60°feels 59°
Afternoon70°feels 69°
Evening64°feels 63°
Overnight58°feels 56°
71 °
Sullivan, Thursday, 13 August
Overcast. High 71°, low 55°.
Pressure30.03 inHg
Wind11.3 mph NW
Humidity44%
Visibility—
Dew point46°
Fri, 1478° / 57°0
Morning67°feels 66°
Afternoon77°feels 76°
Evening68°feels 67°
Overnight61°feels 60°
78 °
Sullivan, Friday, 14 August
Light rain. High 78°, low 57°.
Pressure30.09 inHg
Wind13.4 mph NW
Humidity36%
Visibility—
Dew point47°
Sat, 1577° / 55°0
Morning62°feels 61°
Afternoon75°feels 74°
Evening66°feels 65°
Overnight59°feels 57°
77 °
Sullivan, Saturday, 15 August
Overcast. High 77°, low 55°.
Pressure30.27 inHg
Wind9.7 mph W
Humidity41%
Visibility—
Dew point49°
Sun, 1678° / 56°0
Morning64°feels 63°
Afternoon76°feels 76°
Evening68°feels 67°
Overnight62°feels 61°
78 °
Sullivan, Sunday, 16 August
Partly cloudy. High 78°, low 56°.
Pressure30.12 inHg
Wind8.2 mph W
Humidity41%
Visibility—
Dew point50°
Mon, 1780° / 62°0
Morning69°feels 69°
Afternoon78°feels 78°
Evening70°feels 71°
Overnight64°feels 64°
80 °
Sullivan, Monday, 17 August
Partly cloudy. High 80°, low 62°.
Pressure30.03 inHg
Wind11.3 mph W
Humidity53%
Visibility—
Dew point59°
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, MI 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.