10-day forecast for Sumner, MI: 34° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Monday, October 12
76° · 0.42 in
Worst day: Tuesday, October 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1277° / 54°0
Morning59°feels 59°
Afternoon77°feels 77°
Evening69°feels 69°
Overnight56°feels 56°
77 °
Sumner, Monday, 12 October
Overcast. High 77°, low 54°.
Pressure29.85 inHg
Wind10.2 mph SW
Humidity66%
Visibility6.2 mi
Dew point60°
Tue, 1376° / 63°0.42
Morning64°feels 64°
Afternoon76°feels 77°
Evening67°feels 67°
Overnight64°feels 65°
76 °
Sumner, Tuesday, 13 October
Heavy rain. High 76°, low 63°.
Pressure29.71 inHg
Wind15.3 mph W
Humidity72%
Visibility6.2 mi
Dew point66°
Wed, 1466° / 53°0.02
Morning55°feels 55°
Afternoon65°feels 64°
Evening57°feels 56°
Overnight57°feels 57°
66 °
Sumner, Wednesday, 14 October
Light rain. High 66°, low 53°.
Pressure30.06 inHg
Wind8.5 mph N
Humidity68%
Visibility6.2 mi
Dew point52°
Thu, 1556° / 46°0.23
Morning46°feels 44°
Afternoon56°feels 55°
Evening55°feels 54°
Overnight50°feels 49°
56 °
Sumner, Thursday, 15 October
Light rain. High 56°, low 46°.
Pressure30.21 inHg
Wind5.5 mph E
Humidity83%
Visibility6.2 mi
Dew point48°
Fri, 1655° / 45°0.2
Morning52°feels 50°
Afternoon53°feels 51°
Evening46°feels 41°
Overnight46°feels 41°
55 °
Sumner, Friday, 16 October
Rain. High 55°, low 45°.
Pressure30.12 inHg
Wind22.6 mph NW
Humidity60%
Visibility—
Dew point41°
Sat, 1754° / 37°0
Morning43°feels 38°
Afternoon52°feels 49°
Evening42°feels 36°
Overnight37°feels 31°
54 °
Sumner, Saturday, 17 October
Clear. High 54°, low 37°.
Pressure30.42 inHg
Wind11.3 mph W
Humidity48%
Visibility—
Dew point33°
Sun, 1857° / 34°0
Morning40°feels 32°
Afternoon54°feels 50°
Evening49°feels 43°
Overnight45°feels 38°
57 °
Sumner, Sunday, 18 October
Mostly clear. High 57°, low 34°.
Pressure30.33 inHg
Wind22.1 mph SW
Humidity26%
Visibility—
Dew point18°
Mon, 1965° / 43°0
Morning49°feels 44°
Afternoon64°feels 61°
Evening56°feels 54°
Overnight52°feels 49°
65 °
Sumner, Monday, 19 October
Overcast. High 65°, low 43°.
Pressure30.27 inHg
Wind16.2 mph SW
Humidity37%
Visibility—
Dew point35°
Tue, 2069° / 50°0
Morning55°feels 53°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight54°feels 53°
69 °
Sumner, Tuesday, 20 October
Overcast. High 69°, low 50°.
Pressure30.24 inHg
Wind8.4 mph S
Humidity53%
Visibility—
Dew point47°
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 Sumner, 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.