10-day forecast for Sumner, MI: 39° to 67°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Saturday, October 24
62° · 0.08 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1960° / 41°0
Morning41°feels 37°
Afternoon60°feels 58°
Evening48°feels 48°
Overnight45°feels 40°
60 °
Sumner, Monday, 19 October
Clear. High 60°, low 41°.
Pressure30.42 inHg
Wind5.9 mph SW
Humidity66%
Visibility6.2 mi
Dew point46°
Tue, 2063° / 39°0
Morning41°feels 39°
Afternoon62°feels 60°
Evening52°feels 51°
Overnight41°feels 39°
63 °
Sumner, Tuesday, 20 October
Clear. High 63°, low 39°.
Pressure30.45 inHg
Wind5.2 mph E
Humidity68%
Visibility6.2 mi
Dew point48°
Wed, 2164° / 41°0
Morning41°feels 41°
Afternoon63°feels 61°
Evening55°feels 54°
Overnight44°feels 44°
64 °
Sumner, Wednesday, 21 October
Clear. High 64°, low 41°.
Pressure30.33 inHg
Wind3.6 mph SW
Humidity74%
Visibility6.2 mi
Dew point49°
Thu, 2257° / 45°0.01
Morning46°feels 43°
Afternoon55°feels 54°
Evening49°feels 48°
Overnight47°feels 45°
57 °
Sumner, Thursday, 22 October
Light rain. High 57°, low 45°.
Pressure30.36 inHg
Wind5.7 mph NE
Humidity92%
Visibility3.7 mi
Dew point49°
Fri, 2356° / 39°0
Morning44°feels 42°
Afternoon54°feels 52°
Evening46°feels 43°
Overnight42°feels 38°
56 °
Sumner, Friday, 23 October
Clear. High 56°, low 39°.
Pressure30.45 inHg
Wind6.5 mph SE
Humidity54%
Visibility—
Dew point37°
Sat, 2467° / 41°0
Morning48°feels 44°
Afternoon64°feels 62°
Evening61°feels 59°
Overnight56°feels 54°
67 °
Sumner, Saturday, 24 October
Overcast. High 67°, low 41°.
Pressure30.33 inHg
Wind15.1 mph S
Humidity45%
Visibility—
Dew point40°
Sun, 2562° / 42°0.08
Morning56°feels 54°
Afternoon56°feels 54°
Evening46°feels 42°
Overnight44°feels 41°
62 °
Sumner, Sunday, 25 October
Light rain. High 62°, low 42°.
Pressure30.36 inHg
Wind14.2 mph SW
Humidity45%
Visibility—
Dew point36°
Mon, 2657° / 39°0
Morning44°feels 42°
Afternoon56°feels 53°
Evening53°feels 49°
Overnight48°feels 46°
57 °
Sumner, Monday, 26 October
Overcast. High 57°, low 39°.
Pressure30.33 inHg
Wind6.6 mph SW
Humidity32%
Visibility—
Dew point25°
Tue, 2758° / 48°0
Morning50°feels 48°
Afternoon56°feels 53°
Evening52°feels 50°
Overnight51°feels 48°
58 °
Sumner, Tuesday, 27 October
Overcast. High 58°, low 48°.
Pressure30.36 inHg
Wind9.7 mph E
Humidity50%
Visibility—
Dew point37°
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.