Sumner, MI 14 Day Weather - 48889 WeatherWorld.com
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Sumner, MI Weather Forecast


Sumner, MI Weather Forecast Dated: 823 PM Thu Sep 03 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.
Thursday, September 3, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
72°F 22°C
Heavy Rain
Early-Evening
72°F 22°C
Heavy Rain
Pleasant near 72°F 22°C, drier morning followed by showers lasting through evening, with steady humidity and steady pressure. Winds turning from the ESE to the SSW at 4 mph 6 km/h.
Friday, September 4, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
72°F 22°C
Scattered Showers
Comfortable with temperatures reaching 76°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the N at 4 mph 7 km/h.
Saturday, September 5, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
69°F 20°C
Sunny
Enjoyable around 74°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the E to the ENE at 9 mph 15 km/h.
Sunday, September 6, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Partly Cloudy
Early-Evening
68°F 20°C
Partly Cloudy
Mild temperatures up to 74°F 23°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NE to the ENE at 10 mph 16 km/h.
Monday, September 7, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild with a high of 73°F 23°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the E to the ESE at 5 mph 8 km/h.
Tuesday, September 8, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
64°F 18°C
Overcast
Mildly cool near 64°F 18°C, dry early, with showers developing in the afternoon, with increasing humidity and barometric pressure falling. Winds turning from the ESE to the SE at 9 mph 14 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, September 9, 2026
Mid-Morning
69°F 21°C
Cloudy
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Warm and summery around 82°F 28°C (feels like 86°F 30°C), overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSW to the WNW at 11 mph 18 km/h. Gusts up to 20 mph 33 km/h.
Thursday, September 10, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
70°F 21°C
Overcast
Enjoyable around 77°F 25°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the WSW to the SW at 10 mph 15 km/h.
Friday, September 11, 2026
Mid-Morning
51°F 11°C
Light Showers
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
56°F 14°C
Partly Cloudy
Brisk around 54°F 12°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds E at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
67°F 19°C
Sunny
Mild with a high of 68°F 20°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the E to the ESE at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.
Sunday, September 13, 2026
Mid-Morning
64°F 18°C
Scattered Showers
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
84°F 29°C
Partly Cloudy
Quite warm reaching 83°F 28°C, feeling like 88°F 31°C during peak afternoon, scattered downpours possible, with lower humidity and barometric pressure falling. Winds turning from the SSE to the WSW at 6 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
76°F 24°C
Sunny
Very warm near 83°F 28°C, though humidity makes it feel like 86°F 30°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds switching from the WSW to the SSE at 13 mph 21 km/h. Gusts up to 26 mph 42 km/h.
Tuesday, September 15, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
58°F 14°C
Scattered Showers
Refreshing around 66°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds picking up from W at 8 mph 13 km/h to WNW at 18 mph 29 km/h. Gusts up to 31 mph 49 km/h.
Wednesday, September 16, 2026
Mid-Morning
51°F 11°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
56°F 13°C
Overcast
Cool and brisk at 57°F 14°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds blowing from the NW at 15 mph 24 km/h. Gusts up to 21 mph 33 km/h.
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