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Sumner MI Weather - Clear - 73°F
Clear
73°F
Updated 8:23 pm
Feels Like 73°F
Humidity 88%
Wind WSW 1 mph
Barometer  29.94 in
Dew Point 69°F
Sumner MI Weather - Clear - 23°C
Clear
23°C
Updated 8:23 pm
Feels Like 23°C
Humidity 88%
Wind WSW 2 km/h
Barometer  101.4 kPa
Dew Point 21°C
Sumner, MI Weather and Current Conditionssumner mi weather forecast

Sumner, MI Weather Forecast

Sumner Michigan WeatherSumner, Michigan Weather Weather Forecast
14 Day API Sumner, MI Weather Forecast. Note: Our 7 day Sumner, Michigan weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
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
Sumner Weather - 2026-09-03 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-03 - Afternoon - Heavy Rain
72°F 22°C
Heavy Rain
Early-Evening
Sumner Weather - 2026-09-03 - Evening - Heavy Rain
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
Sumner Weather - 2026-09-04 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Sumner Weather - 2026-09-04 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Sumner Weather - 2026-09-04 - Evening - Scattered Showers
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
Sumner Weather - 2026-09-05 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-05 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Sumner Weather - 2026-09-05 - Evening - Sunny
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
Sumner Weather - 2026-09-06 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-06 - Afternoon - Partly Cloudy
74°F 23°C
Partly Cloudy
Early-Evening
Sumner Weather - 2026-09-06 - Evening - Partly Cloudy
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
Sumner Weather - 2026-09-07 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
Sumner Weather - 2026-09-07 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Sumner Weather - 2026-09-07 - Evening - Sunny
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
Sumner Weather - 2026-09-08 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-08 - Afternoon - Light Showers
64°F 18°C
Light Showers
Early-Evening
Sumner Weather - 2026-09-08 - Evening - Overcast
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
Sumner Weather - 2026-09-09 - Morning - Cloudy
69°F 21°C
Cloudy
Mid-Afternoon
Sumner Weather - 2026-09-09 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sumner Weather - 2026-09-09 - Evening - Sunny
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
Sumner Weather - 2026-09-10 - Morning - Overcast
67°F 19°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-10 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Sumner Weather - 2026-09-10 - Evening - Overcast
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
Sumner Weather - 2026-09-11 - Morning - Light Showers
51°F 11°C
Light Showers
Mid-Afternoon
Sumner Weather - 2026-09-11 - Afternoon - Overcast
54°F 12°C
Overcast
Early-Evening
Sumner Weather - 2026-09-11 - Evening - Partly Cloudy
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
Sumner Weather - 2026-09-12 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Sumner Weather - 2026-09-12 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Sumner Weather - 2026-09-12 - Evening - Sunny
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
Sumner Weather - 2026-09-13 - Morning - Scattered Showers
64°F 18°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-13 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Sumner Weather - 2026-09-13 - Evening - Partly Cloudy
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
Sumner Weather - 2026-09-14 - Morning - Sunny
74°F 24°C
Sunny
Mid-Afternoon
Sumner Weather - 2026-09-14 - Afternoon - Scattered Showers
83°F 28°C
Scattered Showers
Early-Evening
Sumner Weather - 2026-09-14 - Evening - Sunny
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
Sumner Weather - 2026-09-15 - Morning - Scattered Showers
62°F 17°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-15 - Afternoon - Scattered Showers
66°F 19°C
Scattered Showers
Early-Evening
Sumner Weather - 2026-09-15 - Evening - Scattered Showers
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
Sumner Weather - 2026-09-16 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Sumner Weather - 2026-09-16 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Sumner Weather - 2026-09-16 - Evening - Overcast
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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Weather by the Numbers

Thu, 3rd
Sumner MI Weather - Thursday, Sep 3, 2026 - Patchy Rain Nearby
Hi: 82°F 28°C
Lo: 67°F 19°C
Sunrise 07:05 AM
Sunset 08:10 PM
Wind SSW 4 mph6 km/h
Dew Point 70°F21°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 25% *
Humidity 67%
Fri, 4th
Sumner MI Weather - Friday, Sep 4, 2026 - Overcast
Hi: 76°F 25°C
Lo: 66°F 19°C
Sunrise 07:06 AM
Sunset 08:08 PM
Wind E 2 mph4 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 26% *
Humidity 83%
Sat, 5th
Sumner MI Weather - Saturday, Sep 5, 2026 - Overcast
Hi: 74°F 23°C
Lo: 62°F 17°C
Sunrise 07:07 AM
Sunset 08:07 PM
Wind ENE 7 mph11 km/h
Dew Point 58°F14°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 20% *
Humidity 78%
Sun, 6th
Sumner MI Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 74°F 23°C
Lo: 57°F 14°C
Sunrise 07:09 AM
Sunset 08:05 PM
Wind ENE 10 mph17 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 5% *
Humidity 65%
Mon, 7th
Sumner MI Weather - Monday, Sep 7, 2026 - Overcast
Hi: 73°F 23°C
Lo: 58°F 14°C
Sunrise 07:10 AM
Sunset 08:03 PM
Wind E 6 mph10 km/h
Dew Point 53°F12°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 12% *
Humidity 58%
Tue, 8th
Sumner MI Weather - Tuesday, Sep 8, 2026 - Patchy Rain Nearby
Hi: 65°F 18°C
Lo: 60°F 16°C
Sunrise 07:11 AM
Sunset 08:01 PM
Wind SE 7 mph11 km/h
Dew Point 56°F13°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 20% *
Humidity 74%
Wed, 9th
Sumner MI Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 83°F 28°C
Lo: 62°F 17°C
Sunrise 07:12 AM
Sunset 08:00 PM
Wind SW 14 mph23 km/h
Dew Point 67°F19°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 19% *
Humidity 76%
Thu, 10th
Sumner MI Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 78°F 25°C
Lo: 61°F 16°C
Sunrise 07:13 AM
Sunset 07:58 PM
Wind W 14 mph22 km/h
Dew Point 58°F14°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 13% *
Humidity 58%
Fri, 11th
Sumner MI Weather - Friday, Sep 11, 2026 - Light Rain Shower
Hi: 59°F 15°C
Lo: 51°F 11°C
Sunrise 07:14 AM
Sunset 07:56 PM
Wind ENE 7 mph12 km/h
Dew Point 49°F9°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 45% *
Humidity 89%
Sat, 12th
Sumner MI Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 71°F 22°C
Lo: 53°F 12°C
Sunrise 07:15 AM
Sunset 07:54 PM
Wind ESE 11 mph18 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 7% *
Humidity 52%
Sun, 13th
Sumner MI Weather - Sunday, Sep 13, 2026 - Cloudy
Hi: 91°F 33°C
Lo: 59°F 15°C
Sunrise 07:16 AM
Sunset 07:52 PM
Wind S 11 mph18 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 13% *
Humidity 66%
Mon, 14th
Sumner MI Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 84°F 29°C
Lo: 66°F 19°C
Sunrise 07:17 AM
Sunset 07:51 PM
Wind WSW 18 mph29 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 6% *
Humidity 66%
Tue, 15th
Sumner MI Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 70°F 21°C
Lo: 55°F 13°C
Sunrise 07:19 AM
Sunset 07:49 PM
Wind W 15 mph23 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 29.59 in1002 mb
POP 17% *
Humidity 64%
Wed, 16th
Sumner MI Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 50°F 10°C
Sunrise 07:20 AM
Sunset 07:47 PM
Wind NNW 15 mph25 km/h
Dew Point 41°F5°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 14% *
Humidity 63%
* POP = Probability of Precipitation. Data for 12:00 PM.