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Sumner, MI Weather Forecast for 5-Days

Updated: Mon Apr 13th 2026 10:30 AM EDT

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Sumner, MI Weather – 4-13 – Moderate Rain
73° / 59°
Moderate Rain
Daytime highs will reach 73°F with lows dropping to 59°F in Sumner, where it will rain at times. The chance of rain is 88% with an estimated 0.21in. Winds will be strong at speeds peaking at 22mph and gusts of 26.8mph at 11 PM. High humidity with average of 86% is anticipated, the maximum being 95% at 11 PM and 74% being its lowest at 7 PM. Barometric pressure is its highest of 29.9inHg at 5 PM, a lowest point of 29.84inHg at 11 AM with an avg 29.88inHg.
Sumner, MI Weather – 4-14 – Moderate Rain
70° / 64°

Weather Tomorrow

Moderate Rain
In Sumner, it will rain at times with highs near 70°F and lows around 64°F. The chance of rain is 89% with an estimated 0.54in. Wind will be moderate, blowing around 19mph on average and gusts of 34.1mph at 2 AM. High humidity with average of 93% is anticipated, the maximum being 97% at 8 PM and 82% being its lowest at 2 AM. Barometric pressure is its highest of 29.8inHg at 12 AM, a lowest point of 29.7inHg at 10 PM with an avg 29.72inHg.
Sumner, MI Weather – 4-15 – Heavy Rain
70° / 57°
Heavy Rain
Highs will reach 70°F with lows near 57°F in Sumner, where rain showers are. The chance of rain is 88% with an estimated 5.83in. Wind will be moderate, blowing around 18mph on average and gusts of 34.9mph at 12 AM. High humidity with average of 93% is anticipated, the maximum being 98% at 5 AM and 82% being its lowest at 5 PM. Barometric pressure is its highest of 29.73inHg at 2 PM, a lowest point of 29.66inHg at 7 AM with an avg 29.69inHg.
Sumner, MI Weather – 4-16 – Scattered Showers
63° / 58°
Scattered Showers
On and off showers are set to occur in Sumner, with a high of 63°F and a low of 58°F. The chance of rain is 85% with an estimated 0.05in. Wind will be moderate, blowing around 20mph on average and gusts of 28.6mph at 8 AM. High humidity with average of 81% is anticipated, the maximum being 95% at 1 AM and 63% being its lowest at 6 PM. Barometric pressure is its highest of 29.88inHg at 8 PM, a lowest point of 29.65inHg at 7 AM with an avg 29.74inHg.
Sumner, MI Weather – 4-17 – Sunny
75° / 49°
Sunny
Sumner is set for a sunny day with temperatures peaking at 75°F and dipping to 49°F. Wind will be moderate, blowing around 17mph on average and gusts of 27.7mph at 9 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 93% at 4 AM and 55% being its lowest at 2 PM. Barometric pressure is its highest of 29.99inHg at 8 AM, a lowest point of 29.76inHg at 11 PM with an avg 29.89inHg.
Sumner, MI Weather – 4-18 – Scattered Showers
65° / 49°
Scattered Showers
On and off showers are set to occur in Sumner, with a high of 65°F and a low of 49°F. The chance of rain is 86% with an estimated 0.06in. Winds will be strong at speeds peaking at 22mph and gusts of 33.6mph at 8 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 85% at 8 PM and 72% being its lowest at 5 PM. Barometric pressure is its highest of 29.75inHg at 11 PM, a lowest point of 29.59inHg at 8 AM with an avg 29.67inHg.

Currently

Overcast 63°F
29.85 inHg.
Barometer
88%
Humidity
WSW 25.9 mph
Wind
Overcast

5 Day Forecast Nearby

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