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Sumner Weather Forecast
Sumner, MI Weather Forecast Date: 222 AM EDT Fri Sep 04 2026
Weather forecast for Sumner, MI
Morning Lo: 65°F Lo: 18°C |
Early This Morning... Partly cloudy with a 40% chance of showers and thunderstorms. Patchy fog. Lows in the mid 60s. Light winds. |
| Today Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Today... Showers likely and a chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Light winds. Chance of rain 70%. |
Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Partly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. |
Sun Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Sunday... Sunny. Highs in the upper 70s. Light winds becoming northeast 5 to 10 mph in the afternoon. |
| Labor Day Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Labor Day... Mostly sunny. Highs around 80. |
Tue Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Tuesday... Partly sunny with a 20% chance of rain showers. Highs in the upper 70s. |
| Wed Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Wednesday... Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 50%. |
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