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Gaines, MI Weather Tomorrow

Everything you need for tomorrow's Gaines weather and the next 5 days is here, including precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Gaines area and around Genesee county, Michigan.
Updated: Fri Sep 18th 2026 12:45 AM EDT
Gaines, MI Weather – 9-18 – Overcast
71° / 53°
Overcast
Daytime highs will reach 71°F with lows dropping to 53°F in Gaines, where skies will be overcast. There might be light rainfall having a 11% chance. Wind will be moderate, blowing around 17mph on average and gusts of 22.6mph at 3 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 94% at 6 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.29inHg at 8 AM, a lowest point of 30.22inHg at 4 PM with an avg 30.25inHg.
Gaines, MI Weather – 9-19 – Overcast
63° / 54°

Weather Tomorrow

Overcast
Highs will reach 63°F with lows near 54°F in Gaines, where overcast is. There might be light rainfall having a 23% chance with an estimated 0.01in. Winds will be light at 9mph and gusts of 17.9mph at 12 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 81% at 8 PM and 45% being its lowest at 10 AM. Barometric pressure is its highest of 30.23inHg at 12 AM, a lowest point of 30.02inHg at 11 PM with an avg 30.13inHg.
Gaines, MI Weather – 9-20 – Scattered Showers
62° / 55°
Scattered Showers
Gaines could see passing showers with daytime highs of 62°F and nighttime lows near 55°F. The chance of rain is 79% with an estimated 0.09in. Wind will be moderate, blowing around 11mph on average and gusts of 23.1mph at 7 PM. High humidity with average of 85% is anticipated, the maximum being 95% at 5 AM and 65% being its lowest at 4 PM. Barometric pressure is its highest of 30.1inHg at 11 PM, a lowest point of 30inHg at 3 AM with an avg 30.04inHg.
Gaines, MI Weather – 9-21 – Overcast
66° / 53°
Overcast
Gaines could see overcast with daytime highs of 66°F and nighttime lows near 53°F. There might be light rainfall having a 16% chance with an estimated 0in. Wind will be moderate, blowing around 18mph on average and gusts of 29.3mph at 2 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 88% at 4 AM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 30.12inHg at 10 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.09inHg.
Gaines, MI Weather – 9-22 – Overcast
57° / 52°
Overcast
Daytime highs will reach 57°F with lows dropping to 52°F in Gaines, where it will be overcast. There might be light rainfall having a 19% chance with an estimated 0in. Wind will be moderate, blowing around 15mph on average and gusts of 23.3mph at 6 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 81% at 11 PM and 46% being its lowest at 5 AM. Barometric pressure is its highest of 30.17inHg at 1 PM, a lowest point of 30.1inHg at 1 AM with an avg 30.14inHg.
Gaines, MI Weather – 9-23 – Scattered Showers
57° / 51°
Scattered Showers
Daytime highs will reach 57°F with lows dropping to 51°F in Gaines, where showers likely at times. The chance of rain is 92% with an estimated 0.38in. Winds will be light at 10mph and gusts of 17.2mph at 8 PM. High humidity with average of 95% is anticipated, the maximum being 99% at 2 AM and 87% being its lowest at 12 AM. Barometric pressure is its highest of 30.14inHg at 11 PM, a lowest point of 30.09inHg at 5 AM with an avg 30.11inHg.

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