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Fairmont, MN Weather Tomorrow

Check tomorrow's weather in Fairmont with a detailed 5 day forecast covering 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 Fairmont area and around Martin county, Minnesota.
Updated: Wed Sep 23rd 2026 6:00 PM CDT
Fairmont, MN Weather – 9-23 – Sunny
65° / 50°
Sunny
In Fairmont, bright and sunny conditions with highs near 65°F and lows around 50°F. There's a very small chance of rainfall, only about 10%. Wind will be moderate, blowing around 13mph on average and gusts of 24.9mph at 10 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 86% at 11 PM and 72% being its lowest at 7 PM. Barometric pressure is its highest of 30.3inHg at 10 PM, a lowest point of 30.27inHg at 7 PM with an avg 30.29inHg.
Fairmont, MN Weather – 9-24 – Overcast
59° / 53°

Weather Tomorrow

Overcast
Daytime highs will reach 59°F with lows dropping to 53°F in Fairmont, where skies will be overcast. The chance of rain is 89% with an estimated 0.24in. Wind will be moderate, blowing around 11mph on average and gusts of 26.2mph at 12 AM. High humidity with average of 90% is anticipated, the maximum being 96% at 11 PM and 82% being its lowest at 11 AM. Barometric pressure is its highest of 30.29inHg at 12 AM, a lowest point of 30.21inHg at 7 PM with an avg 30.25inHg.
Fairmont, MN Weather – 9-25 – Scattered Showers
58° / 55°
Scattered Showers
Daytime highs will reach 58°F with lows dropping to 55°F in Fairmont, where showers likely at times. The chance of rain is 93% with an estimated 0.42in. Wind will be moderate, blowing around 13mph on average and gusts of 25.9mph at 11 PM. High humidity with average of 96% is anticipated, the maximum being 98% at 6 AM and 93% being its lowest at 6 PM. Barometric pressure is its highest of 30.22inHg at 10 AM, a lowest point of 30.12inHg at 11 PM with an avg 30.18inHg.
Fairmont, MN Weather – 9-26 – Light Rain Shower
57° / 55°
Light Rain Shower
In Fairmont, periods of rain are likely with highs near 57°F and lows around 55°F. The chance of rain is 94% with an estimated 0.44in. Wind will be moderate, blowing around 15mph on average and gusts of 30.4mph at 10 AM. High humidity with average of 96% is anticipated, the maximum being 98% at 11 PM and 94% being its lowest at 3 PM. Barometric pressure is its highest of 30.12inHg at 12 AM, a lowest point of 30inHg at 6 PM with an avg 30.05inHg.
Fairmont, MN Weather – 9-27 – Overcast
66° / 56°
Overcast
Daytime highs will reach 66°F with lows dropping to 56°F in Fairmont, where it will be overcast. There's a moderate 33% chance of rainfall with an estimated 0in. Winds will be light at 10mph and gusts of 22.6mph at 12 AM. High humidity with average of 89% is anticipated, the maximum being 98% at 4 AM and 76% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 12 PM, a lowest point of 29.99inHg at 6 PM with an avg 30.03inHg.
Fairmont, MN Weather – 9-28 – Overcast
68° / 58°
Overcast
Cloud-filled skies are in the forecast for Fairmont, with a high of 68°F and a low of 58°F. There might be light rainfall having a 21% chance with an estimated 0in. Wind will be moderate, blowing around 14mph on average and gusts of 25.7mph at 11 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 95% at 7 AM and 64% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 1 AM, a lowest point of 29.8inHg at 11 PM with an avg 29.91inHg.

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