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Winthrop, MN Weather Tomorrow

Need tomorrow's weather for Winthrop? This 5 day forecast provides precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Winthrop area and around Sibley county, Minnesota.
Updated: Fri Aug 28th 2026 8:15 PM CDT
Winthrop, MN Weather – 8-28 – Overcast
82° / 51°
Overcast
Winthrop may see overcast, with daytime highs of 82°F and overnight lows near 51°F. There might be light rainfall having a 14% chance. Wind will be moderate, blowing around 15mph on average and gusts of 31.8mph at 11 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 70% at 10 PM and 68% being its lowest at 9 PM. Barometric pressure is its highest of 29.95inHg at 10 PM, a lowest point of 29.92inHg at 11 PM with an avg 29.94inHg.
Winthrop, MN Weather – 8-29 – Overcast
91° / 62°

Weather Tomorrow

Overcast
Daytime highs will reach 91°F with lows dropping to 62°F in Winthrop, where it will be overcast. Rainfall predicted to have a 75% chance with an estimated 0.46in. Wind will be moderate, blowing around 17mph on average and gusts of 40.5mph at 8 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 97% at 6 AM and 30% being its lowest at 5 PM. Barometric pressure is its highest of 29.95inHg at 2 AM, a lowest point of 29.67inHg at 5 PM with an avg 29.81inHg.
Winthrop, MN Weather – 8-30 – Overcast
98° / 68°
Overcast
Winthrop is set for overcast with temperatures peaking at 98°F and dipping to 68°F. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 10mph and gusts of 14.4mph at 9 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 93% at 6 AM and 25% being its lowest at 4 PM. Barometric pressure is its highest of 29.74inHg at 5 AM, a lowest point of 29.59inHg at 8 PM with an avg 29.67inHg.
Winthrop, MN Weather – 8-31 – Overcast
96° / 72°
Overcast
Skies will be overcast in Winthrop, with a high of 96°F and a low of 72°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 30mph at 1 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 83% at 6 AM and 13% being its lowest at 3 PM. Barometric pressure is its highest of 29.78inHg at 10 PM, a lowest point of 29.65inHg at 2 AM with an avg 29.72inHg.
Winthrop, MN Weather – 9-1 – Overcast
94° / 67°
Overcast
Highs will reach 94°F with lows near 67°F in Winthrop, where cloud-filled skies are. Rainfall predicted to have a 65% chance with an estimated 0.19in. Wind will be moderate, blowing around 14mph on average and gusts of 24mph at 9 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 92% at 11 PM and 21% being its lowest at 12 PM. Barometric pressure is its highest of 29.87inHg at 8 AM, a lowest point of 29.73inHg at 4 PM with an avg 29.8inHg.
Winthrop, MN Weather – 9-2 – Sunny
88° / 60°
Sunny
Daytime highs will reach 88°F with lows dropping to 60°F in Winthrop, where bright and sunny conditions. Rainfall predicted to have a 57% chance with an estimated 0.09in. Winds will be light at 9mph and gusts of 14.3mph at 4 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 94% at 12 AM and 25% being its lowest at 4 PM. Barometric pressure is its highest of 29.96inHg at 10 AM, a lowest point of 29.84inHg at 12 AM with an avg 29.89inHg.

Currently

Overcast 73°F
29.93 inHg.
Barometer
62%
Humidity
ESE 13.7 mph
Wind
Overcast

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