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Markesan, WI Weather Tomorrow

Follow tomorrow's Markesan weather with an accurate 5 day outlook that includes 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 Markesan area.
Updated: Thu Sep 17th 2026 11:00 AM CDT
Markesan, WI Weather – 9-17 – Overcast
63° / 54°
Overcast
Overcast is in the forecast for Markesan, with a high of 63°F and a low of 54°F. Rainfall predicted to have a 51% chance with an estimated 0.02in. Winds will be light at 9mph and gusts of 14.3mph at 12 PM. High humidity with average of 82% is anticipated, the maximum being 91% at 11 PM and 77% being its lowest at 7 PM. Barometric pressure is its highest of 30.29inHg at 10 PM, a lowest point of 30.24inHg at 4 PM with an avg 30.27inHg.
Markesan, WI Weather – 9-18 – Overcast
63° / 54°

Weather Tomorrow

Overcast
Markesan may see overcast, with daytime highs of 63°F and overnight lows near 54°F. Rainfall predicted to have a 69% chance with an estimated 0.05in. Wind will be moderate, blowing around 18mph on average and gusts of 33.8mph at 10 PM. High humidity with average of 83% is anticipated, the maximum being 96% at 7 AM and 64% being its lowest at 4 PM. Barometric pressure is its highest of 30.32inHg at 7 AM, a lowest point of 30.07inHg at 11 PM with an avg 30.24inHg.
Markesan, WI Weather – 9-19 – Light Rain Shower
73° / 55°
Light Rain Shower
Markesan could see rain showers with daytime highs of 73°F and nighttime lows near 55°F. The chance of rain is 93% with an estimated 0.59in. Wind will be moderate, blowing around 17mph on average and gusts of 33.2mph at 12 AM. High humidity with average of 95% is anticipated, the maximum being 98% at 7 AM and 86% being its lowest at 12 PM. Barometric pressure is its highest of 30.04inHg at 12 AM, a lowest point of 29.8inHg at 3 PM with an avg 29.89inHg.
Markesan, WI Weather – 9-20 – Overcast
58° / 53°
Overcast
Markesan may see overcast, with daytime highs of 58°F and overnight lows near 53°F. The chance of rain is 76% with an estimated 0.06in. Wind will be moderate, blowing around 18mph on average and gusts of 30.9mph at 10 AM. High humidity with average of 90% is anticipated, the maximum being 98% at 7 AM and 73% being its lowest at 7 PM. Barometric pressure is its highest of 30.15inHg at 9 PM, a lowest point of 29.93inHg at 4 AM with an avg 30.01inHg.
Markesan, WI Weather – 9-21 – Light Rain Shower
56° / 51°
Light Rain Shower
In Markesan, rain showers are likely with a high near 56°F and a low around 51°F. The chance of rain is 91% with an estimated 0.38in. Wind will be moderate, blowing around 16mph on average and gusts of 31.4mph at 12 AM. High humidity with average of 91% is anticipated, the maximum being 98% at 4 AM and 74% being its lowest at 11 AM. Barometric pressure is its highest of 30.21inHg at 11 AM, a lowest point of 29.85inHg at 6 PM with an avg 29.99inHg.
Markesan, WI Weather – 9-22 – Fog
57° / 54°
Fog
In Markesan, fog is likely with a high near 57°F and a low around 54°F. Rainfall predicted to have a 71% chance with an estimated 0.03in. Winds will be light at 9mph and gusts of 17.4mph at 12 AM. High humidity with average of 96% is anticipated, the maximum being 99% at 4 AM and 90% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 11 PM, a lowest point of 29.84inHg at 4 AM with an avg 29.94inHg.

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