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Thornton, WI Weather Forecast
Thornton, WI Weather Forecast Dated: 252 PM Tue Sep 15 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Tuesday, September 15, 2026
Mid-Morning
62°F 16°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
65°F 18°C
Overcast
Pleasant near 69°F 21°C, overcast throughout the day, with lower humidity and barometric pressure rising. Winds turning from the SW to the WNW at 7 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
62°F 17°C
Partly Cloudy
Mildly cool near 67°F 19°C, overcast through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
64°F 18°C
Overcast
Comfortable at 61°F 16°C, overcast throughout the day, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
50°F 10°C
Light Showers
Early-Evening
50°F 10°C
Light Showers
Crisp with a high near 50°F 10°C, rounds of showers expected off and on all day, with steady humidity and barometric pressure falling. Winds switching from the ENE to the E at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.
Saturday, September 19, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Scattered Showers
Early-Evening
53°F 12°C
Scattered Showers
Brisk around 55°F 13°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the ENE to the NNE at 11 mph 17 km/h. Gusts up to 24 mph 38 km/h.
Sunday, September 20, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
58°F 15°C
Overcast
Mildly cool near 62°F 17°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the NE to the ENE at 12 mph 19 km/h. Gusts up to 26 mph 42 km/h.
Monday, September 21, 2026
Mid-Morning
52°F 11°C
Light Showers
Mid-Afternoon
54°F 12°C
Light Showers
Early-Evening
54°F 12°C
Light Showers
Chilly near 54°F 12°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds blowing from the E at 14 mph 23 km/h. Gusts up to 27 mph 44 km/h.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
55°F 13°C
Light Fog
Early-Evening
54°F 12°C
Scattered Showers
Crisp with a high near 55°F 13°C, scattered downpours possible, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
51°F 11°C
Light Fog
Mid-Afternoon
58°F 14°C
Light Fog
Early-Evening
56°F 13°C
Overcast
Refreshing around 58°F 14°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the WSW to the W at 13 mph 20 km/h. Gusts up to 29 mph 46 km/h.
Thursday, September 24, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
53°F 11°C
Scattered Showers
Cool and brisk at 55°F 13°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds switching from the WNW to the NNW at 12 mph 18 km/h. Gusts up to 22 mph 36 km/h.
Friday, September 25, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
57°F 14°C
Sunny
Comfortable at 60°F 16°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny throughout the day, with increasing humidity and steady pressure. Winds blowing from the SW at 9 mph 15 km/h.
Sunday, September 27, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
67°F 20°C
Scattered Showers
Enjoyable around 68°F 20°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds S at 15 mph 24 km/h. Gusts up to 28 mph 46 km/h.
Monday, September 28, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 16°C
Partly Cloudy
Mildly cool near 67°F 19°C, sunny throughout the day, with lower humidity and barometric pressure rising. Winds shifting from the WSW to the WNW at 13 mph 21 km/h. Gusts up to 29 mph 46 km/h.
Thornton, WI Weather Radar Map
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