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Siren, WI Weather Forecast


Siren, WI Weather Forecast Dated: 709 AM Fri Sep 11 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 11, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
78°F 25°C
Scattered Showers
Warm and summery near 83°F 28°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds out of the S at 19 mph 31 km/h. Gusts up to 34 mph 54 km/h.
Saturday, September 12, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
64°F 18°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure rising. Winds switching from the NNW to the N at 9 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
61°F 16°C
Partly Cloudy
Comfortable at 66°F 19°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Light Showers
Early-Evening
57°F 14°C
Light Showers
Crisp with a high near 52°F 11°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds moving from the SE to the S at 16 mph 25 km/h. Gusts up to 36 mph 58 km/h.
Tuesday, September 15, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild with a high of 69°F 21°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds swinging from the WNW to the NNW at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
63°F 17°C
Cloudy
Mildly cool near 65°F 19°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds blowing from the WNW at 9 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Sunny
Early-Evening
56°F 13°C
Sunny
Comfortable at 60°F 15°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the NNW to the SW at 3 mph 5 km/h.
Friday, September 18, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
73°F 23°C
Sunny
Enjoyable around 73°F 23°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds out of the SW at 13 mph 20 km/h. Gusts up to 20 mph 31 km/h.
Saturday, September 19, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 18°C
Partly Cloudy
Mild temperatures up to 73°F 23°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the ENE to the NE at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild with a high of 78°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
66°F 19°C
Cloudy
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
71°F 21°C
Overcast
Pleasant near 78°F 26°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds S at 18 mph 29 km/h. Gusts up to 29 mph 47 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
56°F 13°C
Light Showers
Early-Evening
56°F 14°C
Light Showers
Crisp with a high near 56°F 13°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds easing from SSW 13 mph 21 km/h to WSW 5 mph 8 km/h.
Wednesday, September 23, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
60°F 16°C
Cloudy
Early-Evening
56°F 13°C
Overcast
Refreshing around 60°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure rising. Winds blowing from the NNE at 12 mph 19 km/h.
Thursday, September 24, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
49°F 10°C
Overcast
Cool and brisk at 52°F 11°C, overcast throughout the day, with steady humidity and steady pressure. Winds ENE at 14 mph 22 km/h. Gusts up to 22 mph 35 km/h.
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