Foster, WI 14 Day Weather - WeatherWorld.com
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Foster, WI Weather Forecast


Foster, WI Weather Forecast Dated: 635 AM Tue Sep 08 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, September 8, 2026
Mid-Morning
66°F 19°C
Heavy Rain
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
72°F 22°C
Scattered Showers
Pleasant near 70°F 21°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds out of the SSW at 15 mph 24 km/h. Gusts up to 22 mph 36 km/h.
Wednesday, September 9, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
83°F 29°C
Sunny
Early-Evening
74°F 24°C
Sunny
Balmy with temperatures reaching 83°F 29°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds building from W at 4 mph 7 km/h to NNW at 12 mph 20 km/h. Gusts up to 25 mph 40 km/h.
Thursday, September 10, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 77°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
58°F 15°C
Light Showers
Mid-Afternoon
63°F 17°C
Light Showers
Early-Evening
70°F 21°C
Nearby Thunderstorms
Cool with a high near 63°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds increasing from the SSE at 5 mph 8 km/h to SSE at 13 mph 21 km/h. Gusts up to 28 mph 45 km/h.
Saturday, September 12, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
72°F 22°C
Sunny
Mild with a high of 75°F 24°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the NW to the E at 5 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
77°F 25°C
Overcast
Pleasant near 76°F 25°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds shifting from the SE to the NE at 5 mph 8 km/h.
Monday, September 14, 2026
Mid-Morning
67°F 19°C
Fog
Mid-Afternoon
63°F 17°C
Light Showers
Early-Evening
58°F 15°C
Scattered Showers
Comfortable at 63°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the S to the WNW at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, September 15, 2026
Mid-Morning
44°F 7°C
Overcast
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
49°F 10°C
Overcast
Crisp with a high near 51°F 11°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds switching from the WNW to the NNW at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the W to the SW at 5 mph 7 km/h.
Thursday, September 17, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
62°F 16°C
Partly Cloudy
Mildly cool near 66°F 19°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the S at 13 mph 21 km/h. Gusts up to 28 mph 45 km/h.
Friday, September 18, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
50°F 10°C
Scattered Showers
Comfortable at 60°F 16°C, scattered downpours possible, with increasing humidity and steady pressure. Winds shifting from the SSW to the N at 13 mph 22 km/h. Gusts up to 26 mph 41 km/h.
Saturday, September 19, 2026
Mid-Morning
42°F 6°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
49°F 10°C
Sunny
Crisp with a high near 55°F 13°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNW to the ESE at 5 mph 8 km/h.
Sunday, September 20, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
60°F 15°C
Sunny
Early-Evening
54°F 12°C
Sunny
Refreshing around 60°F 15°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds SSW at 10 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
61°F 17°C
Sunny
Mildly cool near 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SSW to the SSE at 8 mph 13 km/h.
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