Grettum School, WI 14 Day Weather
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Grettum School, WI Weather Forecast


Grettum School, WI Weather Forecast Dated: 849 AM Tue Sep 01 2026 (Grettum School Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the next two weeks. moderate humidity and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
68°F 20°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
83°F 29°C
Overcast
Very hot with temperatures reaching 91°F 33°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the W to the N at 10 mph 16 km/h.
Wednesday, September 2, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
80°F 27°C
Partly Cloudy
Balmy with temperatures reaching 86°F 30°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Thursday, September 3, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
90°F 32°C
Nearby Thunderstorms
Early-Evening
85°F 29°C
Nearby Thunderstorms
Sizzling hot with 90°F 32°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds blowing from the SE at 8 mph 13 km/h. Gusts up to 21 mph 34 km/h.
Friday, September 4, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
83°F 28°C
Nearby Thunderstorms
Warm and summery around 88°F 31°C (feels like 91°F 33°C), periods of heavy thunderstorms, with lower humidity and steady pressure. Winds moving from the ESE to the NE at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 5, 2026
Mid-Morning
71°F 22°C
Fog
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
84°F 29°C
Sunny
Very hot with a high of 90°F 32°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the ESE to the SE at 10 mph 15 km/h.
Sunday, September 6, 2026
Mid-Morning
70°F 21°C
Fog
Mid-Afternoon
87°F 30°C
Cloudy
Early-Evening
82°F 28°C
Overcast
Warm and summery near 87°F 30°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SSE at 12 mph 20 km/h.
Monday, September 7, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
86°F 30°C
Overcast
Hot and sweltering around 97°F 36°C, overcast through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the SSW to the ENE at 11 mph 18 km/h. Gusts up to 20 mph 31 km/h.
Tuesday, September 8, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
78°F 25°C
Cloudy
Sizzling hot with 94°F 35°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the ENE to the NE at 10 mph 16 km/h.
Wednesday, September 9, 2026
Mid-Morning
76°F 25°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm temperatures up to 88°F 31°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the E to the NW at 12 mph 19 km/h. Gusts up to 21 mph 35 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild with a high of 79°F 26°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the WNW to the NW at 12 mph 19 km/h.
Friday, September 11, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Warm and summery near 80°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the WNW to the N at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
78°F 25°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the ESE to the SSE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.
Sunday, September 13, 2026
Mid-Morning
68°F 20°C
Cloudy
Mid-Afternoon
85°F 30°C
Light Showers
Early-Evening
69°F 20°C
Scattered Showers
Quite warm around 85°F 30°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the SSE to the NW at 15 mph 24 km/h. Gusts up to 31 mph 49 km/h.
Monday, September 14, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 69°F 21°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the WNW to the NW at 10 mph 16 km/h.
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