Onalaska, WI 14 Day Weather - 54650 WeatherWorld.com
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Onalaska, WI Weather Forecast


Onalaska, WI Weather Forecast Dated: 352 AM Mon Sep 07 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Monday, September 7, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
70°F 21°C
Overcast
Pleasant near 71°F 21°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds out of the S at 7 mph 12 km/h. Gusts up to 27 mph 43 km/h.
Tuesday, September 8, 2026
Mid-Morning
63°F 17°C
Light Rain
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
73°F 23°C
Overcast
Balmy with temperatures reaching 80°F 27°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds switching from the SSE to the S at 8 mph 13 km/h. Gusts up to 22 mph 36 km/h.
Wednesday, September 9, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
76°F 24°C
Sunny
Quite warm around 87°F 31°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the NW to the WNW at 10 mph 16 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the N to the S at 5 mph 8 km/h.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
80°F 27°C
Nearby Thunderstorms
Very warm with a high of 88°F 31°C, locally heavy thunderstorms at times, with steady humidity and barometric pressure falling. Winds shifting from the S to the SE at 14 mph 22 km/h. Gusts up to 25 mph 41 km/h.
Saturday, September 12, 2026
Mid-Morning
66°F 19°C
Light Fog
Mid-Afternoon
67°F 20°C
Light Showers
Early-Evening
67°F 19°C
Light Showers
Mildly cool near 67°F 20°C, dry early, with showers continuing through afternoon and evening, with steady humidity and steady pressure. Winds turning from the SW to the NE at 5 mph 8 km/h.
Sunday, September 13, 2026
Mid-Morning
54°F 12°C
Heavy Rain Showers
Mid-Afternoon
53°F 12°C
Light Showers
Early-Evening
52°F 11°C
Light Showers
Chilly near 53°F 12°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds out of the NW at 11 mph 18 km/h. Gusts up to 25 mph 41 km/h.
Monday, September 14, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
57°F 14°C
Sunny
Cool with a high near 63°F 17°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds tapering down from NNW 12 mph 20 km/h to NW 4 mph 7 km/h.
Tuesday, September 15, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 15°C
Sunny
Refreshing around 67°F 19°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SE to the SSE at 7 mph 11 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 13°C
Light Fog
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild with a high of 69°F 21°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
64°F 18°C
Overcast
Pleasant near 71°F 22°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the S to the SSE at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
72°F 22°C
Sunny
Comfortable with temperatures reaching 78°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds SSW at 16 mph 25 km/h. Gusts up to 23 mph 37 km/h.
Saturday, September 19, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
76°F 24°C
Cloudy
Early-Evening
68°F 20°C
Light Showers
Enjoyable around 76°F 24°C, drier conditions through late afternoon before showers move in, with lower humidity and barometric pressure rising. Winds picking up from WSW at 4 mph 7 km/h to NNW at 13 mph 20 km/h. Gusts up to 23 mph 36 km/h.
Sunday, September 20, 2026
Mid-Morning
48°F 9°C
Cloudy
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
54°F 13°C
Sunny
Mildly cool near 62°F 17°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SSE to the ESE at 7 mph 11 km/h.
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