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Ontario, WI Weather Forecast
Ontario, WI Weather Forecast Dated: 553 AM Wed Oct 28 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.
Wednesday, October 28, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
63°F 17°C
Clear
Refreshing around 64°F 18°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds picking up from S at 7 mph 11 km/h to SSW at 16 mph 26 km/h. Gusts up to 37 mph 60 km/h.
Thursday, October 29, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
46°F 8°C
Clear
Mildly cool near 59°F 15°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds switching from the NW to the NNW at 7 mph 11 km/h.
Friday, October 30, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
49°F 10°C
Overcast
Chilly near 53°F 12°C, overcast throughout the day, with steady humidity and steady pressure.
Saturday, October 31, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
52°F 11°C
Overcast
Cool with a high near 60°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the ESE to the SE at 6 mph 9 km/h.
Sunday, November 1, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
53°F 12°C
Scattered Showers
Refreshing around 63°F 17°C, scattered downpours possible, with steady humidity and barometric pressure falling.
Monday, November 2, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
59°F 15°C
Scattered Showers
Early-Evening
56°F 13°C
Overcast
Mildly cool near 59°F 15°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 10 mph 16 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, November 3, 2026
Mid-Morning
56°F 13°C
Drizzle
Mid-Afternoon
57°F 14°C
Drizzle
Early-Evening
53°F 12°C
Light Rain
Chilly near 57°F 14°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds blowing from the NE at 7 mph 12 km/h. Gusts up to 23 mph 37 km/h.
Wednesday, November 4, 2026
Mid-Morning
51°F 11°C
Overcast
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
52°F 11°C
Overcast
Crisp with a high near 56°F 13°C, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the ENE to the NNW at 8 mph 12 km/h.
Thursday, November 5, 2026
Mid-Morning
44°F 7°C
Drizzle
Mid-Afternoon
45°F 7°C
Partly Cloudy
Early-Evening
40°F 4°C
Clear
Brisk around 45°F 7°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure rising. Winds out of the NNW at 11 mph 17 km/h. Gusts up to 28 mph 44 km/h.
Friday, November 6, 2026
Mid-Morning
39°F 4°C
Sunny
Mid-Afternoon
45°F 7°C
Sunny
Early-Evening
38°F 4°C
Partly Cloudy
Cool and brisk at 45°F 7°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Saturday, November 7, 2026
Mid-Morning
43°F 6°C
Cloudy
Mid-Afternoon
50°F 10°C
Partly Cloudy
Early-Evening
43°F 7°C
Partly Cloudy
Chilly near 50°F 10°C, cloudy throughout the day, with steady humidity and steady pressure. Winds blowing from the SSW at 10 mph 16 km/h.
Sunday, November 8, 2026
Mid-Morning
45°F 7°C
Partly Cloudy
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
47°F 9°C
Scattered Showers
Crisp with a high near 52°F 11°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds swinging from the S to the SSW at 7 mph 11 km/h. Gusts up to 21 mph 33 km/h.
Monday, November 9, 2026
Mid-Morning
48°F 9°C
Cloudy
Mid-Afternoon
49°F 10°C
Overcast
Early-Evening
45°F 7°C
Overcast
Brisk around 49°F 10°C, overcast throughout the day, with steady humidity and steady pressure.
Tuesday, November 10, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
47°F 8°C
Light Rain
Early-Evening
47°F 8°C
Light Rain
Cool and brisk at 47°F 8°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure falling. Winds shifting from the SW to the W at 9 mph 14 km/h. Gusts up to 23 mph 36 km/h.
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