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Oregon, IL Weather Forecast
Oregon, IL Weather Forecast Dated: 352 PM Tue Oct 20 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.
Tuesday, October 20, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
56°F 14°C
Sunny
Refreshing around 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable with temperatures reaching 69°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Thursday, October 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
61°F 16°C
Sunny
Enjoyable around 70°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
60°F 16°C
Partly Cloudy
Mild temperatures up to 70°F 21°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds out of the S at 9 mph 14 km/h.
Saturday, October 24, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
69°F 21°C
Cloudy
Early-Evening
60°F 16°C
Overcast
Mild with a high of 69°F 21°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the S at 13 mph 22 km/h. Gusts up to 22 mph 35 km/h.
Sunday, October 25, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
62°F 17°C
Overcast
Pleasant near 69°F 21°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the SW to the NNW at 4 mph 6 km/h.
Monday, October 26, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
64°F 18°C
Cloudy
Early-Evening
52°F 12°C
Overcast
Comfortable at 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 14 mph 22 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, October 27, 2026
Mid-Morning
44°F 7°C
Drizzle
Mid-Afternoon
44°F 6°C
Scattered Showers
Early-Evening
45°F 7°C
Scattered Showers
Biting cold near 44°F 6°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the NNE at 12 mph 19 km/h. Gusts up to 20 mph 31 km/h.
Wednesday, October 28, 2026
Mid-Morning
42°F 6°C
Drizzle
Mid-Afternoon
39°F 4°C
Light Rain
Early-Evening
40°F 5°C
Scattered Showers
Cold with a high near 39°F 4°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds NW at 16 mph 25 km/h. Gusts up to 25 mph 40 km/h.
Thursday, October 29, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
44°F 7°C
Sunny
Early-Evening
37°F 3°C
Clear
Nippy around 44°F 7°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NW at 13 mph 21 km/h.
Friday, October 30, 2026
Mid-Morning
35°F 1°C
Sunny
Mid-Afternoon
46°F 8°C
Partly Cloudy
Early-Evening
40°F 5°C
Clear
Chilly near 46°F 8°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds moving from the ESE to the SSE at 10 mph 16 km/h. Gusts up to 23 mph 37 km/h.
Saturday, October 31, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
48°F 9°C
Scattered Showers
Crisp with a high near 51°F 11°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds S at 15 mph 23 km/h. Gusts up to 34 mph 55 km/h.
Sunday, November 1, 2026
Mid-Morning
54°F 12°C
Nearby Thunderstorms
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
63°F 17°C
Nearby Thunderstorms
Refreshing around 62°F 17°C, periods of heavy thunderstorms, with increasing humidity and steady pressure. Winds shifting from the S to the SSW at 17 mph 28 km/h. Gusts up to 34 mph 55 km/h.
Monday, November 2, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
50°F 10°C
Sunny
Early-Evening
41°F 5°C
Clear
Cool and brisk at 50°F 10°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure rising. Winds tapering down from NNW 17 mph 27 km/h to NW 8 mph 14 km/h. Gusts up to 23 mph 37 km/h.
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