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Oswego, IL Weather Forecast
Oswego, IL Weather Forecast Dated: 740 AM Sat Nov 14 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. generally humid conditions and a stable pattern will dominate.
Saturday, November 14, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
45°F 7°C
Partly Cloudy
Early-Evening
36°F 2°C
Clear
Brisk around 45°F 7°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the NNW at 7 mph 12 km/h.
Sunday, November 15, 2026
Mid-Morning
38°F 3°C
Sunny
Mid-Afternoon
47°F 8°C
Sunny
Early-Evening
39°F 4°C
Clear
Cool and brisk at 47°F 8°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, November 16, 2026
Mid-Morning
40°F 4°C
Sunny
Mid-Afternoon
50°F 10°C
Sunny
Early-Evening
41°F 5°C
Overcast
Chilly near 50°F 10°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Tuesday, November 17, 2026
Mid-Morning
41°F 5°C
Partly Cloudy
Mid-Afternoon
53°F 12°C
Partly Cloudy
Early-Evening
43°F 6°C
Clear
Crisp with a high near 53°F 12°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds switching from the SSW to the S at 7 mph 11 km/h. Gusts up to 20 mph 31 km/h.
Wednesday, November 18, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
49°F 10°C
Overcast
Brisk around 56°F 13°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds S at 11 mph 17 km/h. Gusts up to 36 mph 58 km/h.
Thursday, November 19, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
52°F 11°C
Clear
Mildly cool near 58°F 14°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds easing from SW 14 mph 22 km/h to WSW 6 mph 11 km/h. Gusts up to 23 mph 36 km/h.
Friday, November 20, 2026
Mid-Morning
51°F 10°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
52°F 11°C
Overcast
Chilly near 56°F 13°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Saturday, November 21, 2026
Mid-Morning
52°F 11°C
Cloudy
Mid-Afternoon
58°F 15°C
Partly Cloudy
Early-Evening
55°F 13°C
Scattered Showers
Cool with a high near 58°F 15°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the S at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.
Sunday, November 22, 2026
Mid-Morning
48°F 9°C
Scattered Showers
Mid-Afternoon
49°F 9°C
Scattered Showers
Early-Evening
47°F 9°C
Scattered Showers
Brisk around 49°F 9°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the SW to the WSW at 9 mph 14 km/h. Gusts up to 23 mph 36 km/h.
Monday, November 23, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
47°F 9°C
Partly Cloudy
Early-Evening
42°F 6°C
Cloudy
Cool and brisk at 47°F 9°C, cloudy throughout the day, with steady humidity and barometric pressure rising. Winds switching from the WSW to the WNW at 11 mph 18 km/h. Gusts up to 24 mph 39 km/h.
Tuesday, November 24, 2026
Mid-Morning
40°F 5°C
Sunny
Mid-Afternoon
45°F 7°C
Partly Cloudy
Early-Evening
40°F 5°C
Partly Cloudy
Chilly near 45°F 7°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, November 25, 2026
Mid-Morning
42°F 5°C
Scattered Showers
Mid-Afternoon
45°F 7°C
Scattered Showers
Early-Evening
40°F 5°C
Cloudy
Crisp with a high near 45°F 7°C, locally heavy downpours at times, with steady humidity and steady pressure.
Thursday, November 26, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
43°F 6°C
Sunny
Early-Evening
37°F 3°C
Clear
Nippy around 43°F 6°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Friday, November 27, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
40°F 5°C
Overcast
Early-Evening
33°F 1°C
Cloudy
Biting cold near 40°F 5°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds blowing from the NE at 6 mph 10 km/h.
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