Weather WorldColchester, IL 14 Day Weather - 62326 WeatherWorld.com
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Colchester, IL Weather Forecast
Colchester, IL Weather Forecast Dated: 605 PM Sun Sep 27 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 27, 2026
Mid-Morning
58°F 14°C
Light Showers
Mid-Afternoon
62°F 16°C
Overcast
Early-Evening
63°F 17°C
Overcast
Refreshing around 62°F 16°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Partly Cloudy
Early-Evening
74°F 24°C
Partly Cloudy
Enjoyable around 78°F 26°C, partly cloudy through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SE at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Wednesday, September 30, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
82°F 28°C
Partly Cloudy
Warm temperatures up to 84°F 29°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the S to the SSW at 13 mph 21 km/h. Gusts up to 29 mph 46 km/h.
Thursday, October 1, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
76°F 25°C
Light Showers
Early-Evening
74°F 23°C
Light Showers
Mild with a high of 76°F 25°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds moving from the SW to the W at 4 mph 6 km/h.
Friday, October 2, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
63°F 17°C
Light Showers
Pleasant near 68°F 20°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds picking up from S at 3 mph 5 km/h to NE at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.
Saturday, October 3, 2026
Mid-Morning
60°F 15°C
Scattered Showers
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
63°F 18°C
Overcast
Comfortable at 65°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the ENE to the E at 10 mph 15 km/h.
Sunday, October 4, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
60°F 16°C
Scattered Showers
Enjoyable around 69°F 21°C, scattered downpours possible, with lower humidity and steady pressure. Winds increasing from the WSW at 3 mph 5 km/h to NNW at 21 mph 34 km/h. Gusts up to 32 mph 51 km/h.
Monday, October 5, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
50°F 10°C
Sunny
Brisk around 53°F 12°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NNW to the ESE at 7 mph 11 km/h.
Tuesday, October 6, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
54°F 12°C
Sunny
Mildly cool near 59°F 15°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the SSE to the S at 9 mph 14 km/h.
Wednesday, October 7, 2026
Mid-Morning
51°F 11°C
Cloudy
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
62°F 16°C
Overcast
Comfortable at 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the WNW at 6 mph 10 km/h.
Thursday, October 8, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
45°F 8°C
Scattered Showers
Crisp with a high near 53°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the NW at 14 mph 22 km/h. Gusts up to 23 mph 38 km/h.
Friday, October 9, 2026
Mid-Morning
39°F 4°C
Partly Cloudy
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
44°F 7°C
Sunny
Brisk around 48°F 9°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NNW to the W at 9 mph 13 km/h.
Saturday, October 10, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
60°F 15°C
Overcast
Early-Evening
52°F 12°C
Overcast
Mildly cool near 60°F 15°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the WSW to the NW at 11 mph 18 km/h. Gusts up to 25 mph 40 km/h.
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