Weather WorldAlgonquin Park, IL 14 Day Weather
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Algonquin Park, IL Weather Forecast
Algonquin Park, IL Weather Forecast Dated: 904 AM Mon Oct 19 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.
Monday, October 19, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
58°F 14°C
Partly Cloudy
Refreshing around 66°F 19°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
55°F 13°C
Smoky Haze
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
61°F 16°C
Clear
Enjoyable around 69°F 21°C, sunny throughout the day, with lower humidity and steady pressure.
Thursday, October 22, 2026
Mid-Morning
59°F 15°C
Smoky Haze
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
63°F 17°C
Clear
Mild temperatures up to 71°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 17°C
Cloudy
Mild with a high of 72°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Saturday, October 24, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
64°F 18°C
Cloudy
Pleasant near 71°F 22°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the SSE to the S at 8 mph 13 km/h.
Sunday, October 25, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
63°F 17°C
Overcast
Comfortable with temperatures reaching 69°F 21°C, overcast throughout the day, with increasing humidity and steady pressure. Winds switching from the SW to the NW at 7 mph 11 km/h.
Monday, October 26, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
59°F 15°C
Drizzle
Cool with a high near 60°F 16°C, mainly dry until evening showers arrive, with increasing humidity and barometric pressure falling. Winds moving from the ENE to the SSE at 7 mph 11 km/h.
Tuesday, October 27, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
47°F 8°C
Drizzle
Brisk around 55°F 13°C, dry most of the day, with showers developing late, with increasing humidity and steady pressure. Winds swinging from the SSW to the NNW at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.
Wednesday, October 28, 2026
Mid-Morning
34°F 1°C
Sunny
Mid-Afternoon
40°F 5°C
Sunny
Early-Evening
37°F 3°C
Clear
Nippy around 40°F 5°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NW to the WNW at 9 mph 14 km/h.
Thursday, October 29, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
42°F 6°C
Clear
Chilly near 48°F 9°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the W to the SW at 8 mph 13 km/h.
Friday, October 30, 2026
Mid-Morning
41°F 5°C
Overcast
Mid-Afternoon
50°F 10°C
Overcast
Early-Evening
47°F 9°C
Overcast
Crisp with a high near 50°F 10°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the SSW at 11 mph 18 km/h. Gusts up to 21 mph 35 km/h.
Saturday, October 31, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
49°F 9°C
Overcast
Brisk around 51°F 11°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the SSW to the S at 8 mph 12 km/h.
Sunday, November 1, 2026
Mid-Morning
47°F 8°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
48°F 9°C
Drizzle
Cool and brisk at 52°F 11°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the SW to the WNW at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
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