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Round Lake, IL 14 Day Weather - 60020 WeatherWorld.com
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Round Lake, IL Weather Forecast
Round Lake, IL Weather Forecast Dated: 815 PM Sat Oct 17 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.
Saturday, October 17, 2026
Mid-Morning
42°F 5°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
49°F 9°C
Sunny
Brisk around 55°F 13°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NW to the SW at 8 mph 12 km/h.
Sunday, October 18, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
54°F 12°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the SSW at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.
Monday, October 19, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
57°F 14°C
Overcast
Comfortable at 65°F 18°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
56°F 13°C
Smoky Haze
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
56°F 13°C
Sunny
Cool with a high near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mild with a high of 68°F 20°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Thursday, October 22, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
69°F 21°C
Partly Cloudy
Early-Evening
62°F 17°C
Clear
Pleasant near 69°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Overcast
Comfortable with temperatures reaching 70°F 21°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Saturday, October 24, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
64°F 18°C
Overcast
Cool with a high near 67°F 20°C, overcast throughout the day, with steady humidity and steady pressure. Winds SSW at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Sunday, October 25, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
68°F 20°C
Overcast
Mild temperatures up to 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the WSW at 11 mph 18 km/h. Gusts up to 27 mph 44 km/h.
Monday, October 26, 2026
Mid-Morning
57°F 14°C
Light Rain
Mid-Afternoon
54°F 12°C
Drizzle
Early-Evening
54°F 12°C
Overcast
Cool and brisk at 54°F 12°C, intermittent showers through midday, easing by evening, with steady humidity and steady pressure.
Tuesday, October 27, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
51°F 10°C
Sunny
Early-Evening
47°F 9°C
Clear
Chilly near 51°F 10°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 7 mph 11 km/h.
Wednesday, October 28, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
52°F 12°C
Cloudy
Crisp with a high near 55°F 13°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds SE at 9 mph 14 km/h.
Thursday, October 29, 2026
Mid-Morning
47°F 8°C
Light Rain
Mid-Afternoon
53°F 12°C
Scattered Showers
Early-Evening
57°F 14°C
Cloudy
Brisk around 53°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the S to the SSW at 10 mph 15 km/h. Gusts up to 27 mph 44 km/h.
Friday, October 30, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
63°F 17°C
Drizzle
Mildly cool near 64°F 18°C, mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds moving from the SSW to the S at 13 mph 21 km/h. Gusts up to 31 mph 49 km/h.
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