Halfmoon Lake, IL 14 Day Weather
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Halfmoon Lake, IL Weather Forecast


Halfmoon Lake, IL Weather Forecast Dated: 1134 AM Wed Oct 07 2026
Expect a very warm period with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Wednesday, October 7, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm and summery near 89°F 32°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WSW to the NNW at 9 mph 14 km/h.
Thursday, October 8, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
72°F 22°C
Sunny
Balmy with temperatures reaching 85°F 30°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
71°F 21°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
78°F 26°C
Sunny
Sizzling hot with 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the S at 10 mph 15 km/h.
Saturday, October 10, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
61°F 16°C
Drizzle
Mild temperatures up to 77°F 25°C, drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure. Winds moving from the S to the NE at 14 mph 21 km/h. Gusts up to 28 mph 45 km/h.
Sunday, October 11, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
77°F 25°C
Sunny
Very warm with a high of 88°F 31°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, October 12, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
80°F 26°C
Sunny
Very hot with temperatures reaching 92°F 33°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SW to the SSW at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, October 13, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
69°F 21°C
Overcast
Balmy with temperatures reaching 80°F 27°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the WNW to the SE at 10 mph 16 km/h.
Wednesday, October 14, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 18°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the E to the ESE at 9 mph 15 km/h. Gusts up to 20 mph 31 km/h.
Thursday, October 15, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
81°F 27°C
Sunny
Hot temperatures near 90°F 32°C, sunny throughout the day, with increasing humidity and barometric pressure falling. Winds out of the S at 16 mph 26 km/h. Gusts up to 24 mph 39 km/h.
Friday, October 16, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Mild with a high of 77°F 25°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds moving from the SW to the NW at 13 mph 20 km/h. Gusts up to 23 mph 36 km/h.
Saturday, October 17, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
67°F 19°C
Partly Cloudy
Early-Evening
58°F 15°C
Sunny
Comfortable at 67°F 19°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the WNW to the NW at 9 mph 14 km/h.
Sunday, October 18, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
54°F 13°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WNW to the ESE at 9 mph 14 km/h.
Monday, October 19, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
56°F 13°C
Sunny
Refreshing around 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the WNW to the NNW at 4 mph 6 km/h.
Tuesday, October 20, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
61°F 16°C
Partly Cloudy
Mild temperatures up to 70°F 21°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
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