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Harmony, IL Weather Forecast
Harmony, IL Weather Forecast Dated: 658 PM Mon Oct 19 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.
Monday, October 19, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
68°F 20°C
Cloudy
Early-Evening
60°F 16°C
Overcast
Pleasant near 68°F 20°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
61°F 16°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
58°F 14°C
Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 73°F 23°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Thursday, October 22, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild temperatures up to 74°F 24°C, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild with a high of 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SSE to the SE at 9 mph 14 km/h.
Saturday, October 24, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
66°F 19°C
Overcast
Pleasant near 74°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds blowing from the S at 10 mph 17 km/h.
Sunday, October 25, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
65°F 18°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the SW to the ESE at 8 mph 12 km/h.
Monday, October 26, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Cloudy
Early-Evening
58°F 14°C
Overcast
Cool with a high near 64°F 18°C, scattered downpours possible, with lower humidity and steady pressure.
Tuesday, October 27, 2026
Mid-Morning
45°F 7°C
Drizzle
Mid-Afternoon
50°F 10°C
Scattered Showers
Early-Evening
45°F 8°C
Partly Cloudy
Brisk around 50°F 10°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the NE to the N at 13 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Wednesday, October 28, 2026
Mid-Morning
35°F 1°C
Sunny
Mid-Afternoon
43°F 6°C
Sunny
Early-Evening
37°F 3°C
Sunny
Nippy around 43°F 6°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the ESE to the NNW at 8 mph 12 km/h.
Thursday, October 29, 2026
Mid-Morning
35°F 2°C
Sunny
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
42°F 6°C
Sunny
Chilly near 48°F 9°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Friday, October 30, 2026
Mid-Morning
40°F 4°C
Sunny
Mid-Afternoon
56°F 14°C
Sunny
Early-Evening
49°F 10°C
Sunny
Crisp with a high near 56°F 14°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds SSW at 15 mph 24 km/h. Gusts up to 26 mph 42 km/h.
Saturday, October 31, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
56°F 13°C
Overcast
Refreshing around 63°F 17°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the SW at 15 mph 24 km/h. Gusts up to 23 mph 37 km/h.
Sunday, November 1, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
56°F 14°C
Overcast
Mildly cool near 62°F 17°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the SW to the N at 3 mph 4 km/h.
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