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Olympia Fields, IL Weather Forecast
Olympia Fields, IL Weather Forecast Dated: 550 PM Mon Oct 19 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable 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
Overcast
Refreshing around 66°F 19°C, sunny through the afternoon, turning overcast 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, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
56°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 steady 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, sunny throughout the day, with steady humidity and steady pressure.
Friday, October 23, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 18°C
Clear
Mild with a high of 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, October 24, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
63°F 18°C
Clear
Pleasant near 71°F 22°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds out of the SSE at 9 mph 15 km/h.
Sunday, October 25, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
64°F 17°C
Overcast
Comfortable with temperatures reaching 70°F 21°C, overcast throughout the day, with increasing humidity and steady pressure. Winds switching from the SSW to the NW at 7 mph 11 km/h.
Monday, October 26, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
54°F 13°C
Clear
Cool with a high near 63°F 17°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Tuesday, October 27, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
53°F 12°C
Scattered Showers
Early-Evening
47°F 9°C
Overcast
Brisk around 53°F 12°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the NE to the WSW at 11 mph 18 km/h.
Wednesday, October 28, 2026
Mid-Morning
38°F 4°C
Sunny
Mid-Afternoon
44°F 7°C
Sunny
Early-Evening
39°F 4°C
Clear
Nippy around 44°F 7°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the NW at 8 mph 13 km/h.
Thursday, October 29, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
41°F 5°C
Clear
Chilly near 48°F 9°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WNW to the W at 7 mph 11 km/h.
Friday, October 30, 2026
Mid-Morning
40°F 5°C
Sunny
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
48°F 9°C
Clear
Crisp with a high near 54°F 12°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds SSW at 14 mph 22 km/h. Gusts up to 30 mph 49 km/h.
Saturday, October 31, 2026
Mid-Morning
47°F 9°C
Overcast
Mid-Afternoon
61°F 16°C
Cloudy
Early-Evening
55°F 13°C
Overcast
Refreshing around 61°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds out of the SW at 15 mph 24 km/h. Gusts up to 30 mph 47 km/h.
Sunday, November 1, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
55°F 13°C
Overcast
Mildly cool near 61°F 16°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the SW to the NNE at 6 mph 9 km/h.
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