Greene County, IL 14 Day Weather - WeatherWorld.com
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Greene County, IL Weather Forecast


Greene County, IL Weather Forecast Dated: 831 PM Wed Sep 30 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Wednesday, September 30, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
81°F 27°C
Partly Cloudy
Warm and summery near 81°F 27°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the S to the SE at 7 mph 11 km/h.
Thursday, October 1, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
67°F 20°C
Light Rain
Balmy with temperatures reaching 84°F 29°C, scattered downpours possible, with increasing humidity and steady pressure. Winds switching from the SSW to the N at 14 mph 22 km/h. Gusts up to 26 mph 42 km/h.
Friday, October 2, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
64°F 18°C
Sunny
Enjoyable around 72°F 22°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the NNE to the NE at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Saturday, October 3, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 75°F 24°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the E at 7 mph 12 km/h.
Sunday, October 4, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
67°F 20°C
Sunny
Mild with a high of 75°F 24°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with increasing humidity and steady pressure. Winds shifting from the N to the NNE at 10 mph 16 km/h.
Monday, October 5, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 67°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 8 mph 13 km/h.
Tuesday, October 6, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
66°F 19°C
Partly Cloudy
Early-Evening
60°F 16°C
Sunny
Comfortable at 66°F 19°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds switching from the ESE to the SE at 8 mph 13 km/h.
Wednesday, October 7, 2026
Mid-Morning
58°F 15°C
Cloudy
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
68°F 20°C
Overcast
Enjoyable around 74°F 24°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the SSW to the NW at 8 mph 13 km/h.
Thursday, October 8, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
64°F 18°C
Overcast
Mild temperatures up to 72°F 22°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild with a high of 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 8 mph 13 km/h.
Saturday, October 10, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 77°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Sunday, October 11, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the S at 9 mph 14 km/h.
Monday, October 12, 2026
Mid-Morning
67°F 20°C
Partly Cloudy
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Partly Cloudy
Quite warm around 82°F 28°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Tuesday, October 13, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure.
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