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


Greene, IL Weather Forecast Dated: 822 PM Wed Sep 02 2026 (Greene Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 2, 2026
Mid-Morning
80°F 27°C
Cloudy
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
87°F 31°C
Sunny
Sizzling hot near 95°F 35°C with a heat index reaching 105°F 40°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the SE at 11 mph 16 km/h. Gusts up to 21 mph 33 km/h.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
81°F 27°C
Overcast
Hot and sweltering around 92°F 33°C (heat index 98°F 37°C), locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the SW to the ENE at 11 mph 18 km/h.
Friday, September 4, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
88°F 32°C
Nearby Thunderstorms
Very hot with a high of 92°F 33°C, feeling closer to 98°F 36°C in the humidity, heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds moving from the NNW to the SSE at 8 mph 12 km/h.
Saturday, September 5, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
87°F 31°C
Nearby Thunderstorms
Sizzling hot near 94°F 35°C with a heat index reaching 98°F 37°C, periods of heavy thunderstorms, with steady humidity and steady pressure. Winds swinging from the WNW to the ENE at 8 mph 12 km/h.
Sunday, September 6, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
84°F 29°C
Cloudy
Early-Evening
76°F 25°C
Sunny
Quite warm reaching 84°F 29°C, feeling like 87°F 30°C during peak afternoon, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the ESE at 11 mph 17 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
79°F 26°C
Overcast
Warm and summery near 81°F 27°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds SE at 11 mph 18 km/h. Gusts up to 25 mph 39 km/h.
Tuesday, September 8, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
98°F 37°C
Partly Cloudy
Early-Evening
93°F 34°C
Cloudy
Sizzling hot near 98°F 37°C with a heat index reaching 101°F 39°C, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SSW to the S at 11 mph 17 km/h. Gusts up to 24 mph 38 km/h.
Wednesday, September 9, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
92°F 33°C
Overcast
Early-Evening
87°F 30°C
Overcast
Hot and sweltering around 92°F 33°C (heat index 96°F 36°C), cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Light Showers
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 26°C
Overcast
Very warm near 84°F 29°C, though humidity makes it feel like 88°F 31°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds blowing from the NE at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
83°F 28°C
Partly Cloudy
Warm and summery around 86°F 30°C (feels like 90°F 32°C), partly cloudy through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds SSE at 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.
Saturday, September 12, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
87°F 31°C
Overcast
Very hot with temperatures reaching 96°F 35°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the SSW at 16 mph 26 km/h. Gusts up to 25 mph 40 km/h.
Sunday, September 13, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
71°F 22°C
Light Showers
Early-Evening
74°F 23°C
Light Showers
Comfortable with temperatures reaching 71°F 22°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds tapering down from SW 19 mph 31 km/h to SE 4 mph 6 km/h.
Monday, September 14, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
64°F 18°C
Overcast
Refreshing around 67°F 20°C, overcast throughout the day, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
75°F 24°C
Sunny
Warm temperatures up to 81°F 27°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
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