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


Greenbush, IL Weather Forecast Dated: 1026 AM Wed Sep 16 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 16, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
77°F 25°C
Cloudy
Early-Evening
74°F 23°C
Sunny
Pleasant near 77°F 25°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
78°F 26°C
Nearby Thunderstorms
Quite warm reaching 86°F 30°C, feeling like 91°F 33°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
83°F 28°C
Sunny
Very warm near 86°F 30°C, though humidity makes it feel like 92°F 33°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds out of the SE at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
76°F 24°C
Scattered Showers
Mild temperatures up to 77°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds switching from the SW to the ESE at 5 mph 8 km/h.
Sunday, September 20, 2026
Mid-Morning
71°F 22°C
Scattered Showers
Mid-Afternoon
74°F 23°C
Scattered Showers
Early-Evening
70°F 21°C
Scattered Showers
Mild with a high of 74°F 23°C, scattered downpours possible, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
75°F 24°C
Scattered Showers
Early-Evening
72°F 23°C
Overcast
Pleasant near 75°F 24°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the S to the NE at 5 mph 8 km/h.
Tuesday, September 22, 2026
Mid-Morning
65°F 18°C
Light Fog
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the WNW to the SE at 5 mph 8 km/h.
Wednesday, September 23, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
74°F 24°C
Overcast
Quite warm around 81°F 27°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the SW at 12 mph 19 km/h. Gusts up to 22 mph 36 km/h.
Thursday, September 24, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
57°F 14°C
Partly Cloudy
Refreshing around 63°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the WNW to the NW at 14 mph 23 km/h. Gusts up to 27 mph 44 km/h.
Friday, September 25, 2026
Mid-Morning
54°F 12°C
Light Fog
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 74°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSE to the SE at 8 mph 13 km/h.
Sunday, September 27, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
73°F 23°C
Partly Cloudy
Balmy with temperatures reaching 81°F 27°C, cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 9 mph 14 km/h.
Monday, September 28, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
83°F 29°C
Partly Cloudy
Quite warm around 87°F 30°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds S at 13 mph 21 km/h. Gusts up to 26 mph 42 km/h.
Tuesday, September 29, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
61°F 16°C
Light Showers
Early-Evening
61°F 17°C
Light Showers
Mildly cool near 61°F 16°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds shifting from the SW to the NW at 5 mph 7 km/h.
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