Plainville, IL 14 Day Weather - 62365 WeatherWorld.com
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Plainville, IL Weather Forecast


Plainville, IL Weather Forecast Dated: 1221 PM Sat Sep 12 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, September 12, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Partly Cloudy
Early-Evening
83°F 28°C
Sunny
Warm and summery around 89°F 32°C (feels like 95°F 35°C), sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the SW to the NNE at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
74°F 23°C
Cloudy
Comfortable with temperatures reaching 79°F 26°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the NNE to the ENE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 14, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
81°F 27°C
Sunny
Enjoyable around 75°F 24°C, overcast through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the ESE to the SE at 13 mph 22 km/h. Gusts up to 28 mph 45 km/h.
Tuesday, September 15, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
84°F 29°C
Partly Cloudy
Warm temperatures up to 88°F 31°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SW to the E at 5 mph 8 km/h.
Wednesday, September 16, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
76°F 24°C
Scattered Showers
Quite warm reaching 82°F 28°C, feeling like 85°F 30°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the E to the NE at 9 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
69°F 21°C
Light Showers
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
75°F 24°C
Scattered Showers
Pleasant near 77°F 25°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the NE to the WSW at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
87°F 31°C
Scattered Showers
Early-Evening
75°F 24°C
Overcast
Balmy with temperatures reaching 87°F 31°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the WNW at 9 mph 14 km/h.
Saturday, September 19, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
64°F 18°C
Scattered Showers
Enjoyable around 68°F 20°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the NW to the NNE at 12 mph 20 km/h. Gusts up to 22 mph 36 km/h.
Sunday, September 20, 2026
Mid-Morning
61°F 16°C
Light Fog
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
67°F 20°C
Sunny
Mild temperatures up to 74°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the NE to the ENE at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild with a high of 75°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
83°F 29°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm and summery near 83°F 29°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the SW at 11 mph 17 km/h.
Wednesday, September 23, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the E to the ESE at 9 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 24, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the NE to the ESE at 8 mph 12 km/h.
Friday, September 25, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Sunny
Sweltering heat reaching 100°F 38°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the S to the WSW at 10 mph 16 km/h.
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