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Wheaton High School, IL Weather Forecast
Wheaton High School, IL Weather Forecast Dated: 608 PM Wed Sep 09 2026
Expect a mild stretch with more clouds than sun 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 9, 2026
Mid-Morning
70°F 21°C
Rain
Mid-Afternoon
78°F 26°C
Rain
Early-Evening
74°F 24°C
Scattered Showers
Pleasant near 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the NW at 6 mph 10 km/h.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
70°F 21°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
72°F 22°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the S at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
76°F 25°C
Scattered Showers
Warm and summery around 80°F 27°C (feels like 83°F 29°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds moving from the SSW to the NNW at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
65°F 18°C
Cloudy
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
70°F 21°C
Overcast
Mild with a high of 75°F 24°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the NE to the ENE at 9 mph 14 km/h.
Monday, September 14, 2026
Mid-Morning
68°F 20°C
Light Fog
Mid-Afternoon
77°F 25°C
Light Showers
Early-Evening
78°F 26°C
Nearby Thunderstorms
Pleasant near 77°F 25°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. A stray shower or storm late in the day. Winds shifting from the SSW to the SW at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
63°F 17°C
Overcast
Comfortable at 67°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the NNW to the SE at 6 mph 10 km/h.
Wednesday, September 16, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
62°F 17°C
Cloudy
Cool with a high near 65°F 18°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the ENE to the NE at 7 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
64°F 18°C
Overcast
Refreshing around 65°F 18°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
71°F 22°C
Partly Cloudy
Mild with a high of 73°F 23°C, partly cloudy through the afternoon, turning overcast this evening, with increasing humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
66°F 19°C
Heavy Rain
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
76°F 25°C
Partly Cloudy
Pleasant near 79°F 26°C, scattered morning showers before drying out later, with steady humidity and steady pressure. Winds moving from the SW to the NE at 8 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
68°F 20°C
Fog
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
68°F 21°C
Scattered Showers
Comfortable with temperatures reaching 71°F 22°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the NE to the E at 9 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
65°F 19°C
Light Showers
Mid-Afternoon
67°F 19°C
Light Fog
Early-Evening
66°F 19°C
Scattered Showers
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the E to the ENE at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
65°F 18°C
Fog
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
68°F 20°C
Light Showers
Mild temperatures up to 69°F 21°C, scattered downpours possible, with steady humidity and steady pressure.
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