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Delavan IL Weather - Clear - 84°F
Clear
84°F
Updated 2:55 pm
Feels Like 85°F
Humidity 43%
Wind ESE 5 mph
Barometer  30.11 in
Dew Point 60°F
Delavan IL Weather - Clear - 29°C
Clear
29°C
Updated 2:55 pm
Feels Like 29°C
Humidity 43%
Wind ESE 8 km/h
Barometer  101.9 kPa
Dew Point 15°C
Delavan, IL Weather and Current Conditionsdelavan il weather forecast

Delavan, IL Weather Forecast

Delavan Illinois WeatherDelavan, Illinois Weather Weather Forecast
14 Day API Delavan, IL Weather Forecast. Note: Our 7 day Delavan, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Delavan, IL Weather Forecast Dated: 255 PM Mon Sep 07 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Monday, September 7, 2026

Mid-Morning
Delavan Weather - 2026-09-07 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Delavan Weather - 2026-09-07 - Afternoon - Sunny
85°F 30°C
Sunny
Early-Evening
Delavan Weather - 2026-09-07 - Evening - Sunny
72°F 22°C
Sunny
Warm and summery near 85°F 30°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the E to the ESE at 10 mph 15 km/h.

Tuesday, September 8, 2026

Mid-Morning
Delavan Weather - 2026-09-08 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Delavan Weather - 2026-09-08 - Afternoon - Cloudy
89°F 32°C
Cloudy
Early-Evening
Delavan Weather - 2026-09-08 - Evening - Overcast
85°F 29°C
Overcast
Balmy with temperatures reaching 89°F 32°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds blowing from the SSE at 10 mph 15 km/h. Gusts up to 23 mph 36 km/h.

Wednesday, September 9, 2026

Mid-Morning
Delavan Weather - 2026-09-09 - Morning - Light Showers
73°F 23°C
Light Showers
Mid-Afternoon
Delavan Weather - 2026-09-09 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Delavan Weather - 2026-09-09 - Evening - Overcast
78°F 25°C
Overcast
Quite warm around 82°F 28°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds moving from the W to the WNW at 2 mph 3 km/h.

Thursday, September 10, 2026

Mid-Morning
Delavan Weather - 2026-09-10 - Morning - Scattered Showers
69°F 21°C
Scattered Showers
Mid-Afternoon
Delavan Weather - 2026-09-10 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Delavan Weather - 2026-09-10 - Evening - Sunny
72°F 23°C
Sunny
Warm temperatures up to 82°F 28°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Delavan Weather - 2026-09-11 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Delavan Weather - 2026-09-11 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Delavan Weather - 2026-09-11 - Evening - Overcast
76°F 24°C
Overcast
Very warm with a high of 84°F 29°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the S to the SSE at 8 mph 13 km/h.

Saturday, September 12, 2026

Mid-Morning
Delavan Weather - 2026-09-12 - Morning - Sunny
75°F 24°C
Sunny
Mid-Afternoon
Delavan Weather - 2026-09-12 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Delavan Weather - 2026-09-12 - Evening - Sunny
82°F 27°C
Sunny
Warm and summery near 89°F 32°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 7 mph 11 km/h.

Sunday, September 13, 2026

Mid-Morning
Delavan Weather - 2026-09-13 - Morning - Partly Cloudy
79°F 26°C
Partly Cloudy
Mid-Afternoon
Delavan Weather - 2026-09-13 - Afternoon - Overcast
95°F 35°C
Overcast
Early-Evening
Delavan Weather - 2026-09-13 - Evening - Overcast
90°F 32°C
Overcast
Hot and sweltering around 95°F 35°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds S at 12 mph 19 km/h. Gusts up to 27 mph 44 km/h.

Monday, September 14, 2026

Mid-Morning
Delavan Weather - 2026-09-14 - Morning - Light Showers
79°F 26°C
Light Showers
Mid-Afternoon
Delavan Weather - 2026-09-14 - Afternoon - Scattered Showers
92°F 33°C
Scattered Showers
Early-Evening
Delavan Weather - 2026-09-14 - Evening - Sunny
72°F 22°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 96°F 35°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WSW to the NNW at 15 mph 24 km/h. Gusts up to 24 mph 39 km/h.

Tuesday, September 15, 2026

Mid-Morning
Delavan Weather - 2026-09-15 - Morning - Overcast
58°F 15°C
Overcast
Mid-Afternoon
Delavan Weather - 2026-09-15 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Delavan Weather - 2026-09-15 - Evening - Sunny
59°F 15°C
Sunny
Refreshing around 66°F 19°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ESE to the N at 11 mph 18 km/h.

Wednesday, September 16, 2026

Mid-Morning
Delavan Weather - 2026-09-16 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Delavan Weather - 2026-09-16 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Delavan Weather - 2026-09-16 - Evening - Sunny
62°F 16°C
Sunny
Mild with a high of 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds NE at 9 mph 14 km/h.

Thursday, September 17, 2026

Mid-Morning
Delavan Weather - 2026-09-17 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Delavan Weather - 2026-09-17 - Afternoon - Sunny
71°F 21°C
Sunny
Early-Evening
Delavan Weather - 2026-09-17 - Evening - Sunny
63°F 17°C
Sunny
Pleasant near 71°F 21°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SW to the NNE at 7 mph 11 km/h.

Friday, September 18, 2026

Mid-Morning
Delavan Weather - 2026-09-18 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Delavan Weather - 2026-09-18 - Afternoon - Sunny
83°F 29°C
Sunny
Early-Evening
Delavan Weather - 2026-09-18 - Evening - Overcast
80°F 27°C
Overcast
Balmy with temperatures reaching 83°F 29°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds blowing from the SSW at 11 mph 17 km/h.

Saturday, September 19, 2026

Mid-Morning
Delavan Weather - 2026-09-19 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Delavan Weather - 2026-09-19 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Delavan Weather - 2026-09-19 - Evening - Sunny
80°F 27°C
Sunny
Quite warm around 87°F 31°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSW to the SW at 3 mph 5 km/h.

Sunday, September 20, 2026

Mid-Morning
Delavan Weather - 2026-09-20 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Delavan Weather - 2026-09-20 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Delavan Weather - 2026-09-20 - Evening - Sunny
61°F 16°C
Sunny
Mild temperatures up to 70°F 21°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 13 mph 20 km/h. Gusts up to 24 mph 37 km/h.

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Weather by the Numbers

Mon, 7th
Delavan IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 85°F 30°C
Lo: 61°F 16°C
Sunrise 06:31 AM
Sunset 07:20 PM
Wind ESE 9 mph14 km/h
Dew Point 60°F15°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 45%
Tue, 8th
Delavan IL Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 90°F 32°C
Lo: 62°F 17°C
Sunrise 06:32 AM
Sunset 07:19 PM
Wind S 8 mph13 km/h
Dew Point 55°F13°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 38%
Wed, 9th
Delavan IL Weather - Wednesday, Sep 9, 2026 - Light Rain Shower
Hi: 82°F 28°C
Lo: 72°F 22°C
Sunrise 06:33 AM
Sunset 07:17 PM
Wind SE 4 mph7 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 37% *
Humidity 71%
Thu, 10th
Delavan IL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 82°F 28°C
Lo: 64°F 18°C
Sunrise 06:34 AM
Sunset 07:15 PM
Wind NW 5 mph8 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 28% *
Humidity 76%
Fri, 11th
Delavan IL Weather - Friday, Sep 11, 2026 - Overcast
Hi: 84°F 29°C
Lo: 60°F 15°C
Sunrise 06:35 AM
Sunset 07:14 PM
Wind SSE 8 mph13 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 12% *
Humidity 52%
Sat, 12th
Delavan IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 89°F 32°C
Lo: 66°F 19°C
Sunrise 06:36 AM
Sunset 07:12 PM
Wind WSW 7 mph12 km/h
Dew Point 60°F16°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 45%
Sun, 13th
Delavan IL Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 96°F 35°C
Lo: 71°F 22°C
Sunrise 06:37 AM
Sunset 07:10 PM
Wind SSW 11 mph17 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 10% *
Humidity 41%
Mon, 14th
Delavan IL Weather - Monday, Sep 14, 2026 - Partly Cloudy
Hi: 93°F 34°C
Lo: 64°F 18°C
Sunrise 06:38 AM
Sunset 07:09 PM
Wind W 11 mph17 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 29.91 in1013 mb
POP 7% *
Humidity 48%
Tue, 15th
Delavan IL Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 67°F 19°C
Lo: 55°F 13°C
Sunrise 06:39 AM
Sunset 07:07 PM
Wind N 13 mph22 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 50%
Wed, 16th
Delavan IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 69°F 20°C
Lo: 55°F 13°C
Sunrise 06:40 AM
Sunset 07:05 PM
Wind NE 9 mph14 km/h
Dew Point 42°F6°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 1% *
Humidity 44%
Thu, 17th
Delavan IL Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:41 AM
Sunset 07:03 PM
Wind NNW 7 mph11 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 1% *
Humidity 40%
Fri, 18th
Delavan IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 83°F 29°C
Lo: 53°F 12°C
Sunrise 06:42 AM
Sunset 07:02 PM
Wind SSW 11 mph18 km/h
Dew Point 58°F14°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 45%
Sat, 19th
Delavan IL Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 88°F 31°C
Lo: 71°F 22°C
Sunrise 06:43 AM
Sunset 07:00 PM
Wind SW 10 mph17 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 4% *
Humidity 52%
Sun, 20th
Delavan IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 72°F 22°C
Lo: 55°F 13°C
Sunrise 06:44 AM
Sunset 06:58 PM
Wind NE 17 mph27 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 51%
* POP = Probability of Precipitation. Data for 12:00 PM.