10-day forecast for Delavan, IL: 40° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Wednesday, October 21
72° · 0.53 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1572° / 61°0.53
Morning64°feels 64°
Afternoon71°feels 72°
Evening70°feels 71°
Overnight63°feels 63°
72 °
Delavan, Thursday, 15 October
Rain. High 72°, low 61°.
Pressure29.97 inHg
Wind8.7 mph SE
Humidity92%
Visibility1.8 mi
Dew point65°
Fri, 1660° / 49°0.06
Morning49°feels 44°
Afternoon57°feels 55°
Evening52°feels 50°
Overnight57°feels 55°
60 °
Delavan, Friday, 16 October
Rain. High 60°, low 49°.
Pressure30.15 inHg
Wind18.7 mph NW
Humidity64%
Visibility6.2 mi
Dew point41°
Sat, 1756° / 40°0
Morning41°feels 37°
Afternoon56°feels 53°
Evening49°feels 49°
Overnight45°feels 40°
56 °
Delavan, Saturday, 17 October
Clear. High 56°, low 40°.
Pressure30.56 inHg
Wind2.1 mph N
Humidity50%
Visibility6.2 mi
Dew point34°
Sun, 1862° / 41°0
Morning45°feels 41°
Afternoon61°feels 58°
Evening51°feels 48°
Overnight42°feels 39°
62 °
Delavan, Sunday, 18 October
Clear. High 62°, low 41°.
Pressure30.50 inHg
Wind8.2 mph S
Humidity43%
Visibility6.2 mi
Dew point35°
Mon, 1965° / 40°0
Morning46°feels 46°
Afternoon62°feels 59°
Evening54°feels 52°
Overnight46°feels 46°
65 °
Delavan, Monday, 19 October
Clear. High 65°, low 40°.
Pressure30.42 inHg
Wind5.1 mph S
Humidity39%
Visibility—
Dew point35°
Tue, 2071° / 43°0
Morning51°feels 49°
Afternoon66°feels 65°
Evening64°feels 63°
Overnight58°feels 57°
71 °
Delavan, Tuesday, 20 October
Clear. High 71°, low 43°.
Pressure30.30 inHg
Wind6.7 mph E
Humidity51%
Visibility—
Dew point45°
Wed, 2176° / 56°0
Morning62°feels 61°
Afternoon74°feels 73°
Evening67°feels 66°
Overnight63°feels 62°
76 °
Delavan, Wednesday, 21 October
Clear. High 76°, low 56°.
Pressure30.21 inHg
Wind11 mph S
Humidity44%
Visibility—
Dew point49°
Thu, 2269° / 65°0.2
Morning65°feels 65°
Afternoon65°feels 66°
Evening67°feels 68°
Overnight65°feels 66°
69 °
Delavan, Thursday, 22 October
Light rain. High 69°, low 65°.
Pressure30.00 inHg
Wind16.2 mph SW
Humidity83%
Visibility—
Dew point60°
Fri, 2375° / 56°0
Morning61°feels 60°
Afternoon71°feels 71°
Evening69°feels 69°
Overnight66°feels 65°
75 °
Delavan, Friday, 23 October
Clear. High 75°, low 56°.
Pressure30.06 inHg
Wind10.2 mph SE
Humidity55%
Visibility—
Dew point53°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Delavan, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.