10-day forecast for Delavan, IL: 37° to 77°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Friday, October 23
60° · 0.43 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1863° / 41°0
Morning41°feels 36°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight42°feels 38°
63 °
Delavan, Sunday, 18 October
Clear. High 63°, low 41°.
Pressure30.47 inHg
Wind10.8 mph S
Humidity46%
Visibility6.2 mi
Dew point38°
Mon, 1966° / 42°0
Morning43°feels 41°
Afternoon65°feels 63°
Evening53°feels 51°
Overnight45°feels 43°
66 °
Delavan, Monday, 19 October
Overcast. High 66°, low 42°.
Pressure30.39 inHg
Wind3.7 mph S
Humidity48%
Visibility6.2 mi
Dew point42°
Tue, 2068° / 43°0
Morning45°feels 45°
Afternoon67°feels 66°
Evening56°feels 54°
Overnight46°feels 44°
68 °
Delavan, Tuesday, 20 October
Mostly clear. High 68°, low 43°.
Pressure30.36 inHg
Wind4 mph SE
Humidity47%
Visibility6.2 mi
Dew point45°
Wed, 2170° / 47°0
Morning54°feels 52°
Afternoon68°feels 67°
Evening60°feels 58°
Overnight48°feels 47°
70 °
Delavan, Wednesday, 21 October
Clear. High 70°, low 47°.
Pressure30.27 inHg
Wind3.8 mph SW
Humidity43%
Visibility—
Dew point43°
Thu, 2271° / 48°0
Morning55°feels 54°
Afternoon69°feels 68°
Evening62°feels 60°
Overnight58°feels 57°
71 °
Delavan, Thursday, 22 October
Clear. High 71°, low 48°.
Pressure30.21 inHg
Wind5.8 mph E
Humidity44%
Visibility—
Dew point44°
Fri, 2375° / 55°0
Morning60°feels 58°
Afternoon72°feels 70°
Evening65°feels 63°
Overnight61°feels 59°
75 °
Delavan, Friday, 23 October
Overcast. High 75°, low 55°.
Pressure30.18 inHg
Wind9.2 mph SE
Humidity29%
Visibility—
Dew point37°
Sat, 2475° / 57°0
Morning62°feels 59°
Afternoon72°feels 70°
Evening65°feels 63°
Overnight62°feels 60°
75 °
Delavan, Saturday, 24 October
Overcast. High 75°, low 57°.
Pressure30.18 inHg
Wind12 mph S
Humidity28%
Visibility—
Dew point36°
Sun, 2577° / 59°0.02
Morning65°feels 63°
Afternoon76°feels 74°
Evening68°feels 67°
Overnight60°feels 60°
77 °
Delavan, Sunday, 25 October
Light rain. High 77°, low 59°.
Pressure30.00 inHg
Wind12.3 mph S
Humidity28%
Visibility—
Dew point39°
Mon, 2660° / 41°0.43
Morning48°feels 43°
Afternoon47°feels 41°
Evening45°feels 39°
Overnight43°feels 39°
60 °
Delavan, Monday, 26 October
Rain. High 60°, low 41°.
Pressure30.18 inHg
Wind14.6 mph NW
Humidity73%
Visibility—
Dew point39°
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.