10-day forecast for Delavan, IL: 40° to 88°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, October 12
73° · 0.97 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1388° / 66°0.05
Morning69°feels 69°
Afternoon87°feels 90°
Evening71°feels 71°
Overnight73°feels 72°
88 °
Delavan, Tuesday, 13 October
Rain. High 88°, low 66°.
Pressure29.85 inHg
Wind7 mph SW
Humidity59%
Visibility6.2 mi
Dew point66°
Wed, 1475° / 62°0.01
Morning66°feels 67°
Afternoon74°feels 74°
Evening71°feels 71°
Overnight65°feels 66°
75 °
Delavan, Wednesday, 14 October
Light rain. High 75°, low 62°.
Pressure30.03 inHg
Wind6 mph NE
Humidity70%
Visibility6.2 mi
Dew point63°
Thu, 1573° / 62°0.97
Morning63°feels 63°
Afternoon73°feels 74°
Evening66°feels 67°
Overnight65°feels 65°
73 °
Delavan, Thursday, 15 October
Heavy rain. High 73°, low 62°.
Pressure29.97 inHg
Wind7.2 mph SE
Humidity96%
Visibility1.7 mi
Dew point67°
Fri, 1659° / 48°0.02
Morning51°feels 48°
Afternoon57°feels 55°
Evening51°feels 49°
Overnight59°feels 58°
59 °
Delavan, Friday, 16 October
Light rain. High 59°, low 48°.
Pressure30.33 inHg
Wind20.6 mph NW
Humidity48%
Visibility6.2 mi
Dew point36°
Sat, 1760° / 40°0
Morning45°feels 45°
Afternoon57°feels 54°
Evening51°feels 48°
Overnight47°feels 44°
60 °
Delavan, Saturday, 17 October
Clear. High 60°, low 40°.
Pressure30.50 inHg
Wind7.8 mph SW
Humidity37%
Visibility—
Dew point29°
Sun, 1865° / 44°0
Morning49°feels 45°
Afternoon61°feels 59°
Evening55°feels 51°
Overnight50°feels 47°
65 °
Delavan, Sunday, 18 October
Clear. High 65°, low 44°.
Pressure30.30 inHg
Wind12.1 mph S
Humidity34%
Visibility—
Dew point31°
Mon, 1970° / 48°0
Morning54°feels 51°
Afternoon67°feels 66°
Evening63°feels 62°
Overnight60°feels 58°
70 °
Delavan, Monday, 19 October
Overcast. High 70°, low 48°.
Pressure30.30 inHg
Wind9 mph S
Humidity41%
Visibility—
Dew point41°
Tue, 2072° / 59°0
Morning62°feels 62°
Afternoon69°feels 69°
Evening65°feels 64°
Overnight62°feels 61°
72 °
Delavan, Tuesday, 20 October
Overcast. High 72°, low 59°.
Pressure30.27 inHg
Wind8.3 mph S
Humidity57%
Visibility—
Dew point53°
Wed, 2176° / 58°0
Morning63°feels 62°
Afternoon74°feels 73°
Evening67°feels 67°
Overnight64°feels 63°
76 °
Delavan, Wednesday, 21 October
Clear. High 76°, low 58°.
Pressure30.18 inHg
Wind11.1 mph S
Humidity51%
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.