10-day forecast for Delavan, IL: 55° to 96°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Monday, August 10
72° · 0.48 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 70°0
Morning75°feels 77°
Afternoon91°feels 101°
Evening85°feels 93°
Overnight70°feels 71°
92 °
Delavan, Sunday, 9 August
Overcast. High 92°, low 70°.
Pressure29.91 inHg
Wind15.8 mph S
Humidity63%
Visibility6.2 mi
Dew point73°
Mon, 1096° / 76°0
Morning77°feels 78°
Afternoon96°feels 105°
Evening86°feels 93°
Overnight80°feels 80°
96 °
Delavan, Monday, 10 August
Overcast. High 96°, low 76°.
Pressure29.88 inHg
Wind12.2 mph SW
Humidity50%
Visibility6.2 mi
Dew point71°
Tue, 1193° / 75°0.01
Morning78°feels 79°
Afternoon91°feels 96°
Evening83°feels 88°
Overnight78°feels 79°
93 °
Delavan, Tuesday, 11 August
Light rain. High 93°, low 75°.
Pressure29.83 inHg
Wind10.6 mph SW
Humidity45%
Visibility6.2 mi
Dew point67°
Wed, 1282° / 70°0
Morning75°feels 76°
Afternoon84°feels 89°
Evening77°feels 78°
Overnight76°feels 77°
82 °
Delavan, Wednesday, 12 August
Overcast. High 82°, low 70°.
Pressure29.88 inHg
Wind12.4 mph NE
Humidity73%
Visibility6.2 mi
Dew point72°
Thu, 1372° / 65°0.48
Morning70°feels 71°
Afternoon70°feels 71°
Evening67°feels 67°
Overnight66°feels 67°
72 °
Delavan, Thursday, 13 August
Rain. High 72°, low 65°.
Pressure29.91 inHg
Wind11.5 mph NE
Humidity98%
Visibility—
Dew point70°
Fri, 1476° / 55°0
Morning61°feels 60°
Afternoon74°feels 74°
Evening69°feels 69°
Overnight60°feels 60°
76 °
Delavan, Friday, 14 August
Clear. High 76°, low 55°.
Pressure30.18 inHg
Wind9.1 mph NE
Humidity54%
Visibility—
Dew point54°
Sat, 1576° / 55°0
Morning61°feels 60°
Afternoon73°feels 73°
Evening68°feels 68°
Overnight60°feels 60°
76 °
Delavan, Saturday, 15 August
Overcast. High 76°, low 55°.
Pressure30.30 inHg
Wind7.8 mph SE
Humidity49%
Visibility—
Dew point51°
Sun, 1681° / 57°0
Morning63°feels 63°
Afternoon76°feels 76°
Evening74°feels 74°
Overnight66°feels 67°
81 °
Delavan, Sunday, 16 August
Overcast. High 81°, low 57°.
Pressure30.18 inHg
Wind12.7 mph S
Humidity59%
Visibility—
Dew point58°
Mon, 1784° / 67°0.07
Morning73°feels 75°
Afternoon82°feels 87°
Evening80°feels 85°
Overnight74°feels 75°
84 °
Delavan, Monday, 17 August
Light rain. High 84°, low 67°.
Pressure29.94 inHg
Wind11.1 mph S
Humidity73%
Visibility—
Dew point71°
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.