Monthly Historical AveragesSandwich, IL
Average Temperature
High
27°
Feels 29
Low
16°
Feels 16
Average Precipitation
10 Days
77.5mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, August 4, 2026
Day
29°Feels 31
Wind
12 km/h S
Gust
18 km/h
Humidity
55%
P.O.P
10%
Night
20°Feels 20
Wind
10 km/h SW
Gust
15 km/h
Humidity
94%
P.O.P
40%
Rain
<1 mm
Historical AveragesAug 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity