Monthly Historical AveragesGreen Island, IA
Average Temperature
High
16°
Feels 15
Low
4°
Feels 1
Average Precipitation
10 Days
78mm
0.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 1, 2026
Day
8°Feels 5
Wind
24 km/h E
Gust
36 km/h
Humidity
53%
P.O.P
40%
Rain
<1 mm
Night
4°Feels 0
Wind
23 km/h E
Gust
35 km/h
Humidity
100%
P.O.P
100%
Rain
15-20 mm
Historical AveragesApr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity