Monthly Historical AveragesStewart Island, STL
Average Temperature
High
10°
Feels 8
Low
8°
Feels 4
Average Precipitation
17 Days
98.2mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, August 15, 2026
Day
7°Feels 5
Wind
17 km/h SW
Gust
25 km/h
Humidity
57%
P.O.P
40%
Rain
~1 mm
Night
1°Feels 0
Wind
9 km/h SW
Gust
13 km/h
Humidity
90%
P.O.P
40%
Rain
<1 mm
Historical AveragesAug 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity