Monthly Historical AveragesGrand Isle, VT

Average Temperature
High
25°
Feels 25
Low
17°
Feels 17
Average Precipitation
12 Days
Rain amount
69.8mm
Snow amount
0cm
Content continues below

Daily Historical Averages

S
M
T
W
T
F
S
ForecastMonday, August 17, 2026
Day
Risk of a thunderstorm
25°Feels 25
Wind
31 km/h S
Gust
47 km/h
Humidity
78%
P.O.P
70%
Rain
2-4 mm
Night
Risk of a thunderstorm
19°Feels 19
Wind
13 km/h NW
Gust
20 km/h
Humidity
94%
P.O.P
40%
Rain
<1 mm
Historical AveragesAug 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
Content continues below