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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Colchester, CT
Content continues below
August
Average Temperature
High
27°
Feels 28
Low
17°
Feels 17
Average Precipitation
11 Days
Rain amount
89.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
August 2026
S
M
T
W
T
F
S
1
2
3
25°
4
28°
5
28°
6
29°
7
29°
8
28°
9
29°
10
29°
11
29°
12
27°
13
25°
14
25°
15
25°
16
25°
17
25°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Monday, August 3, 2026
Day
25°
Feels 25
Wind
23 km/h S
Gust
61 km/h
Humidity
89%
P.O.P
100%
Rain
25-30 mm
Night
16°
Feels 16
Wind
19 km/h NW
Gust
45 km/h
Humidity
100%
P.O.P
60%
Rain
~1 mm
Historical Averages
Aug 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.