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Deep River, CT

79°F
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Deep River

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79°
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Deep River, CT Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

October

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
27
A shower and thunderstorm
75°
49°
28
Mostly sunny
65°
48°
29
Mostly sunny
64°
53°
30
Times of clouds and sun
64°
48°
1
Very windy; rain
62°
48°
2
Windy with sun and clouds
63°
53°
3
Mostly sunny
63°
55°
4
Periods of rain
67°
54°
5
Mostly sunny
70°
54°
6
Rain at times
64°
50°
7
Partly sunny
69°
46°
8
A.M. rain; overcast, cooler
61°
45°
9
Partly sunny
59°
47°
10
Times of clouds and sun
59°
45°
11
Partly sunny and windy
60°
43°
12
Sunny to partly cloudy
59°
41°
13
Decreasing clouds
57°
42°
14
Mostly sunny and windy
59°
41°
15
Mostly sunny
58°
43°
16
Abundant sunshine
57°
51°
17
Times of clouds and sun
58°
50°
18
Mainly cloudy
65°
50°
19
Mostly cloudy with t-storms
62°
49°
20
Morning showers and t-storms
60°
50°
21
Mostly cloudy
56°
40°
22
Sun and clouds
56°
40°
23
A bit of rain in the morning
54°
40°
24
Hist. Avg.
59°
42°
25
Hist. Avg.
58°
42°
26
Hist. Avg.
58°
41°
27
Hist. Avg.
58°
41°
28
Hist. Avg.
58°
41°
29
Hist. Avg.
57°
41°
30
Hist. Avg.
57°
40°
31
Hist. Avg.
57°
40°

Temperature Graph

°F
70° 62° 54° 46° 38° Oct
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 *24 *25 *26 *27 *28 *29 *30 *31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable

October Weather in Deep River

Deep River's October 2026 forecast shows daily high temperatures ranging from 54° to 75°, with overnight lows between 40° and 55°. The average high for October is 62° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Deep River. See also: November | December | January.

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