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Niantic, CT

67°F
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67°
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Niantic, 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 few showers in the morning
71°
58°
28
Couple of thunderstorms
74°
56°
29
Mostly sunny
74°
55°
30
Plenty of sunshine
73°
54°
1
Mostly sunny
72°
56°
2
Sunny
72°
55°
3
Partly sunny
73°
54°
4
Periods of clouds and sun
70°
54°
5
Intervals of clouds and sun
71°
55°
6
Mostly cloudy
68°
53°
7
Rain tapering to showers
68°
52°
8
Mainly cloudy and less humid
65°
50°
9
Windy; a bit of morning rain
62°
52°
10
Times of clouds and sun
68°
53°
11
Times of clouds and sun
69°
50°
12
Partly sunny
69°
45°
13
A.M. rain; cooler with clouds
61°
43°
14
Sunshine and a few clouds
59°
46°
15
Sunshine and a few clouds
63°
50°
16
Mostly sunny
65°
51°
17
Sun and some clouds
67°
52°
18
Mostly cloudy, a little rain
66°
51°
19
Mostly cloudy
68°
49°
20
Times of clouds and sun
67°
47°
21
Partly sunny
61°
46°
22
Mostly sunny
62°
44°
23
Mostly sunny
58°
42°
24
Mostly sunny
58°
47°
25
Mostly sunny
59°
45°
26
Rain
58°
42°
27
Mostly cloudy and stiff winds
55°
45°
28
Sun and some clouds
58°
45°
29
Rain most of the time
59°
37°
30
Very windy; occasional rain
59°
36°
31
Very windy; partly sunny
53°
35°

Temperature Graph

°F
80° 70° 60° 50° 40° 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

October Weather in Niantic

Niantic's October 2026 forecast shows daily high temperatures ranging from 53° to 74°, with overnight lows between 35° and 58°. The average high for October is 65° with an average low of 49°. 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 Niantic. See also: November | December | January.

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Weather Near Niantic:

  • Hartford, CT
  • New Haven, CT
  • Waterbury, CT
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