Colchester, CT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Colchester, CT in one place.
Partly sunny, with a high near 68. Southeast wind 2 to 7 mph.
Local Weather Overview
This forecast page for Colchester, CT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 12, 2026 3:39 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Colchester, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 3:39 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Colchester
Wednesday looks like the warmest upcoming period in Colchester at 76 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 17 to 21 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 3:39 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 8pm and midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Mostly cloudy, with a low around 61. Southwest wind around 6 mph. Chance of precipitation is 30%.
Mostly sunny. High near 76, with temperatures falling to around 73 in the afternoon.
Partly cloudy, with a low around 51.
Mostly sunny, with a high near 65.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 45.
Rain showers likely. Partly sunny, with a high near 65. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
A chance of rain showers before 2pm. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Partly Sunny
|
68°F |
2 to 7 mph
SE
|
|
Tuesday Night
Oct 13
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
61°F |
6 mph
SW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
76°F |
6 to 9 mph
W
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
51°F |
6 mph
NW
|
|
Thursday
Oct 15
|
Mostly Sunny
|
65°F |
5 to 10 mph
N
|
|
Thursday Night
Oct 15
|
Partly Cloudy then Slight Chance Rain Showers
|
45°F |
3 mph
NE
|
|
Friday
Oct 16
|
Rain Showers Likely
|
65°F |
5 to 13 mph
SE
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
46°F |
10 to 17 mph
W
|
|
Saturday
Oct 17
|
Chance Rain Showers
|
55°F |
17 to 21 mph
NW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
35°F |
13 to 16 mph
NW
|
|
Sunday
Oct 18
|
Mostly Sunny
|
53°F |
8 to 14 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Colchester.
