Haddam, CT Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Haddam, CT in one place.
Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. Southeast wind 2 to 8 mph.
Local Weather Overview
This forecast page for Haddam, 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 11:25 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Haddam, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 11:25 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Haddam
Wednesday looks like the warmest upcoming period in Haddam at 76 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 20 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 11:25 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 slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. West wind around 8 mph.
Partly cloudy, with a low around 55.
Sunny, with a high near 67.
A chance of rain showers after 2am. Partly cloudy, with a low around 51. Chance of precipitation is 50%.
Rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 80%.
Rain showers. Mostly cloudy, with a low around 45. Chance of precipitation is 80%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 55.
Mostly clear, with a low around 37.
Sunny, with a high near 56.
Mostly clear, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Cloudy
|
70°F |
2 to 8 mph
SE
|
|
Tuesday Night
Oct 13
|
Slight Chance Showers And Thunderstorms
|
61°F |
5 to 8 mph
SW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
76°F |
8 mph
W
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
55°F |
5 mph
NW
|
|
Thursday
Oct 15
|
Sunny
|
67°F |
3 to 7 mph
N
|
|
Thursday Night
Oct 15
|
Partly Cloudy then Chance Rain Showers
|
51°F |
1 to 7 mph
E
|
|
Friday
Oct 16
|
Rain Showers
|
69°F |
8 to 13 mph
S
|
|
Friday Night
Oct 16
|
Rain Showers
|
45°F |
13 to 18 mph
W
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
55°F |
20 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
37°F |
9 to 16 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
56°F |
10 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
5 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Haddam.
