Seymour, CT Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Seymour, CT in one place.
Mostly cloudy. High near 69, with temperatures falling to around 67 in the afternoon. Southeast wind 1 to 9 mph.
Local Weather Overview
This forecast page for Seymour, 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 11:21 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Seymour, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 11:21 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Seymour
Wednesday looks like the warmest upcoming period in Seymour at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday Night at about 15 to 21 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 11:21 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
Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southwest wind around 8 mph.
Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. West wind 7 to 10 mph.
Partly cloudy, with a low around 55.
Sunny, with a high near 66.
Rain showers likely after 2am. Partly cloudy, with a low around 51. Chance of precipitation is 60%.
Rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 80%.
Rain showers likely before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Mostly sunny, with a high near 53.
Partly cloudy, with a low around 36.
Sunny, with a high near 55.
Mostly clear, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Cloudy
|
69°F |
1 to 9 mph
SE
|
|
Tuesday Night
Oct 13
|
Mostly Cloudy
|
61°F |
8 mph
SW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
75°F |
7 to 10 mph
W
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
55°F |
7 mph
NW
|
|
Thursday
Oct 15
|
Sunny
|
66°F |
5 to 8 mph
N
|
|
Thursday Night
Oct 15
|
Partly Cloudy then Rain Showers Likely
|
51°F |
3 to 8 mph
E
|
|
Friday
Oct 16
|
Rain Showers
|
68°F |
9 to 15 mph
S
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
44°F |
15 to 21 mph
W
|
|
Saturday
Oct 17
|
Mostly Sunny
|
53°F |
21 mph
NW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
36°F |
10 to 18 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
55°F |
10 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Seymour.
