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, with a low around 57. North wind around 3 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: May 26, 2026 2:14 AM EDT.
The active forecast window currently covers May 26 to Jun 1, 2026 for Seymour, CT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 2:14 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Seymour
Wednesday looks like the warmest upcoming period in Seymour at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Thursday at about 5 to 13 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 2:14 AM EDT
- Coverage
- 7 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
Partly sunny, with a high near 81. South wind 2 to 7 mph.
Mostly cloudy, with a low around 60. Southwest wind 3 to 7 mph.
Partly sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind 3 to 9 mph.
A slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 62. West wind 3 to 7 mph. Chance of precipitation is 20%.
A slight chance of rain showers after 2pm. Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 53.
Mostly sunny, with a high near 73.
A slight chance of rain showers after 8pm. Partly cloudy, with a low around 53.
A slight chance of rain showers. Mostly sunny, with a high near 71.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 51.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 54.
A slight chance of rain showers after 2pm. Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 26
|
Mostly Cloudy
|
57°F |
3 mph
N
|
|
Tuesday
May 26
|
Partly Sunny
|
81°F |
2 to 7 mph
S
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
60°F |
3 to 7 mph
SW
|
|
Wednesday
May 27
|
Partly Sunny
|
86°F |
3 to 9 mph
SW
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms
|
62°F |
3 to 7 mph
W
|
|
Thursday
May 28
|
Mostly Sunny then Slight Chance Rain Showers
|
79°F |
5 to 13 mph
NW
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers then Mostly Clear
|
53°F |
5 to 10 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
73°F |
5 to 9 mph
NW
|
|
Friday Night
May 29
|
Slight Chance Rain Showers
|
53°F |
3 to 8 mph
SW
|
|
Saturday
May 30
|
Slight Chance Rain Showers
|
71°F |
5 to 12 mph
NW
|
|
Saturday Night
May 30
|
Slight Chance Rain Showers then Partly Cloudy
|
51°F |
5 to 10 mph
N
|
|
Sunday
May 31
|
Mostly Sunny
|
72°F |
5 to 9 mph
N
|
|
Sunday Night
May 31
|
Partly Cloudy
|
54°F |
3 to 8 mph
NW
|
|
Monday
Jun 1
|
Sunny then Slight Chance Rain Showers
|
75°F |
5 to 8 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Seymour.
