Seymour, CT Weather Forecast

Local 7-day forecast

88°
F

Patchy Fog then Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Seymour, CT in one place.

Friday, July 10, 2026
Wind: 3 to 7 mph NW
Today

Patchy fog before 8am, then a chance of showers and thunderstorms. Partly sunny. High near 88, with temperatures falling to around 85 in the afternoon. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.

Local 7-day forecast

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: Jul 10, 2026 9:45 AM EDT.

The active forecast window currently covers Jul 10 to Jul 16, 2026 for Seymour, CT.

Page Snapshot

Page focus
city weather
Forecast window
Jul 10 to Jul 16, 2026
Latest sync
Jul 10, 2026 9:45 AM EDT
Forecast office
OKX
Source
NOAA / NWS
Next High
88°F
Today
Next Low
67°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
8 to 12 mph
Wednesday

Daily Outlook

Today
Jul 10
Patchy Fog then Chance Showers And Thunderstorms
88 °F
/ 67°F
Wind 3 to 7 mph
Sat
Jul 11
Slight Chance Rain Showers then Partly Sunny
83 °F
/ 63°F
Wind 7 mph
Sun
Jul 12
Sunny
84 °F
/ 65°F
Wind 6 mph
Mon
Jul 13
Sunny
86 °F
/ 67°F
Wind 1 to 10 mph
Tue
Jul 14
Sunny
90 °F
/ 72°F
Wind 6 to 10 mph
Wed
Jul 15
Sunny
91 °F
/ 69°F
Wind 8 to 12 mph
Thu
Jul 16
Mostly Sunny
89 °F
/ 69°F
Wind 3 to 8 mph

This Week in Seymour

Wednesday looks like the warmest upcoming period in Seymour at 91 degrees F.

Saturday Night is the coolest period ahead with temperatures near 63 degrees F.

The strongest winds are forecast for Wednesday at about 8 to 12 mph W.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Jul 10, 2026 9:45 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 source

Extended Forecast

Tonight
Jul 10
67°F
Chance Showers And Thunderstorms
2 to 6 mph NW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northwest wind 2 to 6 mph. Chance of precipitation is 30%.

Saturday
Jul 11
83°F
Slight Chance Rain Showers then Partly Sunny
7 mph NE

A slight chance of rain showers before 8am. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. Northeast wind around 7 mph. Chance of precipitation is 20%.

Saturday Night
Jul 11
63°F
Mostly Clear
1 to 6 mph NE

Mostly clear, with a low around 63. Northeast wind 1 to 6 mph.

Sunday
Jul 12
84°F
Sunny
6 mph NE

Sunny. High near 84, with temperatures falling to around 82 in the afternoon. Northeast wind around 6 mph.

Sunday Night
Jul 12
65°F
Mostly Clear
1 to 5 mph S

Mostly clear, with a low around 65.

Monday
Jul 13
86°F
Sunny
1 to 10 mph SW

Sunny, with a high near 86.

Monday Night
Jul 13
67°F
Mostly Clear
6 to 10 mph SW

Mostly clear, with a low around 67.

Tuesday
Jul 14
90°F
Sunny
6 to 10 mph SW

Sunny, with a high near 90.

Tuesday Night
Jul 14
72°F
Mostly Clear
7 to 10 mph SW

Mostly clear, with a low around 72.

Wednesday
Jul 15
91°F
Sunny
8 to 12 mph W

Sunny, with a high near 91.

Wednesday Night
Jul 15
69°F
Chance Rain Showers
3 to 10 mph NW

A chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Thursday
Jul 16
89°F
Mostly Sunny
3 to 8 mph NW

Mostly sunny, with a high near 89.

Thursday Night
Jul 16
69°F
Partly Cloudy
3 to 7 mph NW

Partly cloudy, with a low around 69.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 10
Patchy Fog then Chance Showers And Thunderstorms
88°F
3 to 7 mph
NW
Tonight
Jul 10
Chance Showers And Thunderstorms
67°F
2 to 6 mph
NW
Saturday
Jul 11
Slight Chance Rain Showers then Partly Sunny
83°F
7 mph
NE
Saturday Night
Jul 11
Mostly Clear
63°F
1 to 6 mph
NE
Sunday
Jul 12
Sunny
84°F
6 mph
NE
Sunday Night
Jul 12
Mostly Clear
65°F
1 to 5 mph
S
Monday
Jul 13
Sunny
86°F
1 to 10 mph
SW
Monday Night
Jul 13
Mostly Clear
67°F
6 to 10 mph
SW
Tuesday
Jul 14
Sunny
90°F
6 to 10 mph
SW
Tuesday Night
Jul 14
Mostly Clear
72°F
7 to 10 mph
SW
Wednesday
Jul 15
Sunny
91°F
8 to 12 mph
W
Wednesday Night
Jul 15
Chance Rain Showers
69°F
3 to 10 mph
NW
Thursday
Jul 16
Mostly Sunny
89°F
3 to 8 mph
NW
Thursday Night
Jul 16
Partly Cloudy
69°F
3 to 7 mph
NW
PanoramaFromCastleRockSeymour1905
PanoramaFromCastleRockSeymour1905 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.