Local weather forecast

Weather in Derby, CT

Updated 2026-09-26 12:45 local time · ZIP codes 06418

Light rain shower
Now59°F

Light rain shower

High / Low61° / 55°
Rain chance87%
Wind24 mph
Weather alerts

Active alerts

1
Gale Warning issued September 26 at 4:30AM EDT until September 27 at 6:00PM EDT by NWS Upton NY

* WHAT...Northeast winds 30 to 40 kt with gusts up to 45 kt and seas 5 to 8 ft. * WHERE...Long Island Sound west of Port Jefferson and New Haven. * WHEN...Until 6 PM EDT Sunday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Safety instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Hourly

Next hours

NowLight rain shower59°39% rain
2 PMLight rain shower57°51% rain
3 PMLight rain shower56°69% rain
4 PMLight rain shower56°61% rain
5 PMLight rain shower56°64% rain
6 PMLight rain shower56°59% rain
7 PMLight rain shower56°61% rain
8 PMLight rain shower56°63% rain
9 PMLight rain shower57°49% rain
10 PMPatchy rain nearby57°35% rain
11 PMLight rain shower57°65% rain
12 AMLight rain shower57°73% rain
Forecast

3-day weather forecast

Today2026-09-26
Light rain shower
61° 55°Light rain shower
Rain 87%Gust 28 mph
Tomorrow2026-09-27
Light rain shower
64° 57°Light rain shower
Rain 93%Gust 31 mph
Monday2026-09-28
Light rain shower
64° 55°Light rain shower
Rain 93%Gust 18 mph
Conditions

Weather details

Feels like46°F
Humidity80%
Pressure29.81 inHg
Visibility6 mi
Wind24 mph NNE
Wind gusts44 mph
Precipitation0.01 in
UV index1
Daylight

Sunrise, sunset and moon

Sunrise06:44 AM
Sunset06:43 PM
Moonrise06:31 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour12 PM · 64°F
Coolest hour5 PM · 56°F
Highest rain chance4 AM · 91%
Strongest gusts9 AM · 53 mph
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 73% over the next 12 hours.

A jacket or sweater is a good idea

It feels like 46°F with winds near 24 mph.

Best window: 1 PM

58°F, 53% rain chance and 24 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 47 mph.

Running conditions are less comfortable

Current temperature is 59°F, wind 24 mph, rain chance up to 73%.

Low UV protection needs

UV index is 1.

Local weather characteristics in Derby

Connecticut has four distinct seasons, humid summers and cold winters, with coastal influence near Long Island Sound and periodic nor'easters in the colder months.

Derby is part of the Northeast weather region. The forecast point is near 41.32°N latitude and 73.09°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Derby weather today

Light rain shower and 59°F in Derby, CT. Today's high is 61°F with a 87% rain chance. Winds are around 24 mph with gusts near 44 mph. Relative humidity is 80%, pressure is 29.81 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Derby

Sunrise is at 06:44 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Light rain shower with a high near 64°F and a low near 57°F. The maximum rain chance is 93%.

Nearby

Weather near Derby

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