Derby, CT Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Derby, CT.

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Current Conditions — Derby, CT

OXFORD/WATERBURY (KOXC)

Mostly Clear

55.4 F
Humidity:51%
Wind Speed: 6.9 mph
Barometer:30.12 in
Dewpoint:37.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 26 2026, 03:00 PM EDT
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5-Day Forecast — Derby, CT

Sunday

High 59 °F
Partly Sunny
Sunday
Night
Low 41 °F
Mostly Clear
Monday

High 66 °F
Mostly Sunny
Monday
Night
Low 41 °F
Mostly Clear
Tuesday

High 64 °F
Partly Sunny
Tuesday
Night
Low 44 °F
Rain
Wednesday

High 60 °F
Chance of Rain Showers
Wednesday
Night
Low 46 °F
Rain
Thursday

High 57 °F
Rain Showers Likely

Detailed Forecast — Derby, CT

Sunday
Partly Sunny. High near 59°F. Wind 3 to 9 mph, with gusts as high as 14 mph.
Sunday Night
Mostly Clear. Low around 41°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Monday
Mostly Sunny. High near 66°F. Wind 5 to 8 mph, with gusts as high as 13 mph.
Monday Night
Mostly Clear. Low around 41°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Tuesday
Partly Sunny. High near 64°F. Wind 3 to 8 mph, with gusts as high as 13 mph.
Tuesday Night
Rain. Low around 44°F. Wind 2 to 5 mph, with gusts as high as 8 mph.
Wednesday
Chance of Rain Showers. High near 60°F. Wind 2 to 8 mph, with gusts as high as 13 mph.
Wednesday Night
Rain. Low around 46°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Thursday
Rain Showers Likely. High near 57°F. Wind 3 to 8 mph, with gusts as high as 12 mph.
Thursday Night
Chance of Rain. Low around 42°F. Wind 8 to 10 mph, with gusts as high as 17 mph.
Friday
Slight Chance of Rain Showers. High near 55°F. Wind 13 to 15 mph, with gusts as high as 22 mph.
Friday Night
Slight Chance of Rain. Low around 41°F. Wind 5 to 12 mph, with gusts as high as 16 mph.
Saturday
Chance of Rain Showers. High near 55°F. Wind 6 to 10 mph, with gusts as high as 15 mph.
CT Radar
Current Radar • CT
Day 1 Outlook • April 26, 2026

Observation History — Derby, CT

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:00 PM EDT 6.9 10.00 Mostly Clear -- 55.4 37.4 51% NA NA 30.12 1020.0
02:50 PM EDT E 5.7 10.00 Mostly Clear -- 55.4 35.6 47% NA NA 30.12 1020.0
02:45 PM EDT E 9.2 10.00 Mostly Clear -- 55.4 35.6 47% NA NA 30.12 1020.0
02:35 PM EDT 9.2 10.00 Partly Cloudy -- 55.4 37.4 51% NA NA 30.12 1020.0
02:30 PM EDT E 8.1 10.00 Mostly Clear -- 55.4 37.4 51% NA NA 30.12 1020.0
02:25 PM EDT E 6.9 10.00 Mostly Clear -- 53.6 37.4 54% NA NA 30.12 1020.0
02:20 PM EDT E 11.5 10.00 Mostly Clear -- 55.4 37.4 51% NA NA 30.12 1020.0
02:15 PM EDT E 11.5 10.00 Clear -- 53.6 37.4 54% NA NA 30.13 1020.3
02:05 PM EDT 10.4 10.00 Clear -- 53.6 37.4 54% NA NA 30.13 1020.3
02:00 PM EDT 5.7 10.00 Clear -- 53.6 37.4 54% NA NA 30.13 1020.3
01:50 PM EDT 9.2 10.00 Clear -- 53.6 37.4 54% NA NA 30.12 1020.0
01:45 PM EDT E 8.1 10.00 Clear -- 53.6 37.4 54% NA NA 30.13 1020.3
01:35 PM EDT 11.5 10.00 Clear -- 53.6 37.4 54% NA NA 30.13 1020.3
01:30 PM EDT 8.1 10.00 Mostly Clear -- 53.6 37.4 54% NA NA 30.13 1020.3
01:20 PM EDT E 10.4 10.00 Partly Cloudy -- 51.8 37.4 58% NA NA 30.13 1020.3
01:15 PM EDT 10.4 10.00 Mostly Cloudy -- 51.8 37.4 58% NA NA 30.13 1020.3
01:00 PM EDT E 4.6 10.00 Cloudy -- 51.8 39.2 62% NA NA 30.13 1020.3
12:50 PM EDT E 9.2 10.00 Cloudy -- 51.8 39.2 62% NA NA 30.13 1020.3
12:45 PM EDT 10.00 Cloudy -- 51.8 39.2 62% NA NA 30.13 1020.3
12:30 PM EDT 5.7 10.00 Cloudy -- 50.0 37.4 62% NA NA 30.14 1020.7
12:15 PM EDT E 6.9 10.00 Cloudy -- 50.0 37.4 62% NA NA 30.14 1020.7
12:05 PM EDT 11.5 10.00 Cloudy -- 48.2 37.4 66% 43.3 NA 30.14 1020.7
12:00 PM EDT 9.2 10.00 Cloudy -- 48.2 37.4 66% 44.1 NA 30.14 1020.7
11:50 AM EDT E 9.2 10.00 Cloudy -- 48.2 37.4 66% 44.1 NA 30.14 1020.7

Regional Weather Observation

OXFORD/WATERBURY (KOXC)

Mostly Clear
55.4 F

DANBURY (KDXR)

Clear
57.2 F

BRIDGEPORT (KBDR)

Clear
51.8 F

POUGHKEEPSIE (KPOU)

Clear
62.6 F

WHITE PLAINS (KHPN)

Clear
51.8 F

MERIDEN (KMMK)

Clear
57.2 F
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