Southold, NY Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Southold, NY.

0 Currently Active Alerts for Southold

✅
No active weather alerts for Southold at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Southold, NY

NEW HAVEN/TWEED (KHVN)

Cloudy

46.4 F
Humidity:76%
Wind Speed: 11.5 mph
Barometer:30.14 in
Dewpoint:39.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:41.0 F
Apr 22 2026, 12:20 PM EDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Southold, NY

Wednesday

High 51 °F
Rain Showers Likely
Wednesday
Night
Low 42 °F
Mostly Cloudy
Thursday

High 62 °F
Mostly Cloudy
Thursday
Night
Low 44 °F
Mostly Cloudy
Friday

High 59 °F
Mostly Cloudy
Friday
Night
Low 42 °F
Partly Cloudy
Saturday

High 55 °F
Slight Chance of Rain Showers
Saturday
Night
Low 42 °F
Slight Chance of Rain
Sunday

High 57 °F
Mostly Cloudy

Detailed Forecast — Southold, NY

Wednesday
Rain Showers Likely. High near 51°F. Wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly Cloudy. Low around 42°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Thursday
Mostly Cloudy. High near 62°F. Wind 3 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly Cloudy. Low around 44°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Friday
Mostly Cloudy. High near 59°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Friday Night
Partly Cloudy. Low around 42°F. Wind 3 to 5 mph, with gusts as high as 8 mph.
Saturday
Slight Chance of Rain Showers. High near 55°F. Wind 6 to 8 mph, with gusts as high as 14 mph.
Saturday Night
Slight Chance of Rain. Low around 42°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Sunday
Mostly Cloudy. High near 57°F. Wind 7 to 8 mph, with gusts as high as 14 mph.
Sunday Night
Partly Cloudy. Low around 44°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Monday
Slight Chance of Showers. High near 57°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
Slight Chance of Showers. Low around 46°F. Wind 7 to 8 mph, with gusts as high as 13 mph.
Tuesday
Chance of Rain Showers. High near 59°F. Wind 9 to 12 mph, with gusts as high as 18 mph.
NY Radar
Current Radar • NY
Day 1 Outlook • April 22, 2026

Observation History — Southold, NY

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)
12:20 PM EDT 11.5 10.00 Cloudy -- 46.4 39.2 76% 41.0 NA 30.14 1020.7
12:15 PM EDT 13.8 10.00 Cloudy -- 46.4 39.2 76% 40.3 NA 30.14 1020.7
12:00 PM EDT 10.4 10.00 Cloudy -- 46.4 39.2 76% 41.4 NA 30.15 1021.0
11:50 AM EDT 10.4 10.00 Cloudy -- 46.4 39.2 76% 41.4 NA 30.16 1021.3
11:25 AM EDT 10.4 10.00 Cloudy -- 44.6 39.2 81% 39.2 NA 30.16 1021.3
11:20 AM EDT 12.7 10.00 Cloudy -- 44.6 39.2 81% 38.5 NA 30.16 1021.3
11:15 AM EDT 11.5 10.00 Cloudy -- 44.6 37.4 76% 38.8 NA 30.16 1021.3
10:50 AM EDT 11.5 G 20.7 10.00 Cloudy -- 44.6 39.2 81% 38.8 NA 30.16 1021.3
10:35 AM EDT 11.5 G 20.7 10.00 Cloudy -- 44.6 39.2 81% 38.8 NA 30.17 1021.7
10:20 AM EDT G 19.6 10.00 Cloudy -- 44.6 39.2 81% NA NA 30.16 1021.3
10:15 AM EDT 13.8 10.00 Cloudy -- 42.8 39.2 87% 35.8 NA 30.16 1021.3
10:00 AM EDT 13.8 10.00 Cloudy -- 42.8 39.2 87% 35.8 NA 30.16 1021.3
09:50 AM EDT 12.7 10.00 Cloudy -- 42.8 39.2 87% 36.1 NA 30.17 1021.7
09:45 AM EDT 12.7 10.00 Cloudy -- 42.8 39.2 87% 36.1 NA 30.17 1021.7
09:35 AM EDT 12.7 10.00 Cloudy -- 42.8 37.4 81% 36.1 NA 30.17 1021.7
09:30 AM EDT 12.7 10.00 Cloudy -- 42.8 39.2 87% 36.1 NA 30.17 1021.7
09:25 AM EDT 13.8 8.00 Light Rain -- 42.8 37.4 81% 35.8 NA 30.17 1021.7
09:20 AM EDT 13.8 7.00 Light Rain -- 42.8 37.4 81% 35.8 NA 30.17 1021.7
09:10 AM EDT 13.8 6.00 Light Rain -- 42.8 37.4 81% 35.8 NA 30.17 1021.7
09:00 AM EDT S 11.5 8.00 Cloudy -- 42.8 37.4 81% 36.5 NA 30.18 1022.0
08:50 AM EDT S 12.7 9.00 Cloudy -- 42.8 37.4 81% 36.1 NA 30.18 1022.0
08:40 AM EDT S 12.7 G 18.4 10.00 Cloudy -- 42.8 37.4 81% 36.1 NA 30.19 1022.4
08:35 AM EDT 11.5 9.00 Cloudy -- 42.8 37.4 81% 36.5 NA 30.19 1022.4
08:20 AM EDT S 11.5 6.00 Light Rain -- 42.8 37.4 81% 36.5 NA 30.19 1022.4

Regional Weather Observation

NEW HAVEN/TWEED (KHVN)

Cloudy
46.4 F

(KHTO)


F

CHESTER (KSNC)

Cloudy
44.6 F

MERIDEN (KMMK)

Cloudy
46.4 F

WESTHAMPTON BEAC (KFOK)

Cloudy
44.6 F

GROTON/NEW LONDO (KGON)

Cloudy
44.6 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe