Southport Weather Forecast 15 Days, Weather in Southport Today

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5. Weather in Southport for 15 days

Current weather conditions and 15 day weather forecast for Southport, Connecticut, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Southport

15 December 2025 Monday -4.9 ° C / 23.2°F Overcast

Feels Like : -12.5 ° C / 9.5°F Humidity : % 52 Pressure : 1016 mb Wind Speed : 27 kmph / 16.8 miles from NNW Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100

15 day weather forecast for Southport, CT, USA

Weather Forecast for next 15 Days for Southport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Southport, Connecticut state, US. To see the daily forecast, scroll to the table below.

Date	Weather forecast	Low temperature	High temperature	Avg. temperature	Humidity	Chance of rain	UV Index	Sun Position	Moon Position
14 December 2025 Sunday	Light snow	-6.2 ° C (20.8°F)	0 ° C (32°F)	-1.6 ° C (29.1°F)	% 81	89%	0.2	Sunrise:07:11 AM Sunset: 04:25 PM	Moonrise:02:06 AM Moonset: 01:00 PM Moon Phase ( Waning Crescent )
15 December 2025 Monday	Partly Cloudy	-10.4 ° C (13.3°F)	-0.8 ° C (30.6°F)	-4.9 ° C (23.2°F)	% 60	0%	0.3	Sunrise:07:12 AM Sunset: 04:25 PM	Moonrise:03:08 AM Moonset: 01:22 PM Moon Phase ( Waning Crescent )
16 December 2025 Tuesday	Partly Cloudy	-2.8 ° C (27°F)	0.6 ° C (33.1°F)	-1.1 ° C (30.1°F)	% 65	0%	0.3	Sunrise:07:12 AM Sunset: 04:25 PM	Moonrise:04:11 AM Moonset: 01:49 PM Moon Phase ( Waning Crescent )
17 December 2025 Wednesday	Partly Cloudy	1.1 ° C (34°F)	6.9 ° C (44.4°F)	3.4 ° C (38.2°F)	% 70	0%	0.3	Sunrise:07:13 AM Sunset: 04:26 PM	Moonrise:05:14 AM Moonset: 02:20 PM Moon Phase ( Waning Crescent )
18 December 2025 Thursday	Patchy rain nearby	-0.1 ° C (31.8°F)	5.9 ° C (42.6°F)	3.2 ° C (37.8°F)	% 84	69%	0.3	Sunrise:07:14 AM Sunset: 04:26 PM	Moonrise:06:16 AM Moonset: 03:00 PM Moon Phase ( Waning Crescent )
19 December 2025 Friday	Moderate rain	-1.6 ° C (29°F)	11.6 ° C (52.9°F)	8.3 ° C (47°F)	% 84	75%	0	Sunrise:07:14 AM Sunset: 04:26 PM	Moonrise:07:14 AM Moonset: 03:47 PM Moon Phase ( New Moon )
20 December 2025 Saturday	Sunny	-3.1 ° C (26.5°F)	0.4 ° C (32.7°F)	-0.6 ° C (30.8°F)	% 49	0%	2	Sunrise:07:15 AM Sunset: 04:27 PM	Moonrise:08:06 AM Moonset: 04:43 PM Moon Phase ( New Moon )
21 December 2025 Sunday	Patchy rain nearby	4.2 ° C (39.6°F)	7.9 ° C (46.2°F)	6.2 ° C (43.1°F)	% 90	87%	2	Sunrise:07:15 AM Sunset: 04:27 PM	Moonrise:08:50 AM Moonset: 05:45 PM Moon Phase ( Waxing Crescent )
22 December 2025 Monday	Partly Cloudy	-1.7 ° C (28.9°F)	1.6 ° C (34.9°F)	0.1 ° C (32.2°F)	% 61	0%	2	Sunrise:07:16 AM Sunset: 04:28 PM	Moonrise:09:27 AM Moonset: 06:50 PM Moon Phase ( Waxing Crescent )
23 December 2025 Tuesday	Overcast	-2.6 ° C (27.2°F)	0.3 ° C (32.5°F)	-0.6 ° C (30.9°F)	% 62	0%	1	Sunrise:07:16 AM Sunset: 04:28 PM	Moonrise:09:57 AM Moonset: 07:58 PM Moon Phase ( Waxing Crescent )
24 December 2025 Wednesday	Sunny	2.6 ° C (36.6°F)	7.1 ° C (44.8°F)	4.5 ° C (40.1°F)	% 66	0%	2	Sunrise:07:17 AM Sunset: 04:29 PM	Moonrise:10:23 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent )
25 December 2025 Thursday	Sunny	-5.4 ° C (22.3°F)	0.3 ° C (32.5°F)	-1.6 ° C (29.1°F)	% 56	0%	2	Sunrise:07:17 AM Sunset: 04:30 PM	Moonrise:10:46 AM Moonset: 10:12 PM Moon Phase ( Waxing Crescent )
26 December 2025 Friday	Partly Cloudy	-6 ° C (21.2°F)	-1.1 ° C (29.9°F)	-3.1 ° C (26.3°F)	% 50	0%	2	Sunrise:07:17 AM Sunset: 04:30 PM	Moonrise:11:08 AM Moonset: 11:21 PM Moon Phase ( Waxing Crescent )
27 December 2025 Saturday	Patchy rain nearby	0.9 ° C (33.7°F)	3 ° C (37.4°F)	2.3 ° C (36.1°F)	% 79	83%	1	Sunrise:07:18 AM Sunset: 04:31 PM	Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter )

Southport Weather forecasts are usually fully updated every 4 hours.

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