Weather for Southport, Connecticut
Current Weather
Humidity: 38%
Heat Index: 27.2°F
Feels Like: 14.7°F
Wind: NNW 10.6 mph
Wind Gusts: 27 mph
Wind Chill: 14.7°F
Dew Point: 14.7°F
Chance of Precipitation: 3%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10 mi
UV Index: 0
Five Day Weather Forecast
Thu
H: 53°F
L: 26°F
Fri
H: 27°F
L: 17°F
Sat
H: 34°F
L: 24°F
Sun
H: 34°F
L: 26°F
Mon
H: 45°F
L: 33°F
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:30 PM
Daylight: 9 hrs 14 mins
Moon Transit: 4:24 PM
Moonset: 10:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%
Best Times for Fishing or Hunting
Major Periods
5:49 AM - 8:19 AM3:54 PM - 6:24 PM
Minor Periods
9:43 PM - 11:13 PM10:16 AM - 11:46 AM
Action Rating: 2 out of 5
Winter Storm Warning issued December 25 at 1:19PM EST until December 27 at 1:00PM EST by NWS Upton NY
Effective: Thu December 25, 2025, 1:19 PM
Expires: Fri December 26, 2025, 4:00 AM
* WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 4 PM Friday to 1 PM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions.
Winter Storm Warning issued December 25 at 1:19PM EST until December 27 at 1:00PM EST by NWS Upton NY
Effective: Thu December 25, 2025, 1:19 PM
Expires: Fri December 26, 2025, 4:00 AM
* WHAT...Heavy snow expected. Total snow accumulations between 5 and 7 inches. The eastern portion of the county may see less snow with accumulations 3 to 5 inches. * WHERE...Northern New Haven and Southern New Haven Counties. * WHEN...From 7 PM Friday to 1 PM EST Saturday. * IMPACTS...Travel could be very difficult.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions.
Winter Storm Warning issued December 25 at 1:19PM EST until December 27 at 1:00PM EST by NWS Upton NY
Effective: Thu December 25, 2025, 1:19 PM
Expires: Fri December 26, 2025, 4:00 AM
* WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches. Highest amounts are expected from near Riverhead on westward. The north and south forks will likely see a sharper gradient with amounts 2 to 5 inches. * WHERE...Northeast Suffolk and Southeast Suffolk Counties. * WHEN...From 7 PM Friday to 1 PM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions.
Winter Weather Advisory issued December 25 at 1:19PM EST until December 27 at 1:00PM EST by NWS Upton NY
Effective: Thu December 25, 2025, 1:19 PM
Expires: Fri December 26, 2025, 4:00 AM
* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Northern Middlesex and Southern Middlesex Counties. * WHEN...From 7 PM Friday to 1 PM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.
Winter Storm Warning issued December 25 at 12:40PM EST until December 27 at 1:00PM EST by NWS Albany NY
Effective: Thu December 25, 2025, 12:40 PM
Expires: Fri December 26, 2025, 5:15 AM
* WHAT...Heavy snow expected. Total snow accumulations between 5 and 8 inches. * WHERE...Ulster, Greene, and Dutchess Counties in eastern New York, and Litchfield County in northwest Connecticut. * WHEN...From 4 PM Friday to 1 PM EST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...Moderate to heavy snow will develop around or just after sunset Friday, and will remain heavy at times Friday night. Snowfall rates of 1 to 2 inches per hour will be possible Friday evening. The snow gradually tapers off Saturday morning.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.
Weather Forecast
Average Temperature: 37.6°F
Average Humidity: 61%
Wind: 18.3 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 24.91 μg/m3
Sulphur Dioxide: 6.35 μg/m3
Ozone: 36.24 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:30 PM
Daylight: 9 hrs 14 mins
Moon Transit: 4:24 PM
Moonset: 10:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%
Best Times for Fishing or Hunting
Major Periods
5:49 AM - 8:19 AM3:54 PM - 6:24 PM
Minor Periods
9:43 PM - 11:13 PM10:16 AM - 11:46 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 22.2°F
Average Humidity: 51%
Wind: 15.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 7.67 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 71.28 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:31 PM
Daylight: 9 hrs 14 mins
Moon Transit: 12:00 AM
Moonset: 11:20 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
12:00 AM - 12:00 AM10:38 AM - 12:08 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 28.2°F
Average Humidity: 82%
Wind: 15.4 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 17.03 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 56.8 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:32 PM
Daylight: 9 hrs 14 mins
Moon Transit: 4:23 AM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
3:53 AM - 6:23 AM3:53 AM - 6:23 AM
Minor Periods
10:59 AM - 12:29 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 30.8°F
Average Humidity: 83%
Wind: 8.7 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 39.66 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 31.56 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:32 PM
Daylight: 9 hrs 15 mins
Moon Transit: 6:41 PM
Moonset: 12:31 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
8:05 AM - 10:35 AM6:11 PM - 8:41 PM
Minor Periods
11:22 AM - 12:52 AM12:01 AM - 1:31 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 38.5°F
Average Humidity: 93%
Wind: 24.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 16.99 μg/m3
Sulphur Dioxide: 3.41 μg/m3
Ozone: 54.23 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:33 PM
Daylight: 9 hrs 15 mins
Moon Transit: 7:33 PM
Moonset: 1:44 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
8:55 AM - 11:25 AM7:03 PM - 9:33 PM
Minor Periods
11:49 AM - 1:19 PM1:14 AM - 2:44 AM
Action Rating: 2 out of 5