Nearby Harbors
41.1287’ N, 73.2893’ W

Southport, CT

43°
H -°
L 36°
NNE
4mph
Low tide
4:12 am
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Southport, CT Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Oct 23 		Mostly Clear -º / 36º 1% N 4 mph 74%
Sat
Oct 24 		Partly Cloudy
View Hourly 		62º / 37º 3% NW 5 mph 48%
12am Clear 43º 1% NNE 4 mph 73%
1am Clear 42º 1% NNE 5 mph 73%
2am Clear 41º 1% NNE 4 mph 73%
3am Clear 42º 1% N 5 mph 70%
4am Mostly Clear 40º 1% N 5 mph 73%
5am Partly Cloudy 39º 1% N 4 mph 73%
6am Partly Cloudy 38º 1% N 4 mph 74%
7am Mostly Cloudy 37º 3% NNW 3 mph 75%
8am Mostly Cloudy 39º 2% NNW 4 mph 73%
9am Mostly Cloudy 43º 1% N 4 mph 66%
10am Mostly Cloudy 48º 0% N 4 mph 56%
11am Mostly Cloudy 53º 0% NNW 4 mph 47%
12pm Mostly Cloudy 56º 0% NW 4 mph 41%
1pm Mostly Cloudy 58º 0% WNW 4 mph 36%
2pm Mostly Cloudy 60º 0% W 5 mph 34%
3pm Mostly Cloudy 61º 0% W 5 mph 33%
4pm Partly Cloudy 60º 0% W 4 mph 35%
5pm Partly Cloudy 59º 0% W 4 mph 38%
6pm Mostly Clear 56º 0% WNW 4 mph 46%
7pm Clear 51º 0% WNW 3 mph 55%
8pm Clear 48º 0% NW 3 mph 60%
9pm Clear 46º 1% NW 3 mph 64%
10pm Clear 45º 1% NW 2 mph 68%
11pm Clear 44º 1% NW 3 mph 70%
Sun
Oct 25 		Sunny
View Hourly 		66º / 39º 3% W 4 mph 51%
12am Clear 43º 1% NW 3 mph 73%
1am Clear 42º 2% NW 3 mph 75%
2am Clear 41º 2% NW 3 mph 76%
3am Clear 40º 2% NW 3 mph 77%
4am Clear 39º 2% NW 3 mph 78%
5am Clear 39º 3% NW 3 mph 78%
6am Clear 38º 3% NW 4 mph 78%
7am Clear 38º 3% NNW 3 mph 79%
8am Sunny 39º 3% NNW 3 mph 78%
9am Sunny 44º 1% NNW 3 mph 70%
10am Sunny 51º 0% NNW 4 mph 59%
11am Sunny 56º 0% NNW 3 mph 48%
12pm Sunny 59º 0% WNW 3 mph 41%
1pm Sunny 62º 0% WSW 4 mph 36%
2pm Sunny 64º 0% SW 4 mph 33%
3pm Sunny 64º 0% SW 4 mph 34%
4pm Sunny 64º 0% SW 4 mph 36%
5pm Sunny 62º 0% SSW 4 mph 42%
6pm Clear 58º 1% SSW 3 mph 50%
7pm Clear 53º 1% SW 2 mph 58%
8pm Clear 51º 2% SW 2 mph 62%
9pm Clear 49º 2% SW 3 mph 66%
10pm Clear 47º 3% WSW 3 mph 69%
11pm Clear 46º 3% WSW 3 mph 72%
Mon
Oct 26 		Sunny 70º / 46º 4% WNW 6 mph 54%
Tue
Oct 27 		Sunny 59º / 38º 4% N 8 mph 49%
Wed
Oct 28 		Partly Cloudy 60º / 47º 2% E 6 mph 53%
Thu
Oct 29 		Partly Cloudy 67º / 49º 6% SSW 10 mph 63%
Fri
Oct 30 		Sunny 70º / 46º 7% NW 9 mph 59%

Weather Radar for Southport, CT See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Southport, CT

Overnight
Low : 37ºF
Areas of frost. Otherwise, mostly clear, with a low around 37. North wind 3 to 5 mph.
Saturday
High : 61ºF
Areas of frost before 9am. Otherwise, partly sunny, with a high near 61. North wind around 5 mph becoming light and variable.
Saturday Night
Low : 39ºF
Mostly clear, with a low around 39. Calm wind.
Sunday
High : 63ºF
Sunny, with a high near 63. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Low : 42ºF
Clear, with a low around 42. Light west wind.
Monday
High : 67ºF
Sunny, with a high near 67.
Monday Night
Low : 46ºF
Mostly clear, with a low around 46.
Tuesday
High : 60ºF
Sunny, with a high near 60.
Tuesday Night
Low : 39ºF
Mostly clear, with a low around 39.
Wednesday
High : 57ºF
Mostly sunny, with a high near 57.
Wednesday Night
Low : 45ºF
Partly cloudy, with a low around 45.
Thursday
High : 64ºF
Mostly sunny, with a high near 64.
Thursday Night
Low : 50ºF
Partly cloudy, with a low around 50.
Friday
High : 66ºF
Mostly sunny, with a high near 66.

NOAA Buoy Data Near Southport, CT See Map

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    Wind Speed Forecast for Southport, CT

    SaturdaySundayMonday
    Wind Speed (MPH) 454443333342
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 454443333342
    DIR NNENNNWNWWNWNWNWNNWWNWSWSW

    Current Weather Conditions In Southport, CT

    As Of: 21 minutes ago

    • 43ºF
    • 40ºF
    • 4mph
    • 0º (NNE)
    • 4mph
    • Clear
    • 10mi
    • 30.47"
    • 73%
    • 0ºF

    The weather right now in Southport, CT is Clear. The current temperature is 43°F, and the expected high and low for today, Saturday, October 24, 2026, are -° high temperature and 36°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the North Northeast. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 40° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 73 percent, and air pressure at 30.47 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Frost Advisory - 10:33pm Fri Oct 23 2026

    ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY...

    WHAT: Temperatures as low as the mid 30s will result in frost
    formation.

    WHERE: In Connecticut, Southern Fairfield, Southern Middlesex,
    Southern New Haven, and Southern New London Counties. In New York,
    Southern Westchester County.

    WHEN: Until 9 AM EDT Saturday.

    IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
    outdoor plants may be killed if left uncovered.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Take steps now to protect tender plants from the cold.

    &&

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