South Norwalk, CT Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Jul 16 		Partly Cloudy
Close Hourly 		-º / 66º 2% NW 8 mph 63%
8pm Partly Cloudy 81º 0% WNW 7 mph 53%
9pm Partly Cloudy 79º 0% WNW 6 mph 58%
10pm Partly Cloudy 77º 1% NW 6 mph 59%
11pm Clear 76º 1% NW 6 mph 57%
Fri
Jul 17 		Partly Cloudy
View Hourly 		84º / 68º 1% NW 7 mph 44%
12am Clear 74º 1% NW 5 mph 61%
1am Clear 73º 1% NW 5 mph 63%
2am Clear 72º 1% NW 5 mph 64%
3am Clear 71º 2% NNW 5 mph 66%
4am Clear 70º 2% NNW 5 mph 68%
5am Clear 69º 2% NNW 5 mph 71%
6am Sunny 67º 2% NNW 5 mph 74%
7am Partly Cloudy 69º 1% N 6 mph 68%
8am Partly Cloudy 72º 0% N 6 mph 60%
9am Partly Cloudy 74º 0% NNW 7 mph 53%
10am Partly Cloudy 76º 0% NNW 6 mph 46%
11am Partly Cloudy 78º 0% NW 7 mph 41%
12pm Mostly Sunny 79º 0% NW 7 mph 39%
1pm Mostly Sunny 80º 0% WNW 6 mph 37%
2pm Sunny 81º 0% WNW 6 mph 37%
3pm Sunny 82º 0% WNW 6 mph 37%
4pm Sunny 83º 0% WNW 6 mph 36%
5pm Sunny 83º 0% WNW 6 mph 38%
6pm Sunny 82º 0% W 5 mph 39%
7pm Mostly Sunny 81º 0% W 5 mph 43%
8pm Partly Cloudy 78º 0% WSW 4 mph 49%
9pm Mostly Clear 75º 0% SW 3 mph 56%
10pm Mostly Clear 74º 1% SW 3 mph 63%
11pm Mostly Clear 72º 2% SSW 3 mph 69%
Sat
Jul 18 		PM Thunderstorms
View Hourly 		79º / 70º 91% SSW 13 mph 79%
12am Mostly Clear 71º 2% SW 2 mph 74%
1am Partly Cloudy 70º 3% SSW 2 mph 79%
2am Partly Cloudy 69º 5% SSW 2 mph 84%
3am Partly Cloudy 69º 5% SSW 2 mph 87%
4am Partly Cloudy 69º 6% SSW 3 mph 89%
5am Partly Cloudy 69º 7% SSW 3 mph 90%
6am Partly Cloudy 70º 7% SSW 4 mph 89%
7am Partly Cloudy 72º 6% SSW 4 mph 84%
8am Partly Cloudy 74º 7% SSW 6 mph 79%
9am Partly Cloudy 76º 8% SSW 8 mph 74%
10am Partly Cloudy 77º 9% SSW 9 mph 72%
11am Mostly Cloudy 78º 24% SSW 11 mph 70%
12pm Mostly Cloudy 78º 24% SSW 11 mph 73%
1pm Showers 78º 47% SSW 11 mph 74%
2pm Cloudy 77º 24% SSW 13 mph 78%
3pm Cloudy 77º 24% SSW 13 mph 81%
4pm Thunderstorms 77º 71% SSW 13 mph 84%
5pm Thunderstorms 76º 91% SSW 12 mph 88%
6pm Thunderstorms 75º 60% SSW 12 mph 91%
7pm Thunderstorms 75º 69% SSW 13 mph 89%
Sun
Jul 19 		Partly Cloudy 82º / 61º 5% NW 12 mph 58%
Mon
Jul 20 		Mostly Sunny 81º / 68º 2% SW 9 mph 53%
Tue
Jul 21 		PM Thundershowers 81º / 71º 65% S 13 mph 76%
Wed
Jul 22 		Scattered Thunderstorms 84º / 65º 51% WSW 12 mph 67%
Thu
Jul 23 		Mostly Sunny 81º / 64º 12% WNW 9 mph 56%

Weather Radar for South Norwalk, CT See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for South Norwalk, CT

Tonight
Low : 68ºF
NW wind 9 to 12 kt decreasing to 5 to 8 kt after midnight. Widespread smoke, mainly between 8pm and 5am. Seas 1 ft or less.
Friday
High : 81ºF
Variable winds 5 kt or less. Areas of smoke before 10am. Seas 1 ft or less.
Friday Night
Low : 69ºF
Variable winds 5 kt or less. Patchy smoke. Seas 1 ft or less.
Saturday
High : 78ºF
SSW wind 5 to 8 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Saturday Night
Low : 70ºF
SSW wind 12 to 14 kt becoming WSW after midnight. Showers and possibly a thunderstorm before 2am, then a chance of showers. Seas around 1 ft.
Sunday
High : 79ºF
NW wind around 10 kt. A chance of showers before 8am. Seas 1 ft or less.
Sunday Night
Low : 64ºF
NNW wind around 6 kt. Mostly clear. Seas 1 ft or less.
Monday
High : 81ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Monday Night
Low : 68ºF
S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

NOAA Buoy Data Near South Norwalk, CT See Map

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    Wind Speed Forecast for South Norwalk, CT

    FridaySaturday
    Wind Speed (MPH) 75567642361113
    12am4am8am12pm4pm8pm12am4am8am12pm4pm8pm
    MPH 75567642361113
    DIR WNWNWNNWNNWWNWWSWSWSSWSSWSSWSSW

    Current Weather Conditions In South Norwalk, CT

    As Of: 37 minutes ago

    • 81ºF
    • 83ºF
    • 7mph
    • 0º (WNW)
    • 7mph
    • Partly Cloudy
    • 3mi
    • 29.85"
    • 53%
    • 0ºF

    The weather right now in South Norwalk, CT is Partly Cloudy. The current temperature is 81°F, and the expected high and low for today, Thursday, July 16, 2026, are -° high temperature and 66°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the West Northwest. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 83° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 53 percent, and air pressure at 29.85 in. Visibility is 3 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Air Quality Alert - 3:11pm Thu Jul 16 2026

    ...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

    The Connecticut Department of Energy and Environmental Protection
    has issued an Air Quality Action Day for the following counties:

    Fairfield, New Haven, Middlesex, New London.

    until midnight EDT tonight.

    An Air Quality Action Day means that Fine Particulates within the
    region may approach or exceed unhealthy standards. For additional
    information, please visit the Connecticut Department of Energy and
    Environmental Protection Web site at http://www.ct.gov/deep/aqi