South Norwalk, CT Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Aug 6 		Partly Cloudy
Close Hourly 		91º / 74º 15% SSW 10 mph 63%
2pm Partly Cloudy 91º 15% SSW 10 mph 60%
3pm Partly Cloudy 90º 15% SSW 10 mph 61%
4pm Partly Cloudy 90º 15% SSW 10 mph 61%
5pm Partly Cloudy 87º 15% SSW 10 mph 67%
6pm Partly Cloudy 86º 15% SSW 9 mph 68%
7pm Partly Cloudy 84º 15% SSW 7 mph 74%
8pm Mostly Cloudy 82º 17% SSW 5 mph 79%
9pm Mostly Cloudy 80º 24% SSW 5 mph 84%
10pm Partly Cloudy 79º 24% SW 4 mph 85%
11pm Partly Cloudy 78º 8% SW 3 mph 88%
Fri
Aug 7 		PM Thunderstorms
View Hourly 		88º / 72º 56% SW 7 mph 72%
12am Partly Cloudy 78º 10% WSW 3 mph 89%
1am Partly Cloudy 79º 10% SW 4 mph 88%
2am Partly Cloudy 78º 8% WSW 4 mph 88%
3am Partly Cloudy 77º 11% WSW 4 mph 89%
4am Mostly Clear 77º 10% WSW 4 mph 90%
5am Partly Cloudy 76º 13% WSW 3 mph 93%
6am Partly Cloudy 75º 10% W 3 mph 95%
7am Partly Cloudy 76º 9% WNW 3 mph 92%
8am Mostly Sunny 78º 8% W 4 mph 87%
9am Partly Cloudy 81º 19% WNW 4 mph 80%
10am Mostly Sunny 83º 8% W 4 mph 74%
11am Mostly Sunny 85º 12% WSW 5 mph 70%
12pm Partly Cloudy 86º 16% SW 5 mph 67%
1pm Partly Cloudy 87º 21% SW 6 mph 65%
2pm Scattered Thunderstorms 87º 37% SSW 7 mph 64%
3pm Scattered Thunderstorms 87º 56% S 7 mph 63%
4pm Scattered Thunderstorms 87º 52% SSW 6 mph 63%
5pm Showers 86º 37% SSW 6 mph 66%
6pm Scattered Thunderstorms 85º 36% SSW 6 mph 70%
7pm Mostly Cloudy 83º 24% SSW 5 mph 74%
8pm Cloudy 81º 23% SW 3 mph 79%
9pm Scattered Thunderstorms 79º 42% SW 4 mph 84%
10pm Cloudy 77º 24% SW 4 mph 88%
11pm Cloudy 76º 19% WSW 4 mph 91%
Sat
Aug 8 		Partly Cloudy
View Hourly 		89º / 72º 24% SW 11 mph 73%
12am Mostly Cloudy 75º 12% SW 3 mph 93%
1am Mostly Cloudy 75º 12% SW 3 mph 94%
2am Mostly Cloudy 75º 10% SW 4 mph 94%
3am Mostly Cloudy 75º 10% SW 5 mph 94%
4am Mostly Cloudy 74º 24% SW 4 mph 94%
5am Mostly Cloudy 73º 17% WSW 5 mph 97%
6am Mostly Cloudy 73º 24% WSW 4 mph 96%
7am Partly Cloudy 74º 21% WSW 4 mph 93%
8am Partly Cloudy 76º 14% WSW 6 mph 90%
9am Partly Cloudy 78º 15% WSW 7 mph 84%
10am Partly Cloudy 81º 13% SW 7 mph 78%
11am Partly Cloudy 83º 16% SW 8 mph 73%
12pm Isolated Thunderstorms 84º 33% SW 9 mph 70%
1pm Isolated Thunderstorms 85º 33% SW 10 mph 69%
Sun
Aug 9 		Sunny 90º / 68º 12% W 10 mph 61%
Mon
Aug 10 		Partly Cloudy 89º / 72º 20% SW 10 mph 58%
Tue
Aug 11 		PM Thunderstorms 89º / 69º 43% WSW 12 mph 65%
Wed
Aug 12 		Partly Cloudy 84º / 68º 24% W 9 mph 67%
Thu
Aug 13 		PM Thunderstorms 83º / 68º 38% WSW 10 mph 65%

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

This Afternoon
High : 84ºF
SSW wind around 8 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.
Tonight
Low : 75ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Friday
High : 87ºF
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Friday Night
Low : 74ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Saturday
High : 87ºF
WSW wind 6 to 9 kt. A slight chance of showers and thunderstorms after 2pm. Seas around 1 ft.
Saturday Night
Low : 74ºF
WSW wind around 7 kt. Partly cloudy. Seas around 1 ft.
Sunday
High : 87ºF
W wind 6 to 8 kt. Sunny. Seas around 1 ft.
Sunday Night
Low : 72ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
High : 88ºF
Variable winds less than 5 kt becoming SW 5 to 8 kt in the afternoon. Sunny. 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

    ThursdayFridaySaturday
    Wind Speed (MPH) 1094434764447
    6pm10pm2am6am10am2pm6pm10pm2am6am10am2pm
    MPH 1094434764447
    DIR SSWSSWSWWSWWWSSWSSWSWSWWSWSW

    Current Weather Conditions In South Norwalk, CT

    As Of: 13 minutes ago

    • 91ºF
    • 102ºF
    • 10mph
    • 0º (SSW)
    • 17mph
    • Partly Cloudy
    • 10mi
    • 30.07"
    • 60%
    • 0ºF

    The weather right now in South Norwalk, CT is Partly Cloudy. The current temperature is 91°F, and the expected high and low for today, Thursday, August 6, 2026, are 91° high temperature and 74°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the South Southwest. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 102° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 60 percent, and air pressure at 30.07 in. Visibility is 10 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Heat Advisory - 2:26am Thu Aug 6 2026

    ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT FRIDAY...

    WHAT: Heat index values up to 103 expected.

    WHERE: Fairfield, New Haven, Middlesex, and Southern New London
    Counties in southern Connecticut.

    WHEN: From 11 AM this morning to 8 PM EDT Friday.

    IMPACTS: Heat and high humidity may cause heat related illnesses.

    ADDITIONAL DETAILS: The advisory will likely need to be extended
    into Saturday.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    A Heat Advisory is issued when the combination of heat and humidity
    is expected to make it feel like it is 95 to 99 degrees for two or
    more consecutive days, or 100 to 104 degrees for any length of time.

    Seniors and those with chronic health problems or mental health
    conditions are at an increased risk. Homes without air conditioning
    can be much hotter than outdoor temperatures.

    Use air conditioning to stay cool at home or go to a place that has
    air conditioning. If you don't have home air conditioning, continue
    to seek out cool spaces each day as long as it remains hot, and for a
    few days after if your home is still hot. Check on vulnerable
    friends, family members and neighbors.

    To reduce risk during outdoor work, the Occupational Safety and
    Health Administration recommends scheduling frequent rest breaks in
    shaded or air conditioned environments. Anyone overcome by heat
    should be moved to a cool and shaded location. Heat stroke is an
    emergency! Call 9 1 1.

    &&

    Air Quality Alert - 3:26pm Wed Aug 5 2026

    ...AIR QUALITY ALERT IN EFFECT FROM 11 AM TO 11 PM EDT THURSDAY...

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

    southern Fairfield and southern New Haven.

    from 11 AM to 11 PM EDT Thursday.

    An Air Quality Action Day means that Ground Level Ozone 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