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NWS Forecast for Norwalk, CT
National Weather Service Forecast for: Norwalk, CT
Issued by: National Weather Service New York/Upton, NY
Updated: 2:27 am EDT Oct 11, 2026

Norwalk, CT
 
  Sunday

Sunday: Rain
Rain
Columbus
Day
Columbus Day: Slight Chance Light Rain then Mostly Sunny
Slight Chance Light Rain then Mostly Sunny
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Chance Rain Showers
Chance Rain Showers
  Hi 63 °F Hi 70 °F Hi 69 °F Hi 73 °F Hi 64 °F Hi 65 °F Hi 59 °F
 
Overnight

Overnight: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Light Rain Likely
Light Rain Likely
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Friday
Night
Friday Night: Chance Rain Showers
Chance Rain Showers
 
Lo 53 °F Lo 53 °F Lo 53 °F Lo 59 °F Lo 49 °F Lo 46 °F Lo 47 °F  

 

Overnight
 
Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. East wind around 6 mph.
Sunday
 
Rain after 8am. Cloudy, with a high near 63. East wind 6 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
 
Rain before 11pm, then rain likely and a slight chance of thunderstorms. Cloudy. Low around 53, with temperatures rising to around 56 overnight. Northeast wind 12 to 16 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Columbus Day
 
A slight chance of rain before 8am, then a slight chance of rain showers between 8am and 11am. Mostly sunny, with a high near 70. North wind 7 to 10 mph. Chance of precipitation is 20%.
Monday Night
 
Mostly clear. Low around 53, with temperatures rising to around 55 overnight. North wind 2 to 6 mph.
Tuesday
 
Partly sunny. High near 69, with temperatures falling to around 67 in the afternoon.
Tuesday Night
 
A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 59.
Wednesday
 
Sunny, with a high near 73.
Wednesday Night
 
Mostly clear, with a low around 49.
Thursday
 
Mostly sunny, with a high near 64.
Thursday Night
 
A slight chance of rain showers after 2am. Partly cloudy, with a low around 46.
Friday
 
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Friday Night
 
A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
 
A chance of rain showers. Partly sunny, with a high near 59.

 

Forecast from NOAA-NWS for Norwalk, CT.

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