Weather for Norwalk, Connecticut
Current Weather
Humidity: 35%
Feels Like: 62.1°F
Wind: NNW 10.7 mph
Wind Gusts: 12.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 2.2
Five Day Weather Forecast
Fri
H: 63°F
L: 43°F
Sat
H: 65°F
L: 44°F
Sun
H: 67°F
L: 57°F
Mon
H: 61°F
L: 54°F
Tue
H: 65°F
L: 48°F
Air Quality
Nitrogen Dioxide: 18.75 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 53 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:10 PM
Daylight: 11 hrs 2 mins
Moon Transit: 9:57 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:27 AM - 11:57 AM
Minor Periods
4:01 PM - 5:31 PM2:41 AM - 4:11 AM
Action Rating: 2 out of 5
Frost Advisory issued October 17 at 1:44AM EDT until October 18 at 9:00AM EDT by NWS Upton NY
Effective: Fri October 17, 2025, 1:44 AM
Expires: Fri October 17, 2025, 2:45 PM
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Western Passaic County. In New York, Northern Westchester, Orange, Putnam, and Rockland Counties. * WHEN...From 11 PM this evening to 9 AM EDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Frost Advisory issued October 17 at 2:02PM EDT until October 18 at 9:00AM EDT by NWS Upton NY
Effective: Fri October 17, 2025, 2:02 PM
Expires: Sat October 18, 2025, 9:00 AM
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Western Passaic County. In New York, Northern Westchester, Orange, Putnam, and Rockland Counties. * WHEN...From 11 PM this evening to 9 AM EDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Weather Forecast
Average Temperature: 52°F
Average Humidity: 43%
Wind: 14.5 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 7.97 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 63.12 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:10 PM
Daylight: 11 hrs 2 mins
Moon Transit: 9:57 AM
Moonset: 4:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:27 AM - 11:57 AM
Minor Periods
4:01 PM - 5:31 PM2:41 AM - 4:11 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.9°F
Average Humidity: 60%
Wind: 7.4 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 25.79 μg/m3
Sulphur Dioxide: 5.08 μg/m3
Ozone: 42.4 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:08 PM
Daylight: 10 hrs 59 mins
Moon Transit: 10:38 AM
Moonset: 4:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%
Best Times for Fishing or Hunting
Major Periods
12:04 AM - 2:34 AM10:08 AM - 12:38 AM
Minor Periods
4:21 PM - 5:51 PM3:45 AM - 5:15 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 61.5°F
Average Humidity: 79%
Wind: 14.1 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 32.57 μg/m3
Sulphur Dioxide: 7.71 μg/m3
Ozone: 59.08 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:07 PM
Daylight: 10 hrs 57 mins
Moon Transit: 11:18 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%
Best Times for Fishing or Hunting
Major Periods
12:45 AM - 3:15 AM10:48 AM - 1:18 PM
Minor Periods
4:39 PM - 6:09 PM4:47 AM - 6:17 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 59.4°F
Average Humidity: 81%
Wind: 17.4 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 10.63 μg/m3
Sulphur Dioxide: 4.2 μg/m3
Ozone: 71.8 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:05 PM
Daylight: 10 hrs 54 mins
Moon Transit: 11:58 AM
Moonset: 5:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
1:25 AM - 3:55 AM11:28 AM - 1:58 PM
Minor Periods
4:59 PM - 6:29 PM5:49 AM - 7:19 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 56.2°F
Average Humidity: 63%
Wind: 14.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 18.69 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 49.77 μg/m3
Astronomical
Sun Transit: 12:38 AM
Sunset: 6:04 PM
Daylight: 10 hrs 52 mins
Moon Transit: 12:40 AM
Moonset: 5:51 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
2:06 AM - 4:36 AM12:10 AM - 2:40 PM
Minor Periods
5:21 PM - 6:51 PM6:51 AM - 8:21 AM
Action Rating: 4 out of 5