Weather for Old Lyme, Connecticut
Current Weather
Humidity: 50%
Feels Like: 47.5°F
Wind: W 27.1 mph
Wind Gusts: 32 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.7
Five Day Weather Forecast
Fri
H: 57°F
L: 46°F
Sat
H: 55°F
L: 43°F
Sun
H: 52°F
L: 39°F
Mon
H: 55°F
L: 39°F
Tue
H: 62°F
L: 50°F
Air Quality
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 77 μg/m3
Astronomical
Sun Transit: 12:33 AM
Sunset: 5:45 PM
Daylight: 10 hrs 26 mins
Moon Transit: 8:44 PM
Moonset: 1:14 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
10:16 AM - 12:46 AM8:14 PM - 10:44 PM
Minor Periods
2:44 PM - 4:14 PM12:44 AM - 2:14 AM
Action Rating: 2 out of 5
Wind Advisory issued October 31 at 2:40AM EDT until November 1 at 12:00AM EDT by NWS Upton NY
Effective: Fri October 31, 2025, 2:40 AM
Expires: Fri October 31, 2025, 4:30 PM
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts of 45 to 50 mph are possible. * WHERE...Southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From noon today to midnight EDT tonight. * IMPACTS...Gusty winds will blow around Halloween decorations and other unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Wind Advisory issued October 31 at 12:41AM EDT until November 1 at 5:00AM EDT by NWS Boston/Norton MA
Effective: Fri October 31, 2025, 12:41 AM
Expires: Fri October 31, 2025, 7:00 PM
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Western and central Massachusetts and Northern Connecticut. * WHEN...From 2 PM this afternoon to 5 AM EDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Wind Advisory issued October 31 at 12:41AM EDT until November 1 at 5:00AM EDT by NWS Boston/Norton MA
Effective: Fri October 31, 2025, 12:41 AM
Expires: Fri October 31, 2025, 7:00 PM
* WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Cape Cod, Martha's Vineyard, Nantucket and Block Island. * WHEN...From 2 PM this afternoon to 5 AM EDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Wind Advisory issued October 31 at 12:41AM EDT until November 1 at 5:00AM EDT by NWS Boston/Norton MA
Effective: Fri October 31, 2025, 12:41 AM
Expires: Fri October 31, 2025, 7:00 PM
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Eastern and southeastern Massachusetts, as well as all of Rhode Island excluding Block Island. * WHEN...From 2 PM this afternoon to 5 AM EDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Weather Forecast
Average Temperature: 52.7°F
Average Humidity: 82%
Wind: 27.1 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 6.52 μg/m3
Sulphur Dioxide: 2.86 μg/m3
Ozone: 67.92 μg/m3
Astronomical
Sun Transit: 12:33 AM
Sunset: 5:45 PM
Daylight: 10 hrs 26 mins
Moon Transit: 8:44 PM
Moonset: 1:14 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
10:16 AM - 12:46 AM8:14 PM - 10:44 PM
Minor Periods
2:44 PM - 4:14 PM12:44 AM - 2:14 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 49.1°F
Average Humidity: 61%
Wind: 27.1 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 4.02 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 73.16 μg/m3
Astronomical
Sun Transit: 12:32 AM
Sunset: 5:44 PM
Daylight: 10 hrs 23 mins
Moon Transit: 9:31 PM
Moonset: 2:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
11:03 AM - 1:33 PM9:01 PM - 11:31 PM
Minor Periods
3:07 PM - 4:37 PM1:56 AM - 3:26 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 43.5°F
Average Humidity: 63%
Wind: 13 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 6.56 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 57.38 μg/m3
Astronomical
Sun Transit: 12:32 AM
Sunset: 5:43 PM
Daylight: 10 hrs 21 mins
Moon Transit: 12:31 AM
Moonset: 3:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
12:01 AM - 2:31 PM12:01 AM - 2:31 PM
Minor Periods
3:30 PM - 5:00 PM3:08 AM - 4:38 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 47.9°F
Average Humidity: 69%
Wind: 12.1 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:32 AM
Sunset: 5:42 PM
Daylight: 10 hrs 18 mins
Moon Transit: 11:10 PM
Moonset: 4:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
12:41 AM - 3:11 PM12:00 AM - 12:00 AM
Minor Periods
3:55 PM - 5:25 PM4:24 AM - 5:54 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 57.3°F
Average Humidity: 90%
Wind: 22.1 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:32 AM
Sunset: 5:40 PM
Daylight: 10 hrs 16 mins
Moon Transit: 12:00 AM
Moonset: 6:13 AM
Moon Phase: Full
Moon Illumination: 99.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:34 PM - 4:04 PM
Minor Periods
4:22 PM - 5:52 PM5:43 AM - 7:13 AM
Action Rating: 5 out of 5