Weather for Old Mystic, Connecticut
Current Weather
Five Day Weather Forecast
Sun
H: 28°F
L: 7°F
Mon
H: 30°F
L: 18°F
Tue
H: 28°F
L: 13°F
Wed
H: 29°F
L: 14°F
Thu
H: 23°F
L: 15°F
Air Quality
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 69 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:56 PM
Daylight: 9 hrs 50 mins
Moon Transit: 5:22 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
6:56 AM - 9:26 AM4:52 PM - 7:22 PM
Minor Periods
9:46 AM - 11:16 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Winter Storm Warning issued January 25 at 1:20AM EST until January 26 at 1:00PM EST by NWS Upton NY
Effective: Sun January 25, 2026, 1:20 AM
Expires: Sun January 25, 2026, 2:00 PM
* WHAT...Heavy snow expected. Total snow accumulations between 10 and 16 inches. Sleet may mix in with the snow late this evening. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 1 PM EST Monday. * IMPACTS...Roads will become snow covered and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow.
Persons should consider delaying travel from Sunday into Monday. If travel is absolutely necessary, drive with extreme caution. Make sure your car is winterized and in good working order. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.
Winter Storm Warning issued January 25 at 2:49AM EST until January 26 at 8:00PM EST by NWS Boston/Norton MA
Effective: Sun January 25, 2026, 2:49 AM
Expires: Sun January 25, 2026, 4:00 PM
* WHAT...Heavy snow expected. Total snow accumulations between 12 and 20 inches. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern and southern Rhode Island. * WHEN...From 7 AM this morning to 8 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
Winter Storm Warning issued January 25 at 2:49AM EST until January 26 at 8:00PM EST by NWS Boston/Norton MA
Effective: Sun January 25, 2026, 2:49 AM
Expires: Sun January 25, 2026, 4:00 PM
* WHAT...Heavy snow expected. Total snow and sleet accumulations between 7 and 12 inches. Winds gusting as high as 35 mph. * WHERE...In Massachusetts, Dukes MA and Nantucket MA Counties. In Rhode Island, Block Island RI. * WHEN...From 7 AM this morning to 8 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.67 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 75.28 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:56 PM
Daylight: 9 hrs 50 mins
Moon Transit: 5:22 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
6:56 AM - 9:26 AM4:52 PM - 7:22 PM
Minor Periods
9:46 AM - 11:16 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.33 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 72.12 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:57 PM
Daylight: 9 hrs 52 mins
Moon Transit: 6:15 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
7:47 AM - 10:17 AM5:45 PM - 8:15 PM
Minor Periods
10:15 AM - 11:45 AM12:13 AM - 1:43 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.22 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 73.36 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:58 PM
Daylight: 9 hrs 54 mins
Moon Transit: 7:13 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%
Best Times for Fishing or Hunting
Major Periods
8:44 AM - 11:14 AM6:43 PM - 9:13 PM
Minor Periods
10:51 AM - 12:21 AM1:30 AM - 3:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.97 μg/m3
Sulphur Dioxide: 3.53 μg/m3
Ozone: 63.96 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:59 PM
Daylight: 9 hrs 56 mins
Moon Transit: 8:16 PM
Moonset: 3:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%
Best Times for Fishing or Hunting
Major Periods
9:45 AM - 12:15 AM7:46 PM - 10:16 PM
Minor Periods
11:38 AM - 1:08 PM2:47 AM - 4:17 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.92 μg/m3
Sulphur Dioxide: 2.86 μg/m3
Ozone: 57.85 μg/m3
Astronomical
Sun Transit: 12:01 AM
Sunset: 5:00 PM
Daylight: 9 hrs 58 mins
Moon Transit: 9:20 PM
Moonset: 4:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%
Best Times for Fishing or Hunting
Major Periods
10:49 AM - 1:19 PM8:50 PM - 11:20 PM
Minor Periods
12:37 AM - 2:07 PM4:00 AM - 5:30 AM
Action Rating: 2 out of 5