Weather for West Yarmouth, Massachusetts
Current Weather
Five Day Weather Forecast
Tue
H: 87°F
L: 68°F
Wed
H: 81°F
L: 73°F
Thu
H: 84°F
L: 71°F
Fri
H: 73°F
L: 67°F
Sat
H: 76°F
L: 67°F
Air Quality
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 78 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:14 PM
Daylight: 14 hrs 55 mins
Moon Transit: 1:07 PM
Moonset: 8:51 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
2:50 AM - 5:20 AM12:37 AM - 3:07 PM
Minor Periods
8:21 PM - 9:51 PM4:42 AM - 6:12 AM
Action Rating: 5 out of 5
Small Craft Advisory issued July 13 at 3:27PM EDT until July 15 at 11:00AM EDT by NWS Boston/Norton MA
Effective: Mon July 13, 2026, 3:27 PM
Expires: Tue July 14, 2026, 4:30 AM
* WHAT...Southwest winds 15 to 25 kt with gusts up to 34 kt and seas 5 to 8 feet expected. Brief gales are possible for southern and eastern outer water zones late afternoon through Tuesday night. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From noon Tuesday to 11 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Small Craft Advisory issued July 13 at 11:55PM EDT until July 15 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Mon July 13, 2026, 11:55 PM
Expires: Tue July 14, 2026, 6:00 PM
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 6 feet expected. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From noon Tuesday to 8 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.21 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 109.5 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:14 PM
Daylight: 14 hrs 55 mins
Moon Transit: 1:07 PM
Moonset: 8:51 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
2:50 AM - 5:20 AM12:37 AM - 3:07 PM
Minor Periods
8:21 PM - 9:51 PM4:42 AM - 6:12 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.33 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 117.04 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:14 PM
Daylight: 14 hrs 53 mins
Moon Transit: 2:06 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM1:36 PM - 4:06 PM
Minor Periods
8:55 PM - 10:25 PM6:03 AM - 7:33 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 116.5 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:13 PM
Daylight: 14 hrs 52 mins
Moon Transit: 3:00 PM
Moonset: 9:53 PM
Moon Phase: New
Moon Illumination: 2.4%
Best Times for Fishing or Hunting
Major Periods
4:47 AM - 7:17 AM2:30 PM - 5:00 PM
Minor Periods
9:23 PM - 10:53 PM7:22 AM - 8:52 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 90.54 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 50 mins
Moon Transit: 3:48 PM
Moonset: 10:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%
Best Times for Fishing or Hunting
Major Periods
5:37 AM - 8:07 AM3:18 PM - 5:48 PM
Minor Periods
9:46 PM - 11:16 PM8:37 AM - 10:07 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.43 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 83.11 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 49 mins
Moon Transit: 4:33 PM
Moonset: 10:38 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
6:24 AM - 8:54 AM4:03 PM - 6:33 PM
Minor Periods
10:08 PM - 11:38 PM9:48 AM - 11:18 AM
Action Rating: 2 out of 5