Weather for West Yarmouth, Massachusetts
Current Weather
Humidity: 42%
Feels Like: 79.4°F
Wind: SSW 6.5 mph
Wind Gusts: 9.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 8.1
Five Day Weather Forecast
Sat
H: 76°F
L: 60°F
Sun
H: 76°F
L: 64°F
Mon
H: 75°F
L: 68°F
Tue
H: 80°F
L: 71°F
Wed
H: 71°F
L: 66°F
Air Quality
Nitrogen Dioxide: 8.51 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 146 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 8:18 PM
Daylight: 15 hrs 5 mins
Moon Transit: 8:46 PM
Moonset: 1:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.3%
Best Times for Fishing or Hunting
Major Periods
10:36 AM - 1:06 PM8:16 PM - 10:46 PM
Minor Periods
3:28 PM - 4:58 PM12:32 AM - 2:02 AM
Action Rating: 3 out of 5
Heat Advisory issued July 5 at 2:45AM EDT until July 7 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Sat July 5, 2025, 2:45 AM
Expires: Sat July 5, 2025, 3:45 PM
* WHAT...Heat index values between 95 and 100 expected. Highest heat indices on Monday. * WHERE...Much of Southern New England, excluding the Berkshires and the South Coast of Rhode Island and Massachusetts. * WHEN...From 7 AM Sunday to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued July 5 at 2:45AM EDT until July 7 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Sat July 5, 2025, 2:45 AM
Expires: Sat July 5, 2025, 3:45 PM
* WHAT...Heat index values between 95 and 100 expected. Highest heat indices on Monday. * WHERE...Much of Southern New England, excluding the Berkshires and the South Coast of Rhode Island and Massachusetts. * WHEN...From 7 AM Sunday to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued July 5 at 2:45AM EDT until July 7 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Sat July 5, 2025, 2:45 AM
Expires: Sat July 5, 2025, 3:45 PM
* WHAT...Heat index values between 95 and 100 expected. Highest heat indices on Monday. * WHERE...Much of Southern New England, excluding the Berkshires and the South Coast of Rhode Island and Massachusetts. * WHEN...From 7 AM Sunday to 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Weather Forecast
Average Temperature: 68.9°F
Average Humidity: 81%
Wind: 14.5 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 14.39 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 108.52 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 8:18 PM
Daylight: 15 hrs 5 mins
Moon Transit: 8:46 PM
Moonset: 1:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.3%
Best Times for Fishing or Hunting
Major Periods
10:36 AM - 1:06 PM8:16 PM - 10:46 PM
Minor Periods
3:28 PM - 4:58 PM12:32 AM - 2:02 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 69°F
Average Humidity: 89%
Wind: 19.7 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 118.72 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:18 PM
Daylight: 15 hrs 4 mins
Moon Transit: 9:34 PM
Moonset: 1:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.4%
Best Times for Fishing or Hunting
Major Periods
11:22 AM - 1:52 PM9:04 PM - 11:34 PM
Minor Periods
4:32 PM - 6:02 PM12:59 AM - 2:29 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 71°F
Average Humidity: 96%
Wind: 19 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 4.01 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 61.6 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:17 PM
Daylight: 15 hrs 3 mins
Moon Transit: 10:25 PM
Moonset: 2:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
12:12 AM - 2:42 PM12:00 AM - 12:00 AM
Minor Periods
5:35 PM - 7:05 PM1:31 AM - 3:01 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 72.7°F
Average Humidity: 94%
Wind: 18.6 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 6.73 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 101.08 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:17 PM
Daylight: 15 hrs 2 mins
Moon Transit: 11:18 PM
Moonset: 2:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
1:05 PM - 3:35 PM12:00 AM - 12:00 AM
Minor Periods
6:34 PM - 8:04 PM2:12 AM - 3:42 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 69.3°F
Average Humidity: 96%
Wind: 10.7 mph
UV Index: 5
Air Quality
Nitrogen Dioxide: 8.72 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 134 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:17 PM
Daylight: 15 hrs 1 mins
Moon Transit: 12:00 AM
Moonset: 3:32 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:59 PM - 4:29 PM
Minor Periods
7:27 PM - 8:57 PM3:02 AM - 4:32 AM
Action Rating: 3 out of 5