Weather for Wellfleet, Massachusetts
Current Weather
Humidity: 76%
Feels Like: 66.9°F
Wind: SSW 11.2 mph
Wind Gusts: 18.5 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Wed
H: 73°F
L: 65°F
Thu
H: 75°F
L: 68°F
Fri
H: 74°F
L: 70°F
Sat
H: 70°F
L: 66°F
Sun
H: 72°F
L: 65°F
Air Quality
Nitrogen Dioxide: 2.96 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 66 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moon Transit: 11:46 AM
Moonset: 7:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
1:31 AM - 4:01 AM11:16 AM - 1:46 PM
Minor Periods
7:19 PM - 8:49 PM3:05 AM - 4:35 AM
Action Rating: 2 out of 5
Heat Advisory issued July 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM
* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * 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 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM
* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * 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 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM
* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * 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 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM
* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * 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: 68.3°F
Average Humidity: 83%
Wind: 13.9 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 4.36 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 70.88 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moon Transit: 11:46 AM
Moonset: 7:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
1:31 AM - 4:01 AM11:16 AM - 1:46 PM
Minor Periods
7:19 PM - 8:49 PM3:05 AM - 4:35 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 70.8°F
Average Humidity: 79%
Wind: 20.6 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 3.34 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 82.04 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:07 PM
Daylight: 14 hrs 41 mins
Moon Transit: 12:45 AM
Moonset: 8:29 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
2:32 AM - 5:02 AM12:15 AM - 2:45 PM
Minor Periods
7:59 PM - 9:29 PM4:19 AM - 5:49 AM
Action Rating: 6 out of 5
Weather Forecast
Average Temperature: 71.9°F
Average Humidity: 90%
Wind: 23.7 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 3.57 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 92.72 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:06 PM
Daylight: 14 hrs 39 mins
Moon Transit: 1:38 PM
Moonset: 8:59 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
3:27 AM - 5:57 AM1:08 PM - 3:38 PM
Minor Periods
8:29 PM - 9:59 PM5:35 AM - 7:05 AM
Action Rating: 6 out of 5
Weather Forecast
Average Temperature: 69.4°F
Average Humidity: 83%
Wind: 13.6 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 92.62 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:05 PM
Daylight: 14 hrs 37 mins
Moon Transit: 2:27 PM
Moonset: 9:23 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
4:18 AM - 6:48 AM1:57 PM - 4:27 PM
Minor Periods
8:53 PM - 10:23 PM6:47 AM - 8:17 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 67.6°F
Average Humidity: 70%
Wind: 7.8 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:04 PM
Daylight: 14 hrs 35 mins
Moon Transit: 3:11 PM
Moonset: 9:44 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
5:04 AM - 7:34 AM2:41 PM - 5:11 PM
Minor Periods
9:14 PM - 10:44 PM7:57 AM - 9:27 AM
Action Rating: 4 out of 5