Onset Beach, MA Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Thu Aug 6 |
 |
AM Clouds/PM Sun Close Hourly |
83º / 71º | 15% | SW 13 mph | 83% |
| 9am |  |
Cloudy | 77º | 15% | SW 10 mph | 91% |
| 10am | |
Cloudy | 79º | 4% | SW 10 mph | 88% |
| 11am |  |
Mostly Cloudy | 79º | 4% | SW 10 mph | 87% |
| 12pm | |
Partly Cloudy | 81º | 5% | SW 10 mph | 82% |
| 1pm | |
Partly Cloudy | 82º | 5% | SW 12 mph | 81% |
| 2pm | |
Partly Cloudy | 82º | 4% | SW 12 mph | 80% |
| 3pm | |
Partly Cloudy | 83º | 9% | SW 13 mph | 79% |
| 4pm | |
Partly Cloudy | 82º | 14% | SW 13 mph | 79% |
| 5pm | |
Partly Cloudy | 82º | 8% | SW 12 mph | 80% |
| 6pm | |
Partly Cloudy | 80º | 8% | SW 11 mph | 81% |
| 7pm | |
Partly Cloudy | 79º | 10% | SW 10 mph | 84% |
| 8pm |  |
Partly Cloudy | 78º | 9% | SW 9 mph | 87% |
| 9pm | |
Partly Cloudy | 76º | 9% | SW 8 mph | 93% |
| 10pm | |
Partly Cloudy | 75º | 10% | SW 7 mph | 96% |
| 11pm | |
Partly Cloudy | 74º | 10% | SW 7 mph | 97% |
|
Fri Aug 7 |
|
Partly Cloudy View Hourly |
88º / 72º | 21% | SW 12 mph | 75% |
| 12am | |
Partly Cloudy | 74º | 10% | SW 6 mph | 98% |
| 1am | |
Partly Cloudy | 74º | 12% | SW 5 mph | 98% |
| 2am | |
Partly Cloudy | 73º | 21% | SW 5 mph | 99% |
| 3am | |
Cloudy | 73º | 21% | SW 5 mph | 100% |
| 4am | |
Cloudy | 73º | 21% | SW 5 mph | 100% |
| 5am | |
Cloudy | 72º | 22% | SW 4 mph | 100% |
| 6am | |
Mostly Cloudy | 72º | 21% | WSW 4 mph | 100% |
| 7am | |
Mostly Cloudy | 74º | 21% | WSW 4 mph | 97% |
| 8am | |
Partly Cloudy | 78º | 9% | WSW 5 mph | 90% |
| 9am | |
Partly Cloudy | 81º | 8% | WSW 6 mph | 82% |
| 10am |  |
Mostly Sunny | 83º | 9% | WSW 6 mph | 74% |
| 11am | |
Partly Cloudy | 85º | 18% | WSW 8 mph | 69% |
| 12pm | |
Partly Cloudy | 86º | 17% | SW 8 mph | 67% |
| 1pm | |
Partly Cloudy | 87º | 18% | SW 10 mph | 65% |
| 2pm | |
Partly Cloudy | 87º | 17% | SW 11 mph | 66% |
| 3pm | |
Partly Cloudy | 86º | 19% | SW 12 mph | 67% |
| 4pm | |
Partly Cloudy | 85º | 19% | SW 12 mph | 71% |
| 5pm | |
Mostly Cloudy | 84º | 15% | SW 11 mph | 73% |
| 6pm | |
Mostly Cloudy | 82º | 17% | SW 10 mph | 76% |
| 7pm | |
Mostly Cloudy | 80º | 15% | SW 8 mph | 79% |
| 8pm |  |
Mostly Cloudy | 78º | 15% | SW 7 mph | 83% |
| 9pm | |
Mostly Cloudy | 76º | 15% | SW 6 mph | 89% |
| 10pm | |
Mostly Cloudy | 75º | 15% | SW 6 mph | 93% |
| 11pm | |
Mostly Cloudy | 75º | 9% | SW 6 mph | 96% |
|
Sat Aug 8 |
|
AM Clouds/PM Sun View Hourly |
86º / 71º | 22% | SW 14 mph | 76% |
| 12am | |
Mostly Cloudy | 74º | 10% | SW 5 mph | 96% |
| 1am | |
Mostly Cloudy | 74º | 17% | SW 5 mph | 97% |
| 2am | |
Mostly Cloudy | 73º | 17% | SW 5 mph | 99% |
| 3am | |
Cloudy | 73º | 18% | SW 6 mph | 99% |
| 4am | |
Cloudy | 73º | 23% | SW 5 mph | 98% |
| 5am | |
Cloudy | 73º | 22% | SW 5 mph | 99% |
| 6am | |
Cloudy | 73º | 24% | SW 5 mph | 98% |
| 7am | |
Cloudy | 74º | 23% | SW 7 mph | 97% |
| 8am | |
Cloudy | 76º | 21% | SW 8 mph | 91% |
|
Sun Aug 9 |
|
Mostly Sunny | 89º / 67º | 17% | WSW 13 mph | 62% |
|
Mon Aug 10 |
|
Partly Cloudy | 87º / 70º | 4% | WSW 12 mph | 53% |
|
Tue Aug 11 |
 |
Scattered Thunderstorms | 85º / 66º | 39% | SW 13 mph | 67% |
|
Wed Aug 12 |
 |
Showers | 80º / 66º | 35% | W 8 mph | 68% |
|
Thu Aug 13 |
|
Partly Cloudy | 81º / 68º | 22% | SW 11 mph | 66% |
-
Buoy Data
For Onset Beach, MA -
Wind Forecast
In Onset Beach, MA -
Radar
In Onset Beach, MA -
Marine Forecast
In Onset Beach, MA
Weather Radar for Onset Beach, MA See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for Onset Beach, MA
SW wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Patchy fog before 11am. Seas 1 ft or less.
SW wind 5 to 9 kt. Patchy fog after midnight. Seas 1 ft or less.
SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
SW wind 6 to 8 kt. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas 1 ft or less.
SW wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 22 kt. Mostly sunny. Seas 1 ft or less.
SW wind 5 to 10 kt. A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Seas 1 ft or less.
WSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.
WSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. Sunny. Seas 1 ft or less.
NOAA Buoy Data Near Onset Beach, MA See Map
Featured Local Businesses
Wind Speed Forecast for Onset Beach, MA
| Thursday | Friday | Saturday | ||||||||||
| Wind Speed (MPH) | 10 | 12 | 12 | 8 | 5 | 4 | 6 | 10 | 11 | 6 | 5 | 5 |
| 1pm | 5pm | 9pm | 1am | 5am | 9am | 1pm | 5pm | 9pm | 1am | 5am | 9am | |
| MPH | 10 | 12 | 12 | 8 | 5 | 4 | 6 | 10 | 11 | 6 | 5 | 5 |
| DIR | SW | SW | SW | SW | SW | SW | WSW | SW | SW | SW | SW | SW |
Current Weather Conditions In Onset Beach, MA
As Of: 7 minutes ago
- 77ºF
- 77ºF
- 10mph
- 0º (SW)
- 18mph
- Cloudy
- 8mi
- 30.12"
- 91%
- 0ºF
The weather right now in Onset Beach, MA is Cloudy. The current temperature is 77°F, and the expected high and low for today, Thursday, August 6, 2026, are 83° high temperature and 71°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the Southwest. The wind is gusting to 18 mph. With the wind and the atmosphere the temperature feels like 77° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 91 percent, and air pressure at 30.12 in. Visibility is 8 nautical miles. There are 1 current weather alert(s).
...HEAT ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 8 PM EDT FRIDAY...
WHAT: Heat index values up to 99 expected.
WHERE: Portions of northern Connecticut, central, eastern,
northeastern, southeastern and western Massachusetts and
northern and southern Rhode Island.
WHEN: From 11 AM this morning to 8 PM EDT Friday.
IMPACTS: Hot temperatures and high humidity may cause heat
illnesses to occur.
PRECAUTIONARY / PREPAREDNESS ACTIONS:
Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.
Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.
&&
