Onset Beach, MA Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Fri Jul 17 |
 |
Partly Cloudy Close Hourly |
83º / 60º | 1% | WNW 9 mph | 47% |
| 7am |  |
Sunny | 67º | 1% | NW 4 mph | 71% |
| 8am |  |
Mostly Sunny | 71º | 1% | NW 6 mph | 61% |
| 9am | |
Partly Cloudy | 74º | 0% | NW 7 mph | 49% |
| 10am | |
Partly Cloudy | 76º | 0% | NW 8 mph | 45% |
| 11am | |
Mostly Sunny | 77º | 0% | NW 8 mph | 42% |
| 12pm | |
Sunny | 79º | 0% | WNW 8 mph | 40% |
| 1pm | |
Sunny | 80º | 0% | W 8 mph | 39% |
| 2pm | |
Sunny | 81º | 0% | W 8 mph | 38% |
| 3pm | |
Sunny | 81º | 0% | WSW 8 mph | 39% |
| 4pm | |
Sunny | 80º | 0% | WSW 9 mph | 44% |
| 5pm | |
Sunny | 80º | 0% | WSW 9 mph | 45% |
| 6pm | |
Sunny | 79º | 0% | SW 8 mph | 47% |
| 7pm | |
Sunny | 77º | 1% | WSW 7 mph | 51% |
| 8pm | |
Sunny | 75º | 2% | SW 5 mph | 55% |
| 9pm |  |
Clear | 71º | 3% | WSW 4 mph | 64% |
| 10pm | |
Clear | 69º | 4% | WSW 3 mph | 71% |
| 11pm |  |
Partly Cloudy | 66º | 4% | WSW 2 mph | 77% |
|
Sat Jul 18 |
 |
PM Thunderstorms View Hourly |
79º / 71º | 70% | SSW 18 mph | 77% |
| 12am | |
Partly Cloudy | 65º | 5% | WSW 2 mph | 81% |
| 1am |  |
Mostly Cloudy | 64º | 5% | WSW 2 mph | 86% |
| 2am | |
Partly Cloudy | 63º | 5% | WSW 2 mph | 88% |
| 3am | |
Partly Cloudy | 62º | 6% | SW 2 mph | 91% |
| 4am | |
Partly Cloudy | 61º | 6% | SW 2 mph | 90% |
| 5am | |
Partly Cloudy | 62º | 7% | SW 2 mph | 92% |
| 6am | |
Partly Cloudy | 63º | 7% | SSW 3 mph | 95% |
| 7am | |
Partly Cloudy | 69º | 7% | SSW 5 mph | 87% |
| 8am | |
Partly Cloudy | 72º | 4% | SSW 8 mph | 83% |
| 9am | |
Partly Cloudy | 75º | 5% | SSW 10 mph | 76% |
| 10am | |
Partly Cloudy | 77º | 4% | SSW 12 mph | 70% |
| 11am | |
Partly Cloudy | 78º | 1% | SSW 14 mph | 67% |
| 12pm | |
Partly Cloudy | 78º | 1% | SSW 16 mph | 68% |
| 1pm |  |
Mostly Cloudy | 78º | 5% | SSW 16 mph | 66% |
| 2pm |  |
Cloudy | 77º | 17% | SSW 17 mph | 72% |
| 3pm |  |
Showers | 76º | 43% | SSW 17 mph | 76% |
| 4pm |  |
Thunderstorms | 74º | 70% | SSW 18 mph | 83% |
| 5pm | |
Thunderstorms | 73º | 64% | SSW 18 mph | 87% |
| 6pm | |
Scattered Thunderstorms | 73º | 53% | SSW 17 mph | 88% |
| 7pm | |
Thunderstorms | 74º | 63% | SSW 18 mph | 87% |
| 8pm | |
Scattered Thunderstorms | 73º | 52% | SSW 17 mph | 90% |
| 9pm | |
Thunderstorms | 72º | 62% | SSW 16 mph | 94% |
| 10pm | |
Thunderstorms | 72º | 74% | SSW 14 mph | 97% |
| 11pm |  |
Scattered Thunderstorms | 72º | 53% | SW 15 mph | 96% |
|
Sun Jul 19 |
|
Partly Cloudy View Hourly |
81º / 60º | 6% | WNW 13 mph | 57% |
| 12am | |
Thunderstorms | 72º | 62% | SW 15 mph | 97% |
| 1am | |
Scattered Thunderstorms | 72º | 47% | SW 14 mph | 96% |
| 2am | |
Cloudy | 72º | 24% | SW 14 mph | 96% |
| 3am | |
Cloudy | 72º | 24% | WSW 13 mph | 95% |
| 4am | |
Cloudy | 72º | 15% | WSW 12 mph | 93% |
| 5am | |
Mostly Cloudy | 72º | 10% | WSW 11 mph | 93% |
| 6am | |
Mostly Cloudy | 72º | 7% | W 10 mph | 92% |
|
Mon Jul 20 |
|
Sunny | 80º / 65º | 1% | WSW 11 mph | 53% |
|
Tue Jul 21 |
|
Showers | 78º / 70º | 48% | S 15 mph | 75% |
|
Wed Jul 22 |
|
Thunderstorms | 82º / 65º | 84% | SW 16 mph | 79% |
|
Thu Jul 23 |
|
Partly Cloudy | 80º / 64º | 24% | WSW 10 mph | 66% |
|
Fri Jul 24 |
|
Partly Cloudy | 80º / 65º | 22% | SW 9 mph | 66% |
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For Onset Beach, MA -
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In Onset Beach, MA -
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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
Today
High : 78ºF
NW wind 5 to 8 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.
NW wind 5 to 8 kt becoming WSW in the afternoon. Sunny. Seas 1 ft or less.
Tonight
Low : 60ºF
Variable winds 5 kt or less. Areas of smoke after 10pm. Seas 1 ft or less.
Variable winds 5 kt or less. Areas of smoke after 10pm. Seas 1 ft or less.
Saturday
High : 78ºF
SSW wind 6 to 11 kt increasing to 11 to 16 kt in the afternoon. Winds could gust as high as 26 kt. A chance of showers, with thunderstorms also possible after 5pm. Areas of smoke before 3pm. Seas 1 ft or less.
SSW wind 6 to 11 kt increasing to 11 to 16 kt in the afternoon. Winds could gust as high as 26 kt. A chance of showers, with thunderstorms also possible after 5pm. Areas of smoke before 3pm. Seas 1 ft or less.
Saturday Night
Low : 72ºF
S wind 13 to 16 kt becoming SW after midnight. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
S wind 13 to 16 kt becoming SW after midnight. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Sunday
High : 79ºF
WNW wind 8 to 10 kt. A chance of showers, mainly before 7am. Seas 1 ft or less.
WNW wind 8 to 10 kt. A chance of showers, mainly before 7am. Seas 1 ft or less.
Sunday Night
Low : 61ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
High : 78ºF
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
Low : 66ºF
SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Tuesday
High : 78ºF
S wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 21 kt. Partly sunny. Seas 1 ft or less.
S wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 21 kt. Partly sunny. Seas 1 ft or less.
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Wind Speed Forecast for Onset Beach, MA
| Friday | Saturday | Sunday | ||||||||||
| Wind Speed (MPH) | 4 | 8 | 8 | 7 | 2 | 2 | 5 | 14 | 17 | 18 | 15 | 13 |
| 11am | 3pm | 7pm | 11pm | 3am | 7am | 11am | 3pm | 7pm | 11pm | 3am | 7am | |
| MPH | 4 | 8 | 8 | 7 | 2 | 2 | 5 | 14 | 17 | 18 | 15 | 13 |
| DIR | NW | NW | WSW | WSW | WSW | SW | SSW | SSW | SSW | SSW | SW | WSW |
Current Weather Conditions In Onset Beach, MA
As Of: 41 minutes ago
- 67ºF
- 67ºF
- 4mph
- 0º (NW)
- 4mph
- Sunny
- 5mi
- 29.98"
- 71%
- 0ºF
The weather right now in Onset Beach, MA is Sunny. The current temperature is 67°F, and the expected high and low for today, Friday, July 17, 2026, are 83° high temperature and 60°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Northwest. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 67° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 71 percent, and air pressure at 29.98 in. Visibility is 5 nautical miles. There are no current weather alert(s).
