Onset Beach, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Jun 6 		Showers Late -º / 61º 36% SW 11 mph 94%
Sun
Jun 7 		Mostly Sunny
View Hourly 		81º / 53º 24% W 13 mph 60%
12am Mostly Cloudy 65º 24% SW 8 mph 87%
1am Showers 64º 49% SW 6 mph 90%
2am Mostly Cloudy 64º 24% SW 7 mph 90%
3am Partly Cloudy 64º 4% SW 8 mph 93%
4am Partly Cloudy 64º 4% SW 7 mph 96%
5am Partly Cloudy 64º 4% SW 8 mph 97%
6am Partly Cloudy 64º 5% SW 8 mph 95%
7am Mostly Sunny 66º 6% WSW 8 mph 87%
8am Partly Cloudy 70º 5% WSW 11 mph 78%
9am Mostly Sunny 72º 3% WSW 12 mph 70%
10am Sunny 75º 2% WSW 13 mph 62%
11am Sunny 76º 2% WSW 13 mph 60%
12pm Mostly Sunny 77º 6% WSW 13 mph 57%
1pm Partly Cloudy 79º 3% WSW 13 mph 52%
2pm Partly Cloudy 79º 7% W 13 mph 48%
3pm Partly Cloudy 79º 7% W 13 mph 48%
4pm Partly Cloudy 79º 8% W 11 mph 49%
5pm Mostly Cloudy 78º 22% WNW 12 mph 52%
6pm Cloudy 75º 24% NNW 12 mph 62%
7pm Showers 71º 57% NNW 10 mph 73%
8pm Showers 68º 45% N 9 mph 79%
9pm Rain 64º 61% NNE 11 mph 87%
10pm Showers 61º 37% NNE 12 mph 89%
11pm Cloudy 59º 23% NNE 13 mph 91%
Mon
Jun 8 		Sunny
View Hourly 		73º / 52º 0% NNE 15 mph 47%
12am Mostly Cloudy 58º 7% NNE 13 mph 89%
1am Partly Cloudy 57º 7% NNE 12 mph 87%
2am Partly Cloudy 56º 4% NNE 10 mph 86%
3am Mostly Clear 55º 5% NNE 9 mph 87%
4am Clear 54º 5% NNE 9 mph 87%
5am Clear 54º 4% NNE 10 mph 84%
6am Sunny 55º 3% NNE 10 mph 80%
7am Sunny 57º 1% NNE 13 mph 70%
8am Sunny 60º 0% NNE 15 mph 63%
9am Sunny 62º 0% NNE 15 mph 56%
10am Sunny 64º 0% NNE 15 mph 50%
11am Sunny 66º 0% NNE 15 mph 47%
12pm Sunny 68º 0% NNE 14 mph 42%
1pm Sunny 69º 0% NNE 13 mph 40%
2pm Sunny 71º 0% NNE 12 mph 38%
3pm Sunny 71º 0% NE 11 mph 38%
4pm Sunny 71º 0% NE 9 mph 38%
5pm Sunny 70º 0% NE 7 mph 39%
6pm Mostly Sunny 69º 0% SSW 8 mph 42%
7pm Sunny 67º 0% SW 6 mph 53%
8pm Sunny 63º 1% SW 5 mph 58%
9pm Clear 61º 1% SW 4 mph 63%
10pm Mostly Clear 59º 2% SW 5 mph 66%
11pm Partly Cloudy 58º 2% WSW 5 mph 72%
Tue
Jun 9 		Sunny 81º / 57º 2% SW 14 mph 47%
Wed
Jun 10 		Partly Cloudy 79º / 61º 21% SW 16 mph 60%
Thu
Jun 11 		Mostly Cloudy 80º / 63º 24% SSW 13 mph 71%
Fri
Jun 12 		Partly Cloudy 82º / 63º 24% SSW 11 mph 71%
Sat
Jun 13 		Partly Cloudy 83º / 63º 16% SSW 10 mph 67%

Weather Radar for Onset Beach, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Onset Beach, MA

Tonight
Low : 62ºF
SW wind 9 to 13 kt. Scattered showers, mainly before 2am. Patchy fog between 2am and 3am, then Patchy fog after 4am. Seas 1 ft or less.
Sunday
High : 79ºF
WSW wind around 10 kt. A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Seas 1 ft or less.
Sunday Night
Low : 53ºF
N wind around 9 kt, with gusts as high as 22 kt. Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Seas 1 ft or less.
Monday
High : 68ºF
N wind 9 to 12 kt becoming NE in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas 1 ft or less.
Monday Night
Low : 57ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
High : 74ºF
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 60ºF
WSW wind 5 to 7 kt. Mostly clear. Seas 1 ft or less.
Wednesday
High : 76ºF
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Sunny. Seas 1 ft or less.
Wednesday Night
Low : 62ºF
SW wind 5 to 8 kt. A chance of showers. Seas 1 ft or less.

NOAA Buoy Data Near Onset Beach, MA See Map

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    Wind Speed Forecast for Onset Beach, MA

    SundayMondayTuesday
    Wind Speed (MPH) 871113119139151495
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 871113119139151495
    DIR SWSWWSWWSWWNNNENNENNENNENESW

    Current Weather Conditions In Onset Beach, MA

    As Of: 26 minutes ago

    • 65ºF
    • 65ºF
    • 8mph
    • 0º (SW)
    • 8mph
    • Mostly Cloudy
    • 10mi
    • 29.72"
    • 87%
    • 0ºF

    The weather right now in Onset Beach, MA is Mostly Cloudy. The current temperature is 65°F, and the expected high and low for today, Sunday, June 7, 2026, are -° high temperature and 61°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the Southwest. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 65° Fahrenheit. Expected precipitation is 24 percent, with current humidity at 87 percent, and air pressure at 29.72 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Air Quality Alert - 2:57am Sat Jun 6 2026

    ...AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT THIS EVENING...

    The Massachusetts Department of Environmental Protection has issued
    an Air Quality Alert for Ground Level Ozone, from 11 AM this morning
    to 11 PM EDT this evening.

    An Air Quality Alert day means that Ground Level Ozone
    concentrations within the region may approach or exceed levels that
    are Unhealthy for Sensitive Groups.

    Air is unhealthy for sensitive children and adults, such as those
    with asthma, lung or heart disease, and older adults. Sensitive
    children and adults should limit prolonged outdoor activity.

    For additional information, please visit the Massachusetts
    Department of Environmental Protection website at:
    https://mass.gov/dep/massair/forecast