Onset Beach, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
Jun 6 		Light Rain Early
Close Hourly 		-º / 62º 79% SW 12 mph 94%
11pm Showers 64º 59% SW 10 mph 89%
Sun
Jun 7 		Partly Cloudy
View Hourly 		82º / 53º 21% W 13 mph 59%
12am Showers 64º 47% SW 7 mph 93%
1am Cloudy 64º 22% SW 7 mph 93%
2am Cloudy 64º 24% SW 8 mph 93%
3am Partly Cloudy 63º 4% SW 9 mph 97%
4am Partly Cloudy 62º 4% SW 8 mph 100%
5am Partly Cloudy 62º 4% SW 8 mph 99%
6am Partly Cloudy 63º 20% SW 7 mph 97%
7am Mostly Sunny 67º 6% WSW 8 mph 87%
8am Partly Cloudy 71º 5% WSW 10 mph 76%
9am Mostly Sunny 73º 3% WSW 12 mph 68%
10am Sunny 76º 2% WSW 13 mph 60%
11am Sunny 77º 2% WSW 13 mph 57%
12pm Mostly Sunny 79º 4% WSW 13 mph 53%
1pm Partly Cloudy 80º 4% W 13 mph 50%
2pm Partly Cloudy 81º 7% W 13 mph 46%
3pm Partly Cloudy 81º 7% W 13 mph 46%
4pm Partly Cloudy 80º 8% W 11 mph 47%
5pm Cloudy 79º 21% WNW 12 mph 50%
6pm Cloudy 75º 22% NNW 12 mph 63%
7pm Showers 71º 54% NNW 10 mph 72%
8pm Showers 68º 46% N 9 mph 79%
9pm Rain 64º 60% NNE 11 mph 87%
10pm Showers 61º 37% NNE 12 mph 89%
11pm Cloudy 59º 23% NNE 12 mph 90%
Mon
Jun 8 		Sunny
View Hourly 		73º / 52º 0% NNE 15 mph 47%
12am Mostly Cloudy 58º 7% NNE 12 mph 88%
1am Partly Cloudy 57º 7% NNE 12 mph 87%
2am Partly Cloudy 56º 4% NNE 9 mph 86%
3am Clear 55º 5% NNE 9 mph 87%
4am Clear 54º 4% NNE 8 mph 86%
5am Clear 54º 4% NNE 9 mph 83%
6am Sunny 55º 3% NNE 10 mph 80%
7am Sunny 58º 1% NNE 12 mph 70%
8am Sunny 60º 0% NNE 14 mph 63%
9am Sunny 63º 0% NNE 15 mph 56%
10am Sunny 65º 0% NNE 15 mph 50%
11am Sunny 66º 0% NNE 14 mph 47%
12pm Sunny 68º 0% NNE 14 mph 42%
1pm Sunny 70º 0% NNE 13 mph 39%
2pm Sunny 71º 0% NNE 12 mph 38%
3pm Sunny 72º 0% NE 11 mph 37%
4pm Sunny 71º 0% NE 9 mph 38%
5pm Sunny 71º 0% NE 7 mph 39%
6pm Mostly Sunny 69º 0% S 8 mph 42%
7pm Sunny 67º 0% SW 6 mph 52%
8pm Sunny 64º 1% SW 5 mph 58%
9pm Clear 61º 1% SW 4 mph 63%
10pm Mostly Clear 59º 2% SW 4 mph 66%
Tue
Jun 9 		Sunny 81º / 57º 2% SW 13 mph 47%
Wed
Jun 10 		Partly Cloudy 79º / 61º 21% SW 16 mph 59%
Thu
Jun 11 		Mostly Cloudy 81º / 63º 24% SSW 12 mph 71%
Fri
Jun 12 		Partly Cloudy 83º / 63º 24% SSW 11 mph 70%
Sat
Jun 13 		Partly Cloudy 84º / 63º 17% 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

    SundayMonday
    Wind Speed (MPH) 10981313101291214116
    3am7am11am3pm7pm11pm3am7am11am3pm7pm11pm
    MPH 10981313101291214116
    DIR SWSWWSWWSWWNNWNNENNENNENNENESW

    Current Weather Conditions In Onset Beach, MA

    As Of: 18 minutes ago

    • 64ºF
    • 64ºF
    • 10mph
    • 0º (SW)
    • 18mph
    • Showers
    • 7mi
    • 29.73"
    • 89%
    • 0ºF

    The weather right now in Onset Beach, MA is Showers. The current temperature is 64°F, and the expected high and low for today, Saturday, June 6, 2026, are -° high temperature and 62°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 64° Fahrenheit. Expected precipitation is 59 percent, with current humidity at 89 percent, and air pressure at 29.73 in. Visibility is 7 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