41.7417’ N, 70.6583’ W

Onset Beach, MA

79°
H 79°
L 63°
S
6mph
Low tide
2:13 pm

Onset Beach, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Aug 26
Mostly Sunny
Close Hourly
79º / 63º 2% S 8 mph 59%
1pm Partly Cloudy 79º 0% S 6 mph 54%
2pm Partly Cloudy 79º 1% SSW 7 mph 56%
3pm Partly Cloudy 78º 1% SSW 8 mph 57%
4pm Mostly Sunny 77º 1% SSW 8 mph 61%
5pm Sunny 76º 1% SSW 9 mph 64%
6pm Sunny 74º 2% SSW 8 mph 68%
7pm Sunny 72º 3% SSW 7 mph 75%
8pm Clear 70º 5% SSW 5 mph 81%
9pm Clear 68º 6% SSW 5 mph 88%
10pm Partly Cloudy 67º 7% SSW 5 mph 92%
11pm Partly Cloudy 66º 7% SSW 4 mph 94%
Thu
Aug 27
Partly Cloudy
View Hourly
80º / 70º 9% SSW 14 mph 72%
12am Mostly Cloudy 65º 8% SSW 3 mph 96%
1am Partly Cloudy 65º 8% SSW 3 mph 98%
2am Mostly Cloudy 65º 8% SSW 3 mph 100%
3am Mostly Cloudy 65º 8% SW 4 mph 99%
4am Cloudy 65º 8% SW 4 mph 98%
5am Cloudy 64º 8% SSW 4 mph 100%
6am Cloudy 65º 8% SSW 4 mph 100%
7am Mostly Cloudy 67º 8% S 4 mph 97%
8am Mostly Cloudy 70º 8% SSW 6 mph 89%
9am Mostly Cloudy 73º 10% SSW 8 mph 79%
10am Mostly Cloudy 76º 6% SSW 10 mph 70%
11am Mostly Cloudy 77º 3% SSW 11 mph 67%
12pm Partly Cloudy 77º 2% SSW 12 mph 65%
1pm Partly Cloudy 78º 1% SSW 13 mph 63%
2pm Partly Cloudy 79º 1% SSW 14 mph 62%
3pm Partly Cloudy 79º 2% SSW 14 mph 63%
4pm Partly Cloudy 78º 2% SSW 14 mph 66%
5pm Partly Cloudy 77º 1% SSW 13 mph 69%
6pm Mostly Cloudy 76º 3% SSW 13 mph 71%
7pm Mostly Cloudy 75º 4% S 10 mph 76%
8pm Mostly Cloudy 73º 7% S 9 mph 83%
9pm Mostly Cloudy 73º 7% S 9 mph 85%
10pm Cloudy 73º 12% S 8 mph 86%
11pm Cloudy 73º 18% S 8 mph 87%
Fri
Aug 28
PM Thunderstorms
View Hourly
81º / 62º 54% SSW 9 mph 80%
12am Mostly Cloudy 72º 24% S 7 mph 90%
1am Few Showers 71º 31% S 6 mph 93%
2am Partly Cloudy 71º 18% S 6 mph 95%
3am Mostly Cloudy 71º 11% S 5 mph 96%
4am Mostly Cloudy 71º 11% S 4 mph 95%
5am Mostly Cloudy 71º 14% S 4 mph 96%
6am Mostly Cloudy 71º 21% SSE 4 mph 98%
7am Mostly Cloudy 71º 15% SSE 3 mph 98%
8am Cloudy 72º 22% S 4 mph 95%
9am Mostly Cloudy 75º 22% SSW 5 mph 87%
10am Mostly Cloudy 77º 17% SSW 6 mph 81%
11am Mostly Cloudy 79º 19% SSW 6 mph 76%
12pm Mostly Cloudy 80º 22% SSW 7 mph 73%
Sat
Aug 29
Partly Cloudy 74º / 61º 5% NE 9 mph 63%
Sun
Aug 30
Partly Cloudy 81º / 67º 8% WSW 13 mph 65%
Mon
Aug 31
Partly Cloudy 80º / 66º 24% WNW 9 mph 68%
Tue
Sep 1
Showers 75º / 66º 45% SSE 10 mph 82%
Wed
Sep 2
AM Showers 79º / 65º 49% S 10 mph 80%

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 : 77ºF
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Tonight
Low : 66ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
High : 78ºF
Variable winds less than 5 kt becoming SSW 8 to 13 kt in the morning. Winds could gust as high as 21 kt. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.
Thursday Night
Low : 70ºF
S wind 6 to 9 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.
Friday
High : 78ºF
SSW wind 5 to 7 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Friday Night
Low : 66ºF
Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 7pm. Seas 1 ft or less.
Saturday
High : 74ºF
N wind 5 to 7 kt becoming NE in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
Low : 63ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
High : 77ºF
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Sunny. 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

    WednesdayThursdayFriday
    Wind Speed (MPH) 69534813139645
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 69534813139645
    DIR SSSWSSWSSWSSWSSWSSWSSWSSSSSW

    Current Weather Conditions In Onset Beach, MA

    As Of: 21 minutes ago

    • 79ºF
    • 81ºF
    • 6mph
    • 0º (S)
    • 6mph
    • Partly Cloudy
    • 10mi
    • 30.04"
    • 54%
    • 0ºF

    The weather right now in Onset Beach, MA is Partly Cloudy. The current temperature is 79°F, and the expected high and low for today, Wednesday, August 26, 2026, are 79° high temperature and 63°F low temperature. The wind is currently blowing at 6 miles per hour, and coming from the South. The wind is gusting to 6 mph. With the wind and the atmosphere the temperature feels like 81° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 54 percent, and air pressure at 30.04 in. Visibility is 10 nautical miles. There are no current weather alert(s).