41.7417’ N, 70.6583’ W

Onset Beach, MA

68°
H 72°
L 47°
SW
18mph
Low tide
2:01 pm

Onset Beach, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Oct 8
Partly Cloudy
Close Hourly
72º / 47º 2% WSW 18 mph 60%
12pm Partly Cloudy 68º 2% SW 18 mph 74%
1pm Partly Cloudy 69º 1% WSW 16 mph 69%
2pm Partly Cloudy 72º 1% WSW 14 mph 60%
3pm Mostly Sunny 72º 0% WSW 11 mph 56%
4pm Sunny 71º 2% W 10 mph 52%
5pm Sunny 69º 0% W 9 mph 51%
6pm Sunny 66º 0% W 8 mph 54%
7pm Clear 62º 0% W 6 mph 57%
8pm Clear 60º 1% WNW 5 mph 61%
9pm Clear 57º 1% WNW 5 mph 65%
10pm Clear 56º 1% WNW 5 mph 67%
11pm Clear 54º 2% WNW 4 mph 72%
Fri
Oct 9
Sunny
View Hourly
69º / 44º 4% W 14 mph 54%
12am Clear 53º 2% W 4 mph 74%
1am Clear 52º 2% W 4 mph 76%
2am Clear 51º 2% W 4 mph 77%
3am Clear 50º 2% W 4 mph 79%
4am Clear 49º 3% W 4 mph 82%
5am Clear 49º 3% W 4 mph 84%
6am Clear 48º 4% W 5 mph 85%
7am Sunny 48º 4% W 5 mph 85%
8am Sunny 53º 3% W 5 mph 76%
9am Sunny 57º 1% W 7 mph 69%
10am Sunny 61º 0% W 10 mph 60%
11am Sunny 64º 0% W 11 mph 51%
12pm Sunny 66º 2% W 13 mph 46%
1pm Sunny 67º 1% W 13 mph 44%
2pm Sunny 67º 0% W 14 mph 42%
3pm Sunny 68º 0% W 13 mph 42%
4pm Sunny 67º 0% W 13 mph 42%
5pm Sunny 65º 0% WNW 11 mph 45%
6pm Sunny 62º 0% W 9 mph 50%
7pm Clear 59º 0% W 7 mph 54%
8pm Clear 57º 0% W 6 mph 58%
9pm Clear 55º 1% W 5 mph 62%
10pm Clear 54º 1% W 6 mph 64%
11pm Clear 52º 0% W 6 mph 68%
Sat
Oct 10
Mostly Sunny
View Hourly
64º / 45º 4% NNW 8 mph 57%
12am Clear 51º 1% W 6 mph 71%
1am Clear 50º 1% W 5 mph 74%
2am Clear 49º 2% WNW 5 mph 76%
3am Clear 48º 2% WNW 6 mph 78%
4am Clear 47º 3% WNW 5 mph 82%
5am Mostly Clear 46º 4% NW 5 mph 85%
6am Mostly Clear 45º 4% NW 4 mph 89%
7am Mostly Sunny 45º 4% NNW 4 mph 88%
8am Mostly Sunny 50º 3% NNW 5 mph 78%
9am Sunny 53º 1% NNW 7 mph 70%
10am Mostly Sunny 56º 0% NNW 8 mph 63%
11am Sunny 58º 0% NNW 7 mph 55%
Sun
Oct 11
Mostly Cloudy 65º / 56º 24% S 11 mph 70%
Mon
Oct 12
AM Rain 64º / 53º 86% NNE 10 mph 91%
Tue
Oct 13
PM Showers 69º / 57º 33% S 12 mph 79%
Wed
Oct 14
Mostly Sunny 67º / 47º 24% NNW 14 mph 67%
Thu
Oct 15
Partly Cloudy 62º / 52º 16% N 9 mph 65%

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 : 69ºF
SW wind 11 to 16 kt, with gusts as high as 27 kt. A slight chance of showers between noon and 3pm. Seas 1 ft or less.
Tonight
Low : 49ºF
WNW wind around 6 kt. Mostly clear. Seas 1 ft or less.
Friday
High : 66ºF
W wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
Low : 44ºF
WNW wind 5 to 8 kt. Clear. Seas 1 ft or less.
Saturday
High : 63ºF
Variable winds less than 5 kt becoming NW around 6 kt. Sunny. Seas 1 ft or less.
Saturday Night
Low : 53ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
High : 66ºF
SSW wind 5 to 8 kt increasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas 1 ft or less.
Sunday Night
Low : 58ºF
S wind around 8 kt. Showers. Seas 1 ft or less.
Columbus Day
High : 66ºF
SE wind 7 to 9 kt becoming N in the afternoon. Showers likely. 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

    ThursdayFridaySaturday
    Wind Speed (MPH) 1810544513136655
    4pm8pm12am4am8am12pm4pm8pm12am4am8am12pm
    MPH 1810544513136655
    DIR SWWWNWWWWWWWWWNWNNW

    Current Weather Conditions In Onset Beach, MA

    As Of: 17 minutes ago

    • 68ºF
    • 68ºF
    • 18mph
    • 0º (SW)
    • 30mph
    • Partly Cloudy
    • 10mi
    • 29.79"
    • 74%
    • 0ºF

    The weather right now in Onset Beach, MA is Partly Cloudy. The current temperature is 68°F, and the expected high and low for today, Thursday, October 8, 2026, are 72° high temperature and 47°F low temperature. The wind is currently blowing at 18 miles per hour, and coming from the Southwest. The wind is gusting to 30 mph. With the wind and the atmosphere the temperature feels like 68° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 74 percent, and air pressure at 29.79 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 9:10am Thu Oct 8 2026

    ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

    WHAT: Southwest winds 10 to 20 kt with gusts up to 30 kt and
    seas 2 to 4 feet.

    WHERE: Portions of Massachusetts coastal waters and Rhode
    Island coastal waters.

    WHEN: Until 8 PM EDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&