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Onset, MA Weather Forecast

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Onset, MA Weather Forecast

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Onset MA weather - Clear - 65°F
Clear
65°F
Updated 2:25 am
Feels Like 58°F
Humidity 58%
Wind WSW 7 mph
Barometer  29.85 in
Dew Point 50°F
Onset MA weather - Clear - 18°C
Clear
18°C
Updated 2:25 am
Feels Like 15°C
Humidity 58%
Wind WSW 11 km/h
Barometer  101 kPa
Dew Point 10°C
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Onset Weather Forecast

REST OF TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY WEDNESDAY WEDNESDAY NIGHT
Onset, MA Weather - Rest Of Tonight Mostly Clear Onset, MA Weather - Friday Mostly Sunny Onset, MA Weather - Friday Night Clear Onset, MA Weather - Saturday Sunny Onset, MA Weather - Saturday Night Chance Of Showers Onset, MA Weather - Sunday Showers Onset, MA Weather - Sunday Night Chance Of Showers Onset, MA Weather - Monday Mostly Sunny Onset, MA Weather - Monday Night Mostly Clear Onset, MA Weather - Tuesday Mostly Clear Onset, MA Weather - Wednesday Sunny Onset, MA Weather - Wednesday Night Partly Cloudy
Mostly Clear Mostly Sunny Clear Sunny Chance of Showers Showers Chance of Showers Mostly Sunny Mostly Clear Mostly Clear Sunny Partly Cloudy
Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 49°FLo: 9°C Hi: 79°FHi: 26°C
 Lo: 61°FLo: 16°C Hi: 75°FHi: 24°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Hi: 71°FHi: 22°C
Lo: 59°FLo: 15°C		 Hi: 71°FHi: 22°C
Lo: 59°FLo: 15°C		 Hi: 79°FHi: 26°C
 Hi: 75°FHi: 24°C
Lo: 61°FLo: 16°C
POP: 50% POP: 80% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 102 AM EDT Fri Sep 11 2026 Onset, MA Weather - WeatherWorld.com

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Issued: 736 PM EDT Thu Sep 10 2026

Key Messages

  • Plenty of sunshine with comfortable humidity Fri-Sat. Highs mainly in the 70s. Lows Fri night in the 40s and 50s.
  • Chances for showers return late Saturday night into Sunday. Dry and seasonable weather returns Monday.
  • A quick bought of summer like heat is possible towards the middle of next weak ahead of a cold front.

Discussion

... KEY MESSAGE 1...Plenty of sunshine with comfortable humidity Fri-Sat. Highs mainly in the 70s. Lows Fri night in the 40s and 50s.

Large high pressure arrives...