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The Arm, MA Weather Forecast

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The Arm, MA Weather Forecast

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The Arm MA weather - Mostly Clear - 72°F
Mostly Clear
72°F
Updated 12:13 am
Feels Like 65°F
Humidity 78%
Wind SSW 15 mph
Barometer  29.94 in
Dew Point 65°F
The Arm MA weather - Mostly Clear - 22°C
Mostly Clear
22°C
Updated 12:13 am
Feels Like 18°C
Humidity 78%
Wind SSW 24 km/h
Barometer  101.4 kPa
Dew Point 18°C
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The Arm Weather Forecast

OVERNIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
The Arm, MA Weather - Overnight Isolated Showers The Arm, MA Weather - Thursday Chance Of Showers The Arm, MA Weather - Thursday Night Partly Cloudy The Arm, MA Weather - Friday Sunny The Arm, MA Weather - Friday Night Clear The Arm, MA Weather - Saturday Sunny The Arm, MA Weather - Saturday Night Partly Cloudy The Arm, MA Weather - Sunday Chance Of Showers The Arm, MA Weather - Sunday Night Chance Of Showers The Arm, MA Weather - Monday Partly Cloudy The Arm, MA Weather - Monday Night Partly Cloudy The Arm, MA Weather - Tuesday Sunny
Isolated Showers Chance of Showers Partly Cloudy Sunny Clear Sunny Partly Cloudy Chance of Showers Chance of Showers Partly Cloudy Partly Cloudy Sunny
Lo: 70°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 61°FLo: 16°C Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 75°FHi: 24°C
Lo: 60°FLo: 16°C		 Hi: 75°FHi: 24°C
Lo: 60°FLo: 16°C		 Hi: 75°FHi: 24°C
POP: 50% POP: 50% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1002 PM EDT Wed Sep 09 2026 The Arm, MA Weather - WeatherWorld.com

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Issued: 723 PM EDT Wed Sep 9 2026

Key Messages

  • Frontal passage tonight into tomorrow morning brings scattered showers and gusty southwest winds, especially over far southeastern Massachusetts, Cape Cod, and the Islands.
  • Dry weather, comfortable humidities and light onshore winds Friday through Saturday night. Cool nighttime low temperatures Friday night.
  • Frontal boundary Sunday brings increased humidity and chances for rain Sunday afternoon and evening.
  • High pressure returns for early next week, bringing a return to seasonable te...