Merrimac, MA Weather Forecast

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Merrimac, MA Weather Forecast

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Merrimac MA weather  - Clear - 65°F
Clear
65°F
Updated 8:28 am
Feels Like 65°F
Humidity 70%
Wind NNW 6 mph
Barometer  30.17 in
Dew Point 55°F
Merrimac MA weather  - Clear - 18°C
Clear
18°C
Updated 8:28 am
Feels Like 19°C
Humidity 70%
Wind NNW 10 km/h
Barometer  102.2 kPa
Dew Point 13°C

Merrimac Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Merrimac, MA Weather - Today Sunny Merrimac, MA Weather - Tonight Clear Merrimac, MA Weather - Sunday Mostly Sunny Merrimac, MA Weather - Sunday Night Showers Merrimac, MA Weather - Monday Showers Merrimac, MA Weather - Monday Night Mostly Cloudy Merrimac, MA Weather - Tuesday Mostly Clear Merrimac, MA Weather - Wednesday Mostly Clear Merrimac, MA Weather - Wednesday Night Partly Cloudy Merrimac, MA Weather - Thursday Chance Of Showers Merrimac, MA Weather - Thursday Night Chance Of Showers Merrimac, MA Weather - Friday Mostly Sunny
Sunny Clear Mostly Sunny Showers Showers Mostly Cloudy Mostly Clear Mostly Clear Partly Cloudy Chance of Showers Chance of Showers Mostly Sunny
Hi: 80°FHi: 27°C
Lo: 55°FLo: 13°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C Hi: 85°FHi: 29°C
Lo: 61°FLo: 16°C
Hi: 85°FHi: 29°C
Lo: 61°FLo: 16°C
Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
POP: 90% POP: 90% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 702 AM EDT Sat Aug 15 2026 Merrimac, MA Weather - WeatherWorld.com

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Merrimac Forecast Discussion

Issued: 715 AM EDT Sat Aug 15 2026

Key Messages

  • Very comfortable temperatures this weekend with mainly dry conditions. There is a moderate risk for rip currents as well this weekend.
  • Rain returns late Sunday into Monday, followed by quieter weather through most of next week.
  • Seasonably warm temperatures and moderate humidity return through the middle of next week, followed by increasing shower chances late in the week.


Discussion

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KEY MESSAGE 1...Very comfortable temperatures this weekend with mainly ...