Merrimac, MA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merrimac, MA in one place.
Sunny, with a high near 86. West wind 9 to 15 mph.
Local Weather Overview
This forecast page for Merrimac, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 8:58 PM EDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Merrimac, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 8:58 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merrimac
Sunday looks like the warmest upcoming period in Merrimac at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 15 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:58 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 60. Southwest wind 7 to 14 mph.
A slight chance of rain showers after 3pm. Partly sunny, with a high near 87. Southwest wind 7 to 13 mph. Chance of precipitation is 20%.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms likely between 10pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 7 to 12 mph. Chance of precipitation is 60%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. West wind around 9 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. West wind 3 to 7 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. East wind 3 to 8 mph.
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. Southwest wind 3 to 7 mph.
Mostly sunny, with a high near 89. West wind 3 to 7 mph.
Partly cloudy, with a low around 67. Southwest wind 2 to 6 mph.
Mostly sunny, with a high near 90. Southwest wind 2 to 8 mph.
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 67. Southwest wind 5 to 8 mph.
A chance of rain showers. Partly sunny, with a high near 84. West wind 5 to 9 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Sunny
|
86°F |
9 to 15 mph
W
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
60°F |
7 to 14 mph
SW
|
|
Wednesday
Jun 10
|
Partly Sunny then Slight Chance Rain Showers
|
87°F |
7 to 13 mph
SW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
66°F |
7 to 12 mph
SW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
89°F |
9 mph
W
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
67°F |
3 to 7 mph
W
|
|
Friday
Jun 12
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
3 to 8 mph
E
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
67°F |
3 to 7 mph
SW
|
|
Saturday
Jun 13
|
Mostly Sunny
|
89°F |
3 to 7 mph
W
|
|
Saturday Night
Jun 13
|
Partly Cloudy
|
67°F |
2 to 6 mph
SW
|
|
Sunday
Jun 14
|
Mostly Sunny
|
90°F |
2 to 8 mph
SW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
67°F |
5 to 8 mph
SW
|
|
Monday
Jun 15
|
Chance Rain Showers
|
84°F |
5 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merrimac.
