Merrimacport, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jul 13 		Partly Cloudy
Close Hourly 		-º / 70º 4% SW 11 mph 67%
8pm Partly Cloudy 81º 2% SW 9 mph 58%
9pm Partly Cloudy 79º 3% SW 8 mph 62%
10pm Partly Cloudy 78º 1% SSW 8 mph 63%
11pm Partly Cloudy 75º 1% SW 8 mph 67%
Tue
Jul 14 		Mostly Sunny
View Hourly 		96º / 77º 3% WSW 14 mph 52%
12am Partly Cloudy 75º 1% SW 9 mph 67%
1am Mostly Clear 74º 1% SW 9 mph 68%
2am Mostly Clear 73º 1% SW 8 mph 68%
3am Mostly Clear 73º 2% SW 8 mph 69%
4am Clear 72º 3% SW 8 mph 70%
5am Partly Cloudy 71º 3% WSW 7 mph 72%
6am Partly Cloudy 71º 3% WSW 7 mph 74%
7am Partly Cloudy 73º 3% WSW 7 mph 71%
8am Partly Cloudy 77º 2% WSW 7 mph 66%
9am Mostly Cloudy 80º 1% WSW 8 mph 62%
10am Partly Cloudy 82º 0% W 9 mph 58%
11am Mostly Cloudy 86º 0% WSW 10 mph 54%
12pm Mostly Cloudy 88º 0% WSW 11 mph 51%
1pm Partly Cloudy 91º 0% WSW 12 mph 47%
2pm Mostly Sunny 93º 0% WSW 13 mph 44%
3pm Sunny 94º 0% WSW 14 mph 43%
4pm Mostly Sunny 94º 0% WSW 14 mph 43%
5pm Mostly Sunny 94º 0% WSW 13 mph 43%
6pm Sunny 94º 0% WSW 13 mph 44%
7pm Sunny 92º 0% WSW 12 mph 47%
8pm Sunny 90º 0% WSW 10 mph 49%
9pm Clear 88º 0% WSW 9 mph 53%
10pm Clear 87º 0% WSW 9 mph 54%
11pm Clear 86º 0% WSW 8 mph 56%
Wed
Jul 15 		Mostly Sunny
View Hourly 		91º / 67º 4% NW 13 mph 44%
12am Clear 85º 1% WSW 8 mph 57%
1am Clear 83º 1% W 7 mph 60%
2am Clear 82º 1% W 7 mph 62%
3am Mostly Clear 81º 2% W 6 mph 63%
4am Mostly Clear 79º 3% W 6 mph 65%
5am Partly Cloudy 79º 5% W 6 mph 65%
6am Partly Cloudy 78º 24% WNW 6 mph 68%
7am Partly Cloudy 79º 4% WNW 7 mph 67%
8am Mostly Cloudy 82º 3% WNW 9 mph 62%
9am Partly Cloudy 84º 2% WNW 10 mph 58%
10am Partly Cloudy 85º 3% NW 11 mph 51%
11am Partly Cloudy 87º 1% WNW 12 mph 47%
12pm Partly Cloudy 88º 1% WNW 12 mph 42%
1pm Partly Cloudy 89º 2% NW 12 mph 37%
2pm Mostly Sunny 90º 0% NW 13 mph 33%
3pm Mostly Sunny 90º 0% WNW 13 mph 32%
4pm Mostly Sunny 89º 0% NW 13 mph 32%
5pm Mostly Sunny 89º 0% NW 12 mph 32%
6pm Mostly Sunny 88º 0% NW 11 mph 33%
7pm Sunny 86º 0% NW 9 mph 36%
Thu
Jul 16 		Mostly Sunny 90º / 65º 6% W 13 mph 39%
Fri
Jul 17 		Sunny 85º / 60º 1% WNW 11 mph 37%
Sat
Jul 18 		Partly Cloudy 82º / 64º 10% SW 8 mph 47%
Sun
Jul 19 		Showers 83º / 65º 53% W 8 mph 62%
Mon
Jul 20 		PM Showers 84º / 64º 30% SSW 8 mph 60%

Weather Radar for Merrimacport, MA See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Merrimacport, MA

Tonight
Low : 68ºF
A slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 68. Southwest wind around 8 mph. Chance of precipitation is 20%.
Tuesday
High : 95ºF
Mostly sunny and hot, with a high near 95. Heat index values as high as 102. West wind 6 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Low : 76ºF
Partly cloudy, with a low around 76. West wind 6 to 8 mph, with gusts as high as 25 mph.
Wednesday
High : 92ºF
Mostly sunny and hot, with a high near 92. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Low : 67ºF
Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm in the evening.
Thursday
High : 90ºF
Sunny and hot, with a high near 90. West wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Low : 65ºF
Partly cloudy, with a low around 65. Northwest wind 3 to 6 mph.
Friday
High : 86ºF
Sunny, with a high near 86. Northwest wind 6 to 8 mph.
Friday Night
Low : 62ºF
Partly cloudy, with a low around 62. Light northwest wind.
Saturday
High : 84ºF
A chance of showers after 3pm. Mostly sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Low : 64ºF
A chance of showers. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 50%.
Sunday
High : 80ºF
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Low : 62ºF
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 30%.
Monday
High : 83ºF
A chance of showers. Partly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%.

NOAA Buoy Data Near Merrimacport, MA See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Merrimacport, MA

    TuesdayWednesday
    Wind Speed (MPH) 99871114108691213
    12am4am8am12pm4pm8pm12am4am8am12pm4pm8pm
    MPH 99871114108691213
    DIR SWSWSWWSWWSWWSWWSWWSWWWNWWNWNW

    Current Weather Conditions In Merrimacport, MA

    As Of: 37 minutes ago

    • 81ºF
    • 84ºF
    • 9mph
    • 0º (SW)
    • 18mph
    • Partly Cloudy
    • 10mi
    • 30.03"
    • 58%
    • 0ºF

    The weather right now in Merrimacport, MA is Partly Cloudy. The current temperature is 81°F, and the expected high and low for today, Monday, July 13, 2026, are -° high temperature and 70°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the Southwest. The wind is gusting to 18 mph. With the wind and the atmosphere the temperature feels like 84° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 58 percent, and air pressure at 30.03 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 2:13pm Mon Jul 13 2026

    ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY TO 8 PM EDT WEDNESDAY...

    WHAT: Heat index values up to 102 expected.

    WHERE: Portions of northern Connecticut, central, eastern,
    northeastern, southeastern, and western Massachusetts, and Rhode
    Island.

    WHEN: From 11 AM Tuesday to 8 PM EDT Wednesday.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    &&