Merrimack River Entrance, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jun 29 		Mostly Clear -º / 59º 3% SSW 2 mph 91%
Tue
Jun 30 		Partly Cloudy
View Hourly 		80º / 68º 20% SSE 11 mph 71%
1am Clear 63º 2% SSW 1 mph 88%
2am Clear 62º 3% SSW 1 mph 89%
3am Mostly Clear 62º 3% SW 1 mph 91%
4am Partly Cloudy 61º 3% SW 2 mph 93%
5am Partly Cloudy 61º 3% SSW 2 mph 93%
6am Partly Cloudy 62º 3% SSW 1 mph 92%
7am Partly Cloudy 65º 4% SSW 2 mph 88%
8am Partly Cloudy 68º 6% SSW 3 mph 84%
9am Partly Cloudy 71º 5% S 4 mph 81%
10am Partly Cloudy 74º 4% SSE 5 mph 74%
11am Partly Cloudy 77º 3% SSE 7 mph 68%
12pm Partly Cloudy 79º 2% SSE 8 mph 64%
1pm Partly Cloudy 79º 2% SSE 9 mph 63%
2pm Mostly Cloudy 79º 8% SE 10 mph 65%
3pm Mostly Cloudy 79º 14% SSE 10 mph 65%
4pm Mostly Cloudy 79º 17% SSE 11 mph 66%
5pm Mostly Cloudy 79º 14% SSE 10 mph 65%
6pm Cloudy 77º 21% SSE 9 mph 68%
7pm Mostly Cloudy 76º 6% SSE 8 mph 70%
8pm Cloudy 75º 9% S 8 mph 73%
9pm Mostly Cloudy 73º 9% S 7 mph 77%
10pm Mostly Cloudy 73º 9% SSW 7 mph 78%
11pm Cloudy 73º 24% SSW 8 mph 78%
Wed
Jul 1 		Partly Cloudy
View Hourly 		91º / 74º 10% SW 10 mph 63%
12am Showers 72º 56% SSW 9 mph 79%
1am Showers 71º 58% SSW 9 mph 80%
2am Mostly Cloudy 70º 24% SSW 8 mph 81%
3am Mostly Cloudy 70º 12% SW 9 mph 79%
4am Partly Cloudy 69º 8% SSW 8 mph 81%
5am Partly Cloudy 69º 10% SW 8 mph 80%
6am Partly Cloudy 69º 10% SW 8 mph 81%
7am Partly Cloudy 72º 10% SW 8 mph 81%
8am Partly Cloudy 73º 3% SW 9 mph 78%
9am Partly Cloudy 77º 2% WSW 10 mph 73%
10am Partly Cloudy 80º 1% WSW 10 mph 66%
11am Partly Cloudy 84º 1% WSW 9 mph 62%
12pm Partly Cloudy 86º 0% WSW 9 mph 59%
1pm Partly Cloudy 88º 0% SW 8 mph 56%
2pm Partly Cloudy 89º 0% SW 8 mph 56%
3pm Partly Cloudy 89º 0% SW 8 mph 55%
4pm Partly Cloudy 89º 0% SW 9 mph 56%
5pm Partly Cloudy 88º 0% SW 9 mph 57%
6pm Partly Cloudy 88º 1% SW 9 mph 58%
7pm Partly Cloudy 86º 2% SW 8 mph 61%
8pm Partly Cloudy 84º 2% SSW 7 mph 66%
9pm Partly Cloudy 82º 2% SSW 7 mph 72%
10pm Clear 80º 3% SW 8 mph 77%
11pm Partly Cloudy 78º 4% SW 8 mph 79%
Thu
Jul 2 		Sunny
View Hourly 		94º / 76º 18% W 9 mph 59%
12am Partly Cloudy 77º 4% SW 9 mph 83%
Fri
Jul 3 		Mostly Sunny 93º / 72º 24% W 11 mph 57%
Sat
Jul 4 		PM Thunderstorms 87º / 68º 52% WNW 8 mph 59%
Sun
Jul 5 		Partly Cloudy 82º / 66º 24% NE 8 mph 64%
Mon
Jul 6 		Showers 77º / 64º 43% ENE 9 mph 73%

Weather Radar for Merrimack River Entrance, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Merrimack River Entrance, MA

Overnight
Low : 61ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
High : 85ºF
SW wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Low : 69ºF
SW wind around 10 kt. Isolated showers and thunderstorms, then scattered showers after 2am. Seas 1 ft or less.
Wednesday
High : 92ºF
WSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
Low : 75ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Thursday
High : 98ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Thursday Night
Low : 76ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
High : 97ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.
Friday Night
Low : 72ºF
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

NOAA Buoy Data Near Merrimack River Entrance, MA See Map

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    Wind Speed Forecast for Merrimack River Entrance, MA

    TuesdayWednesdayThursday
    Wind Speed (MPH) 12491079810897
    5am9am1pm5pm9pm1am5am9am1pm5pm9pm1am
    MPH 12491079810897
    DIR SSWSSWSSSESSESSSWSWWSWSWSWSSW

    Current Weather Conditions In Merrimack River Entrance, MA

    As Of: 5 minutes ago

    • 63ºF
    • 63ºF
    • 1mph
    • 0º (SSW)
    • 1mph
    • Clear
    • 10mi
    • 30.12"
    • 88%
    • 0ºF

    The weather right now in Merrimack River Entrance, MA is Clear. The current temperature is 63°F, and the expected high and low for today, Tuesday, June 30, 2026, are -° high temperature and 59°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the South Southwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 63° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 88 percent, and air pressure at 30.12 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Extreme Heat Watch - 12:59pm Mon Jun 29 2026

    ...EXTREME HEAT WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH SATURDAY EVENING...

    WHAT: Dangerously hot conditions with heat index values up to 111
    possible.

    WHERE: Much of Southern New England except for Cape Cod, Martha's
    Vineyard, Nantucket and Block Island.

    WHEN: From Wednesday morning through Saturday evening.

    IMPACTS: Heat related illnesses increase significantly during
    extreme heat and high humidity events.

    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.

    Do not leave young children and pets in unattended vehicles. Car
    interiors will reach lethal temperatures in a matter of minutes.

    Monitor the latest forecasts and warnings for updates.

    &&