Charlestown, Charles River, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 3 		Sunny
Close Hourly 		98º / 76º 0% WNW 13 mph 36%
11am Sunny 91º 0% WNW 12 mph 44%
12pm Sunny 93º 0% WNW 13 mph 39%
1pm Sunny 95º 0% WNW 13 mph 35%
2pm Sunny 97º 0% WNW 12 mph 31%
3pm Sunny 98º 0% WNW 13 mph 31%
4pm Sunny 98º 0% W 13 mph 30%
5pm Sunny 97º 0% W 13 mph 32%
6pm Sunny 96º 0% WNW 13 mph 35%
7pm Sunny 93º 0% WNW 12 mph 40%
8pm Sunny 91º 0% W 10 mph 44%
9pm Mostly Clear 89º 0% W 10 mph 48%
10pm Partly Cloudy 87º 0% W 10 mph 51%
11pm Partly Cloudy 85º 0% W 9 mph 55%
Sat
Jul 4 		Mostly Sunny
View Hourly 		93º / 70º 24% WNW 13 mph 50%
12am Partly Cloudy 84º 5% WNW 8 mph 58%
1am Partly Cloudy 83º 6% W 7 mph 61%
2am Partly Cloudy 81º 6% WNW 7 mph 65%
3am Mostly Clear 79º 2% WNW 7 mph 67%
4am Clear 78º 3% WNW 7 mph 69%
5am Clear 77º 3% WNW 7 mph 73%
6am Mostly Sunny 77º 3% WNW 7 mph 72%
7am Mostly Sunny 79º 2% WNW 8 mph 70%
8am Mostly Sunny 82º 1% WNW 9 mph 63%
9am Sunny 84º 0% WNW 9 mph 58%
10am Mostly Sunny 87º 0% WNW 10 mph 53%
11am Mostly Sunny 89º 0% WNW 10 mph 48%
12pm Partly Cloudy 90º 15% WNW 12 mph 45%
1pm Partly Cloudy 91º 15% WNW 12 mph 43%
2pm Mostly Cloudy 92º 15% WNW 12 mph 42%
3pm Mostly Cloudy 92º 24% WNW 12 mph 41%
4pm Mostly Cloudy 89º 24% WNW 13 mph 44%
5pm Mostly Cloudy 88º 15% WNW 10 mph 47%
6pm Partly Cloudy 87º 15% NW 10 mph 50%
7pm Showers 84º 39% NW 9 mph 57%
8pm Mostly Cloudy 81º 22% NW 7 mph 62%
9pm Mostly Cloudy 79º 24% NW 6 mph 63%
10pm Partly Cloudy 78º 15% NNW 7 mph 64%
11pm Mostly Cloudy 77º 15% NW 6 mph 66%
Sun
Jul 5 		Partly Cloudy
View Hourly 		82º / 66º 5% E 10 mph 48%
12am Mostly Cloudy 76º 15% NNW 6 mph 67%
1am Mostly Cloudy 75º 15% NNW 6 mph 65%
2am Mostly Cloudy 74º 2% NNW 5 mph 65%
3am Partly Cloudy 73º 3% NNW 5 mph 64%
4am Partly Cloudy 72º 3% NNW 5 mph 64%
5am Partly Cloudy 71º 3% NNW 4 mph 67%
6am Partly Cloudy 71º 2% NNW 4 mph 65%
7am Mostly Cloudy 73º 2% N 4 mph 64%
8am Mostly Sunny 75º 0% N 5 mph 61%
9am Mostly Cloudy 77º 3% NE 6 mph 55%
10am Partly Cloudy 78º 2% ENE 7 mph 50%
Mon
Jul 6 		Showers 74º / 63º 57% ESE 11 mph 64%
Tue
Jul 7 		Rain 69º / 62º 83% NE 12 mph 87%
Wed
Jul 8 		Partly Cloudy 76º / 66º 24% NE 9 mph 73%
Thu
Jul 9 		Partly Cloudy 88º / 71º 9% SW 11 mph 62%
Fri
Jul 10 		Isolated Thunderstorms 86º / 70º 31% SW 10 mph 64%

Weather Radar for Charlestown, Charles River, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Charlestown, Charles River, MA

Today
High : 101ºF
W wind 9 to 11 kt. Sunny. Seas 1 ft or less.
Tonight
Low : 79ºF
W wind around 8 kt. Scattered showers and thunderstorms, mainly between 10pm and 1am. Seas 1 ft or less.
Independence Day
High : 96ºF
WNW wind 8 to 11 kt. Scattered showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.
Saturday Night
Low : 71ºF
NW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Scattered showers and thunderstorms, mainly before 9pm. Seas 1 ft or less.
Sunday
High : 81ºF
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
Low : 67ºF
SE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Seas 1 ft or less.
Monday
High : 76ºF
Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. A chance of showers after 3pm. Seas 1 ft or less.
Monday Night
Low : 65ºF
ESE wind around 6 kt becoming variable and less than 5 kt. A chance of showers. Seas 1 ft or less.
Tuesday
High : 75ºF
ENE wind 7 to 11 kt. A chance of showers. Seas 1 ft or less.

NOAA Buoy Data Near Charlestown, Charles River, MA See Map

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    Featured Local Businesses

    Constitution Marina with downtown Boston in the background.

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    Wind Speed Forecast for Charlestown, Charles River, MA

    FridaySaturdaySunday
    Wind Speed (MPH) 12131297810129654
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 12131297810129654
    DIR WNWWNWWNWWWNWWNWWNWWNWNWNWNNWN

    Current Weather Conditions In Charlestown, Charles River, MA

    As Of: 5 minutes ago

    • 91ºF
    • 95ºF
    • 12mph
    • 0º (WNW)
    • 22mph
    • Sunny
    • 10mi
    • 29.87"
    • 44%
    • 0ºF

    The weather right now in Charlestown, Charles River, MA is Sunny. The current temperature is 91°F, and the expected high and low for today, Friday, July 3, 2026, are 98° high temperature and 76°F low temperature. The wind is currently blowing at 12 miles per hour, and coming from the West Northwest. The wind is gusting to 22 mph. With the wind and the atmosphere the temperature feels like 95° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 44 percent, and air pressure at 29.87 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Extreme Heat Warning - 3:10am Fri Jul 3 2026

    ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...

    WHAT: Dangerously hot conditions with heat index values of 100 to
    110 degrees expected today! Heat indices of 95-100+ degrees are
    expected on Independence Day.

    WHERE: Portions of northern Connecticut, majority of
    Massachusetts, and Rhode Island.

    WHEN: Until 8 PM EDT Saturday.

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

    ADDITIONAL DETAILS: This is a prolonged and dangerous heatwave
    with little relief at night.

    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.

    &&