Charlestown, Charles River, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jul 3 		Sunny
Close Hourly 		99º / 76º 0% WNW 13 mph 37%
10am Mostly Sunny 89º 0% WNW 13 mph 48%
11am Mostly Sunny 92º 0% WNW 13 mph 43%
12pm Sunny 94º 0% WNW 13 mph 38%
1pm Sunny 97º 0% WNW 11 mph 33%
2pm Sunny 97º 0% WNW 12 mph 31%
3pm Sunny 98º 0% WNW 13 mph 30%
4pm Sunny 98º 0% W 12 mph 30%
5pm Sunny 97º 0% WNW 13 mph 32%
6pm Mostly Sunny 96º 0% WNW 12 mph 34%
7pm Sunny 93º 0% WNW 12 mph 40%
8pm Partly Cloudy 91º 0% W 10 mph 44%
9pm Mostly Clear 89º 0% W 10 mph 47%
10pm Partly Cloudy 87º 0% W 9 mph 51%
11pm Mostly Clear 85º 0% W 8 mph 56%
Sat
Jul 4 		Mostly Sunny
View Hourly 		93º / 69º 24% WNW 13 mph 50%
12am Partly Cloudy 84º 5% W 8 mph 59%
1am Partly Cloudy 82º 6% W 8 mph 61%
2am Partly Cloudy 81º 6% WNW 8 mph 64%
3am Mostly Clear 79º 2% WNW 8 mph 66%
4am Clear 79º 3% WNW 7 mph 68%
5am Clear 77º 3% WNW 7 mph 72%
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 64%
9am Sunny 84º 0% WNW 9 mph 59%
10am Sunny 87º 0% WNW 10 mph 53%
11am Mostly Sunny 88º 0% WNW 11 mph 49%
12pm Partly Cloudy 90º 15% WNW 12 mph 46%
1pm Partly Cloudy 91º 15% WNW 12 mph 42%
2pm Mostly Cloudy 91º 15% WNW 13 mph 42%
3pm Partly Cloudy 92º 24% WNW 13 mph 41%
4pm Partly Cloudy 89º 24% WNW 13 mph 44%
5pm Mostly Cloudy 88º 15% WNW 11 mph 45%
6pm Mostly Cloudy 87º 15% WNW 10 mph 49%
7pm Few Showers 84º 34% NW 9 mph 57%
8pm Few Showers 81º 32% NW 8 mph 61%
9pm Mostly Cloudy 80º 15% NW 7 mph 62%
10pm Partly Cloudy 79º 15% NNW 7 mph 62%
11pm Mostly Cloudy 77º 15% NNW 6 mph 65%
Sun
Jul 5 		Partly Cloudy
View Hourly 		83º / 67º 5% E 10 mph 46%
12am Mostly Cloudy 76º 15% NNW 6 mph 65%
1am Partly Cloudy 75º 15% NNW 6 mph 64%
2am Partly Cloudy 74º 1% NNW 5 mph 64%
3am Partly Cloudy 73º 1% NNW 5 mph 64%
4am Partly Cloudy 72º 1% NNW 5 mph 63%
5am Mostly Clear 70º 1% NNW 5 mph 66%
6am Partly Cloudy 70º 1% NNW 4 mph 65%
7am Partly Cloudy 73º 1% NNW 4 mph 63%
8am Mostly Sunny 75º 0% N 5 mph 59%
9am Partly Cloudy 77º 2% NE 5 mph 54%
Mon
Jul 6 		PM Showers 77º / 64º 47% SE 11 mph 58%
Tue
Jul 7 		Rain 71º / 62º 83% E 12 mph 84%
Wed
Jul 8 		Partly Cloudy 78º / 67º 23% NE 8 mph 71%
Thu
Jul 9 		Partly Cloudy 89º / 72º 12% SW 10 mph 60%
Fri
Jul 10 		Partly Cloudy 87º / 71º 24% SW 10 mph 62%

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) 131212987101310754
    2pm6pm10pm2am6am10am2pm6pm10pm2am6am10am
    MPH 131212987101310754
    DIR WNWWNWWNWWWNWWNWWNWWNWWNWNNWNNWNNW

    Current Weather Conditions In Charlestown, Charles River, MA

    As Of: 25 minutes ago

    • 89ºF
    • 94ºF
    • 13mph
    • 0º (WNW)
    • 23mph
    • Mostly Sunny
    • 10mi
    • 29.88"
    • 48%
    • 0ºF

    The weather right now in Charlestown, Charles River, MA is Mostly Sunny. The current temperature is 89°F, and the expected high and low for today, Friday, July 3, 2026, are 99° high temperature and 76°F low temperature. The wind is currently blowing at 13 miles per hour, and coming from the West Northwest. The wind is gusting to 23 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 48 percent, and air pressure at 29.88 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.

    &&