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  • Today

    Feb 12

    Sun mixing with clouds; cold 24°Lo 15°
    more
  • Sat

    Feb 13

    A snow squall in the morning 21°Lo -3°
  • Sun

    Feb 14

    Mostly sunny and frigid 14°Lo -2°
    more
  • Mon

    Feb 15

    Turning cloudy; not as cold 27°Lo 23°
    more
  • Tue

    Feb 16

    Milder with rain 47°Lo 39°
    more
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Flurries
Partly Cloudy
Partly Cloudy
Flurries
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 18° 19° 21° 19° 18° 16° 16° 14°
RealFeel® -1° -4° -3° -2° -3° -7° -11°
Humidity 58% 53% 44% 45% 44% 43% 42% 40%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
40%
 
51%
 
47%
 
47%
 
51%
 
47%
 
40%
 
34%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 17 WNW 21 WNW 23 WNW 25 WNW 18 WNW 20 WNW 22 WNW 24 WNW
UV Index 1 1 2 2 2 2 1 0
Cloud Cover 90% 90% 71% 70% 70% 70% 70% 70%
Dew Point -1° -3° -4° -6°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Feb 13

more Historical Weather Data >
  Today Normal Record 2/13/2015
High 21° 38° 66° (1951) 22°
Low -3° 24° -3° (1967)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 10:30 of sunlight, then sets at 5:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:43 AM with 13:43 of moolight, then sets at 11:26 PM

Charlestown Weather Report

Boston: Polar vortex to smack region during Valentine's Day weekend

February 12, 2016; 4:07 AM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Boston area during Valentine's Day weekend. more >