• Today

    May 21

    89°Lo 73°

    Clouds giving way to some sun

    Good for running
    • Precip
      11%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
  • Wed

    May 22

    91°Lo 71°

    A shower or thunderstorm

    Fair for running
    • Precip
      57%
    • Hours of Precip
      2
    • Wind
      Gust
      9 mph
    more
  • Thu

    May 23

    91°Lo 68°

    Partly sunny and humid

    Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Fri

    May 24

    90°Lo 68°

    Partly sunny

    Very Good for running
    • Precip
      9%
    • Hours of Precip
      0.5
    • Wind
      Gust
      12 mph
    more
  • Sat

    May 25

    89°Lo 64°

    Partly sunny

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Temp (°F) 75° 77° 78° 81° 83° 84° 86° 88°
RealFeel® 79° 82° 82° 84° 87° 88° 90° 94°
Humidity 95% 88% 84% 76% 69% 65% 60% 57%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 8 SE 6 SE 8 SE 12 SE 12 SE 13 SE 14 SSE 14 SSE
UV Index 0 1 1 2 3 4 5 7
Cloud Cover 95% 100% 100% 100% 98% 96% 95% 62%
Dew Point 74° 73° 73° 72° 72° 71° 71° 72°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 89° 87° 95° (1922) 92°
Low 73° 67° 51° (1981) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:47 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:41 PM with 11:36 of moolight, then sets at 4:17 AM

Breaking Weather: Airport Delays in Boston

May 21, 2013; 8:07 AM ET Dense fog along the Massachusetts coast is causing problems for morning travelers.