• Today

    Sep 18

    72°Lo 42°

    Sunny to partly cloudy

    Excellent for running
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Fri

    Sep 19

    58°Lo 36°

    Mostly sunny and cooler

    Excellent for running
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      18 mph
    more
  • Sat

    Sep 20

    69°Lo 52°

    Warmer

    Excellent for running
    • Precip
      7%
    • Hours of Precip
      0
    • Wind
      Gust
      25 mph
    more
  • Sun

    Sep 21

    77°Lo 56°

    Some sun, then clouds

    Excellent for running
    • Precip
      22%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Mon

    Sep 22

    71°Lo 45°

    A morning shower possible

    Excellent for running
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Mostly Sunny
Sunny
Sunny
Mostly Sunny
Temp (°F) 44° 45° 46° 50° 56° 62° 66° 68°
RealFeel® 44° 44° 46° 49° 57° 65° 69° 72°
Humidity 86% 85% 84% 81% 70% 56% 49% 45%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 2 W 3 WNW 3 WNW 3 WNW 3 WNW 4 NW 5 NW 5 NNW
UV Index 0 0 0 0 1 2 4 5
Cloud Cover 15% 15% 12% 9% 10% 7% 7% 11%
Dew Point 40° 41° 42° 44° 46° 46° 47° 46°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 72° 73° N/A 74°
Low 42° 47° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 12:21 of sunlight, then sets at 6:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:14 AM with 14:29 of moolight, then sets at 3:43 PM

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September 18, 2014; 12:02 PM ET

Rainfall will be scarce around Boston this week, but cool air will be plentiful. more >

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