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  • Tonight

    Apr 18

    Clear Lo 43°
    more
  • Sun

    Apr 19

    Mostly sunny 55°Lo 39°
  • Mon

    Apr 20

    Breezy with periods of rain 50°Lo 48°
    more
  • Tue

    Apr 21

    Warmer with a few showers 64°Lo 44°
    more
  • Wed

    Apr 22

    Mostly cloudy 62°Lo 42°
    more
< Previous 8 hours Next 8 hours >
  Sat
11pm
Sun
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Clear
Clear
Sunny
Temp (°F) 52° 50° 49° 48° 46° 45° 44° 43°
RealFeel® 45° 43° 42° 41° 39° 37° 37° 36°
Humidity 58% 59% 60% 61% 62% 65% 66% 67%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
2%
 
2%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 12 N 13 NNW 12 NW 12 NW 12 NW 10 NNW 10 NNW 10 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 15% 10% 5% 0% 0% 0% 0% 0%
Dew Point 38° 36° 36° 35° 34° 33° 33° 33°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 55° 57° 87° (1914) 63°
Low 39° 42° 22° (1875) 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:32 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:38 AM with 14:06 of moolight, then sets at 8:44 PM

Cambridge Weather Report

2015 Boston Marathon Forecast: Rain and Wind in Store for Runners

April 18, 2015; 8:16 PM ET

The 119th Boston Marathon will take place on Monday, April 20, and runners set to take on the historic course will face cool and rainy conditions. more >