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  • Today

    Apr 19

    Partly sunny 60°Lo 39°
  • Mon

    Apr 20

    Becoming windier with rain 47°Lo 44°
    more
  • Tue

    Apr 21

    Warmer with a shower or two 63°Lo 39°
    more
  • Wed

    Apr 22

    Mostly cloudy and breezy 59°Lo 39°
    more
  • Thu

    Apr 23

    Cloudy, a shower; breezy 54°Lo 35°
    more
< Previous 8 hours Next 8 hours >
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12am
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 44° 43° 42° 41° 40° 39° 40° 40°
RealFeel® 40° 41° 42° 42° 41° 41° 41° 41°
Humidity 55% 60% 61% 63% 66% 68% 66% 67%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
0%
 
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0%
 
0%
 
1%
 
1%
 
1%
Snow
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 7 ESE 5 SE 4 SSE 4 ESE 4 E 2 E 4 ENE 4 ESE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 37% 31% 26% 26% 32% 45% 45% 45%
Dew Point 29° 30° 30° 29° 30° 30° 30° 30°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2014
High 60° 60° 92° (1976) 62°
Low 39° 35° 22° (1990) 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:35 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:39 AM with 14:08 of moolight, then sets at 8:47 PM

Merrimack Weather Report

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

April 19, 2015; 3:42 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 >