• Today

    Apr 16

    42°Lo 24°

    Much colder with sunshine

    Fair for biking
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      30 mph
    more
  • Thu

    Apr 17

    48°Lo 29°

    Mostly sunny and chilly

    Good for biking
    • Precip
      13%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
  • Fri

    Apr 18

    53°Lo 34°

    Mostly sunny

    Very Good for biking
    • Precip
      15%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Sat

    Apr 19

    55°Lo 37°

    Mostly cloudy, showers around

    Good for biking
    • Precip
      64%
    • Hours of Precip
      2.5
    • Wind
      Gust
      7 mph
    more
  • Sun

    Apr 20

    58°Lo 34°

    Intervals of clouds and sun

    Very Good for biking
    • Precip
      16%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 33° 35° 39° 42° 43° 45° 47° 48°
RealFeel® 28° 32° 33° 39° 40° 41° 43° 43°
Humidity 59% 48% 40% 34% 31% 30% 28% 28%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
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%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 8 NE 9 ENE 13 ENE 13 ENE 12 ENE 13 E 12 E 12 E
UV Index 2 4 5 6 6 5 5 3
Cloud Cover 10% 10% 10% 10% 10% 45% 45% 45%
Dew Point 20° 17° 16° 16° 14° 14° 15° 16°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 48° 59° 90° (2012) 65°
Low 29° 34° 24° (1952) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 13:28 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:16 PM with 10:00 of moolight, then sets at 8:16 AM

Top Story

Merrimack Weather Report

Boston: Chill to Ease Slowly by Easter Weekend

April 16, 2014; 2:47 PM ET

The return of more seasonable temperatures to Boston will coincide with this Easter weekend. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.