• Today

    Jul 30

    87°Lo 68°

    Some sun, then clouds

    Excellent for biking
    • Precip
      12%
    • Hours of Precip
      4
    • Wind
      Gust
      12 mph
    more
  • Sun

    Jul 31

    75°Lo 65°

    Rain and drizzle; not as warm

    Fair for biking
    • Precip
      77%
    • Hours of Precip
      10
    • Wind
      Gust
      7 mph
  • Mon

    Aug 1

    72°Lo 63°

    Mostly cloudy, a little rain

    Good for biking
    • Precip
      73%
    • Hours of Precip
      2.5
    • Wind
      Gust
      8 mph
    more
  • Tue

    Aug 2

    75°Lo 58°

    Mostly cloudy with a shower

    Very Good for biking
    • Precip
      42%
    • Hours of Precip
      1
    • Wind
      Gust
      10 mph
    more
  • Wed

    Aug 3

    81°Lo 61°

    Periods of sun and clouds

    Excellent for biking
    • Precip
      15%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Showers
Rain
Cloudy
Showers
Showers
Rain
Cloudy
Rain
Temp (°F) 71° 71° 72° 74° 74° 73° 75° 73°
RealFeel® 70° 71° 75° 76° 76° 75° 80° 74°
Humidity 75% 73% 74% 74% 73% 78% 75% 78%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
53%
 
57%
 
45%
 
53%
 
53%
 
58%
 
49%
 
58%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 NE 5 NE 5 ENE 5 ENE 5 ENE 5 ENE 5 ENE 5 ENE
UV Index 1 2 2 2 2 2 2 2
Cloud Cover 94% 94% 94% 94% 94% 94% 94% 94%
Dew Point 62° 62° 63° 65° 65° 66° 67° 66°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 75° 83° 94° (1955) 87°
Low 65° 60° 45° (1956) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:30 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:22 AM with 14:56 of moolight, then sets at 6:18 PM

Merrimack Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 30, 2016; 10:21 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. 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.