• Today

    Sep 2

    91°Lo 66°

    Mostly sunny, hot and humid

    Excellent for biking
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Thu

    Sep 3

    88°Lo 62°

    Partly sunny with a t-storm

    Very Good for biking
    • Precip
      57%
    • Hours of Precip
      2
    • Wind
      Gust
      7 mph
    more
  • Fri

    Sep 4

    75°Lo 51°

    Sunny and not as warm

    Excellent for biking
    • Precip
      13%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Sat

    Sep 5

    81°Lo 55°

    Nice with plenty of sunshine

    Excellent for biking
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Sun

    Sep 6

    88°Lo 64°

    Very warm with plenty of sun

    Excellent for biking
    • Precip
      10%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 77° 82° 86° 87° 89° 91° 91° 90°
RealFeel® 82° 89° 93° 94° 94° 94° 94° 91°
Humidity 60% 53% 49% 43% 40% 38% 39% 41%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
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Snow
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 4 WNW 4 W 5 WSW 6 WSW 7 WSW 7 WSW 7 WSW 7 WSW
UV Index 3 4 5 6 5 4 3 2
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 62° 63° 65° 63° 62° 62° 63° 64°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 91° 78° 99° (1953) 92°
Low 66° 54° 36° (1971) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:08 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:50 PM with 14:06 of moolight, then sets at 11:56 AM

Merrimack Weather Report

Boston: Late-Week Front to Slash Summer Temperatures

September 2, 2015; 5:25 AM ET

Wednesday and Thursday will bring weather more common for early July rather than early September, but the summer heat will come to an end by the 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.