• Today

    Aug 21

    74°Lo 59°

    A shower or two; not as warm

    Fair for biking
    • Precip
      70%
    • Hours of Precip
      3
    • Wind
      Gust
      6 mph
    more
  • Fri

    Aug 22

    71°Lo 57°

    A brief shower or two

    Good for biking
    • Precip
      60%
    • Hours of Precip
      2
    • Wind
      Gust
      6 mph
    more
  • Sat

    Aug 23

    75°Lo 54°

    Clouds and sun with a shower

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

    Aug 24

    78°Lo 53°

    Periods of clouds and sun

    Excellent for biking
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Mon

    Aug 25

    81°Lo 55°

    Pleasant with plenty of sun

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Showers
Partly Cloudy
Partly Sunny
Showers
Temp (°F) 63° 65° 68° 71° 73° 74° 75° 74°
RealFeel® 63° 65° 70° 74° 76° 77° 78° 75°
Humidity 84% 78% 72% 67% 63% 61% 60% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
14%
 
18%
 
43%
 
47%
 
51%
 
40%
 
37%
 
40%
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) 4 NNE 5 NE 5 NE 6 ENE 6 ENE 7 ENE 6 ENE 6 E
UV Index 1 2 3 4 5 5 5 3
Cloud Cover 85% 79% 72% 66% 70% 55% 48% 40%
Dew Point 58° 58° 59° 60° 60° 60° 60° 59°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 23

more Historical Weather Data >
  Today Normal Record 8/23/2013
High 75° 80° N/A 81°
Low 54° 60° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:35 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:13 AM with 14:05 of moolight, then sets at 6:18 PM

Top Story

Londonderry Weather Report

Boston: Showers to Retreat This Weekend

August 21, 2014; 1:10 PM ET

Following a surge of humidity and showers to end the week, dry and cooler air will push southward across the Boston areaa this 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.