• Tonight

    May 22

    Lo 37°

    Mainly clear and chilly

    Bicycling Weather
    • Precip
      35%
    • Hours of Precip
      0
    • Wind
      Gust
      25 mph
    more
  • Sat

    May 23

    65°Lo 44°

    Mostly sunny and breezy

    Very Good for biking
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      23 mph
  • Sun

    May 24

    81°Lo 54°

    Mostly sunny; breezy, warmer

    Very Good for biking
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      23 mph
    more
  • Mon

    May 25

    81°Lo 61°

    Intervals of clouds and sun

    Excellent for biking
    • Precip
      14%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Tue

    May 26

    86°Lo 64°

    Cloudy, a t-storm in the p.m.

    Very Good for biking
    • Precip
      51%
    • Hours of Precip
      0.5
    • Wind
      Gust
      16 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Sunny
Sunny
Mostly Sunny
Temp (°F) 47° 44° 39° 37° 37° 38° 40° 46°
RealFeel® 41° 39° 34° 31° 32° 31° 34° 40°
Humidity 49% 52% 53% 55% 55% 51% 46% 39%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 8 NW 8 NW 8 WNW 8 WNW 7 W 8 W 10 W 13 W
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 26% 10% 6% 2% 0% 0% 0% 11%
Dew Point 29° 27° 24° 22° 22° 21° 21° 22°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 65° 71° N/A 57°
Low 44° 50° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:16 AM with 14:53 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:29 AM with 14:04 of moolight, then sets at 12:33 AM

Londonderry Weather Report

Boston: Temperatures to Ride Roller Coaster Into Memorial Day

May 22, 2015; 9:20 PM ET

Temperatures will remain on a roller coaster ride around the Boston area through the Memorial Day holiday 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.