• Early AM

    Jul 29

    Lo 64°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Jul 29

    92°Lo 66°

    Sunshine, hot and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Thu

    Jul 30

    92°Lo 65°

    A heavy t-storm in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Jul 31

    87°Lo 61°

    Sunny and less humid

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      3%
    more
  • Sat

    Aug 1

    87°Lo 63°

    Sunshine

    Low ragweed pollen levels
    • Precip
      13%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      2%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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Thu
12am
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  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Sunny
Temp (°F) 75° 72° 70° 69° 68° 66° 68° 68°
RealFeel® 76° 72° 71° 69° 67° 65° 67° 68°
Humidity 75% 78% 84% 87% 84% 88% 86% 83%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
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Snow
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 4 W 4 WSW 4 WSW 4 WSW 4 WSW 4 WSW 4 WSW 4 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 20% 16% 13% 10% 6% 2% 0% 0%
Dew Point 66° 65° 65° 65° 63° 62° 63° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2014
High 92° 83° N/A 77°
Low 66° 63° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:33 AM with 14:37 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:33 PM with 10:08 of moolight, then sets at 4:41 AM

Londonderry Weather Report

Boston: Dog Days of Summer in Store for Much of Week

July 29, 2015; 2:28 AM ET

Typical hot and humid weather, known as the dog days of summer, is in store for the Boston area during much of this week. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps