• Today

    Aug 4

    85°Lo 60°

    Clouds and breaks of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    Aug 5

    80°Lo 57°

    Partly sunny with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Aug 6

    78°Lo 55°

    Pleasant with periods of sun

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

    Aug 7

    79°Lo 57°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Aug 8

    76°Lo 57°

    Mostly cloudy, a little rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 72° 75° 76° 79° 82° 84° 85° 85°
RealFeel® 75° 80° 81° 85° 89° 90° 90° 89°
Humidity 78% 71% 65% 57% 53% 48% 44% 44%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
25%
 
25%
 
24%
 
20%
 
20%
 
16%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 WSW 4 SW 5 SW 6 SW 6 SW 7 SW 7 SW 7 SW
UV Index 1 2 4 5 6 6 6 5
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 65° 65° 64° 63° 64° 62° 61° 61°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 85° 82° N/A 85°
Low 60° 62° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:39 AM with 14:24 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:35 PM with 13:16 of moolight, then sets at 11:51 AM

Londonderry Weather Report

Boston: Warmth to Continue Early This Week Before Cooldown Arrives

August 4, 2015; 1:25 AM ET

Above-average temperatures will continue through the early part of this week around Boston but a cooldown is on the horizon. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps