• Tonight

    Jul 30

    Lo 66°

    Mostly cloudy with showers

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Jul 31

    72°Lo 65°

    Cooler with rain and drizzle

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

    Aug 1

    74°Lo 63°

    Mostly cloudy, a little rain

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

    Aug 2

    73°Lo 58°

    Mainly cloudy with a shower

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

    Aug 3

    80°Lo 60°

    Sun and some clouds

    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 >
  Sun
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Showers
Showers
Showers
Cloudy
Temp (°F) 73° 73° 72° 72° 69° 69° 67° 66°
RealFeel® 73° 73° 72° 71° 66° 65° 63° 66°
Humidity 68% 69% 69% 71% 82% 81% 84% 89%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
49%
 
34%
 
34%
 
40%
 
73%
 
73%
 
73%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 2 E 1 ENE 2 NE 2 NE 2 NE 4 NE 4 NE 4 NE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 76% 76% 76% 76% 79% 84% 90% 94%
Dew Point 62° 62° 61° 62° 64° 63° 62° 62°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 72° 82° N/A 88°
Low 65° 63° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:31 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:22 AM with 14:55 of moolight, then sets at 6:17 PM

Londonderry Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 30, 2016; 5:21 PM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps