• Today

    Jul 30

    86°Lo 68°

    Some sun, then clouds

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

    Jul 31

    75°Lo 65°

    Rain and drizzle; not as warm

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

    Aug 1

    72°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

    75°Lo 58°

    Periods of sun 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 63°

    Sun and some clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Next 8 hours >
  Sat
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Temp (°F) 79° 82° 84° 85° 86° 85° 84° 83°
RealFeel® 85° 89° 92° 93° 93° 90° 87° 83°
Humidity 49% 47% 43% 41% 41% 40% 42% 45%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
3%
 
3%
 
2%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 6 NNW 5 NNW 5 N 5 NNE 5 E 5 ESE 5 ESE 5 ESE
UV Index 5 6 7 7 5 4 3 1
Cloud Cover 54% 45% 45% 30% 42% 45% 48% 64%
Dew Point 59° 60° 59° 59° 60° 59° 59° 60°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2015
High 86° 83° N/A 91°
Low 68° 63° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:33 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:26 AM with 14:56 of moolight, then sets at 5:22 PM

Londonderry Weather Report

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

July 30, 2016; 10:21 AM 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 >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps