• Today

    May 31

    86°Lo 61°

    Turning sunny; warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Wed

    Jun 1

    75°Lo 51°

    Sunny and not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Thu

    Jun 2

    68°Lo 52°

    Sun and some clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Fri

    Jun 3

    66°Lo 56°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Sat

    Jun 4

    79°Lo 58°

    Warmer with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
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  Tue
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 76° 80° 82° 83° 85° 86° 86° 85°
RealFeel® 80° 84° 87° 88° 89° 89° 88° 86°
Humidity 43% 37% 32% 29% 27% 25% 26% 27%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
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Snow
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 8 W 9 W 9 W 9 W 10 W 10 W 10 W 9 W
UV Index 4 6 7 8 7 6 5 3
Cloud Cover 40% 14% 11% 11% 11% 11% 11% 11%
Dew Point 53° 51° 50° 48° 47° 47° 48° 48°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 86° 73° N/A 72°
Low 61° 52° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:10 AM with 15:07 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 AM with 12:34 of moolight, then sets at 2:57 PM

Londonderry Weather Report

Bout of cooler air to interrupt summerlike warmth across northeastern US

May 31, 2016; 7:45 AM ET

Temperatures and humidity levels will throttle back as dry air expands southward in the northeastern United States through the middle of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps