• Early AM

    May 28

    Lo 65°

    A shower possible

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Today

    May 28

    92°Lo 64°

    A thunderstorm in spots

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

    May 29

    73°Lo 60°

    Clouds break for sun; cooler

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

    May 30

    77°Lo 62°

    Clearing, a thunderstorm

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

    May 31

    85°Lo 61°

    Warmer with partial sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Showers
Cloudy
Partly Sunny
Partly Sunny
Temp (°F) 65° 65° 65° 65° 68° 71° 73° 77°
RealFeel® 65° 65° 65° 65° 65° 71° 76° 83°
Humidity 96% 94% 93% 95% 87% 77% 73% 66%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
32%
 
32%
 
32%
 
37%
 
40%
 
37%
 
25%
 
25%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 W 4 SW 4 SW 4 SW 4 SW 4 WSW 4 WSW 5 W
UV Index 0 0 0 0 0 0 1 3
Cloud Cover 50% 61% 83% 96% 100% 100% 45% 45%
Dew Point 64° 63° 63° 64° 64° 63° 64° 65°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 92° 72° N/A 90°
Low 64° 51° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:11 AM with 15:04 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:38 AM with 10:53 of moolight, then sets at 11:31 AM

Londonderry Weather Report

Tropical moisture to dampen Memorial Day celebrations from DC to NYC, Boston

May 28, 2016; 4:43 AM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps