• Today

    May 23

    63°Lo 43°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sun

    May 24

    81°Lo 54°

    Mostly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    May 25

    83°Lo 60°

    A blend of sun and clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    May 26

    87°Lo 65°

    An afternoon thunderstorm

    Low ragweed pollen levels
    • Precip
      51%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more
  • Wed

    May 27

    87°Lo 63°

    T-storms possible in the p.m.

    Ragweed Pollen Weather
    • Precip
      35%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      48%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Temp (°F) 58° 60° 62° 63° 63° 62° 58° 54°
RealFeel® 61° 64° 65° 64° 63° 60° 56° 53°
Humidity 19% 19% 18% 18% 20% 25% 30% 37%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 12 WNW 10 W 10 W 10 W 9 W 8 WSW 7 WSW 6 WSW
UV Index 7 6 5 3 2 1 0 0
Cloud Cover 11% 11% 11% 11% 11% 15% 25% 25%
Dew Point 16° 18° 18° 19° 22° 25° 27° 29°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 63° 71° N/A 57°
Low 43° 50° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:16 AM with 14:53 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:29 AM with 14:04 of moolight, then sets at 12:33 AM

Londonderry Weather Report

Boston: Temperatures to Ride Roller Coaster Into Memorial Day

May 23, 2015; 5:05 AM ET

Temperatures will remain on a roller coaster ride around the Boston area through the Memorial Day holiday weekend. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps