• Today

    May 22

    73°Lo 40°

    Variably cloudy with a shower

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

    May 23

    66°Lo 46°

    Mostly sunny and breezy

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

    May 24

    81°Lo 57°

    Mostly sunny; breezy, warmer

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

    May 25

    78°Lo 61°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      15%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      43%
    more
  • Tue

    May 26

    84°Lo 66°

    Cloudy, humid; a p.m. t-storm

    Ragweed Pollen Weather
    • Precip
      51%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 52° 54° 58° 61° 61° 62° 65° 66°
RealFeel® 49° 52° 58° 62° 62° 62° 66° 67°
Humidity 31% 25% 21% 19% 17% 17% 16% 16%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
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0%
 
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0%
 
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0%
 
0%
Snow
 
0%
 
0%
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 13 WNW 15 WNW 16 WNW 16 WNW 16 WNW 18 W 17 W 15 W
UV Index 3 5 6 7 8 7 6 5
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 22° 19° 18° 18° 16° 16° 17° 18°
Middle Grid line 70 F 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 66° 71° N/A 57°
Low 46° 50° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:15 AM with 14:54 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

Derry Weather Report

Boston to Start Memorial Day Weekend on a Cool Note

May 22, 2015; 4:20 AM ET

This Memorial Day holiday weekend is shaping up to start on a cool note around Boston with a rebound in temperatures to follow for Sunday. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps