• Tonight

    Dec 19

    Lo 21°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Dec 20

    34°Lo 24°

    Increasing clouds

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

    Dec 21

    33°Lo 24°

    Some sun

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

    Dec 22

    37°Lo 30°

    Some sun, then clouds

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      60%
    more
  • Tue

    Dec 23

    42°Lo 39°

    Mainly cloudy, rain possible

    Ragweed Pollen Weather
    • Precip
      35%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      73%
    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
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 25° 28° 31° 32° 33° 34° 33° 31°
RealFeel® 25° 29° 32° 34° 35° 34° 33° 31°
Humidity 70% 63% 59% 55% 53% 53% 54% 59%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
1%
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 N 5 N 5 N 5 N 5 N 5 NNE 4 NNE 4 NNE
UV Index 0 1 1 1 1 1 0 0
Cloud Cover 25% 25% 29% 36% 46% 50% 58% 65%
Dew Point 17° 17° 18° 18° 18° 18° 18° 19°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 34° 37° N/A 42°
Low 24° 21° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:12 AM with 9:01 of sunlight, then sets at 4:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:23 AM with 10:01 of moolight, then sets at 3:24 PM

Derry Weather Report

Boston: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 19, 2014; 6:08 PM ET

Following benign weather this weekend, a major storm will affect Boston, much of the East and Midwest on Christmas Eve. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps