• Tonight

    Oct 20

    Lo 41°

    Mostly cloudy, a shower late

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Tue

    Oct 21

    59°Lo 47°

    Periods of rain

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

    Oct 22

    56°Lo 49°

    Breezy with rain

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

    Oct 23

    58°Lo 47°

    Breezy with periods of rain

    Low ragweed pollen levels
    • Precip
      68%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      97%
    more
  • Fri

    Oct 24

    58°Lo 44°

    Cloudy with occasional rain

    Ragweed Pollen Weather
    • Precip
      63%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Partly Sunny
Mostly Sunny
Partly Sunny
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 56° 56° 55° 53° 50° 47° 45° 45°
RealFeel® 54° 53° 51° 49° 48° 46° 44° 44°
Humidity 36% 37% 41% 47% 55% 63% 68% 71%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 9 NNW 9 NNW 8 WSW 7 W 6 W 4 W 4 W 4 W
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 42% 28% 48% 85% 89% 91% 92% 92%
Dew Point 29° 31° 32° 33° 35° 35° 35° 36°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Oct 20

more Historical Weather Data >
  Today Normal Record 10/20/2013
High 56° 60° N/A 61°
Low 41° 39° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 10:50 of sunlight, then sets at 5:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:46 AM with 12:33 of moolight, then sets at 4:19 PM

Londonderry Weather Report

Storm to Affect Boston This Week With Rain, Wind

October 20, 2014; 1:19 PM ET

A developing nor'easter will bring rain and wind to the Boston area during the middle and latter part of the week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps