• Today

    Sep 1

    87°Lo 65°

    An afternoon thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    89°Lo 67°

    Times of clouds and sun

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

    Sep 3

    83°Lo 57°

    Sunny; less humid in the p.m.

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

    Sep 4

    84°Lo 60°

    Mostly sunny and warm

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
  • Fri

    Sep 5

    88°Lo 66°

    Sunny and remaining warm

    Ragweed Pollen Weather
    • Precip
      13%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      10%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9pm
10pm 11pm Tue
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 74° 72° 70° 69° 69° 69° 68° 67°
RealFeel® 74° 73° 71° 69° 70° 69° 67° 66°
Humidity 80% 86% 91% 93% 93% 93% 93% 93%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 2 SSW 2 SSW 2 W 2 W 2 W 2 W 2 WNW 2 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 67° 68° 67° 67° 67° 67° 66° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 87° 78° N/A 85°
Low 65° 58° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:10 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 10:06 of moolight, then sets at 11:08 PM

Top Story

Londonderry Weather Report

Boston: Warmth to Hold Beyond Labor Day

September 1, 2014; 4:18 AM ET

Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind with summer warmth surging in around Boston. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps