• Today

    Sep 23

    70°Lo 45°

    Sunny and delightful

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

    Sep 24

    68°Lo 47°

    Fog in the a.m.; mostly sunny

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

    Sep 25

    64°Lo 47°

    Clouds and breaks of sun

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

    Sep 26

    74°Lo 51°

    Mostly sunny and nice

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      20%
    more
  • Sat

    Sep 27

    79°Lo 52°

    Sunny, nice and warm

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Sunny
Clear
Mostly Clear
Temp (°F) 66° 67° 68° 70° 69° 67° 64° 59°
RealFeel® 71° 71° 71° 70° 67° 63° 62° 58°
Humidity 41% 40% 39% 39% 41% 47% 56% 67%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 4 W 4 W 5 W 5 W 5 W 4 W 3 W 2 W
UV Index 4 4 3 2 1 0 0 0
Cloud Cover 22% 21% 18% 15% 12% 7% 3% 11%
Dew Point 42° 42° 42° 43° 44° 46° 48° 48°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 70° 70° N/A 61°
Low 45° 49° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 12:07 of sunlight, then sets at 6:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:55 AM with 12:23 of moolight, then sets at 6:18 PM

Top Story

Londonderry Weather Report

Boston: September Temperature Roller Coaster to Continue

September 23, 2014; 1:37 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps