• Early AM

    Apr 21

    Lo 33°

    Partly cloudy

    Asthma Weather
    • Hi
      RealFeel
      45°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Today

    Apr 21

    71°Lo 43°

    Warmer with clouds breaking

    Beneficial weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      6 - High
    • Air Qual.
      Good
  • Tue

    Apr 22

    71°Lo 44°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Wed

    Apr 23

    59°Lo 35°

    A morning shower; cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      57°
    • UV
      5 - Moderate
    • Cloud
      Cover
      72%
    more
  • Thu

    Apr 24

    59°Lo 38°

    Partly sunny and windy

    Beneficial weather for asthma
    • Hi
      RealFeel
      55°
    • UV
      6 - High
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 63° 65° 67° 68° 71° 70° 69° 67°
RealFeel® 68° 69° 71° 70° 71° 68° 66° 63°
Humidity 24% 21% 19% 18% 17% 18% 20% 23%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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Snow
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 6 SSW 7 SSW 7 SSW 8 SSW 8 SSW 9 SSW 7 SSW 6 S
UV Index 5 5 6 5 4 2 1 0
Cloud Cover 76% 76% 26% 26% 26% 26% 26% 26%
Dew Point 26° 23° 23° 23° 24° 24° 26° 28°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 71° 60° N/A 54°
Low 43° 39° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:39 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:05 AM with 10:10 of moolight, then sets at 11:15 AM

Top Story

Derry Weather Report

Boston: Milder Patriots' Day Follows Easter Cooldown

April 20, 2014; 9:01 PM ET

After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index