• Tonight

    Sep 1

    Lo 68°

    Partly cloudy; fog late

    Asthma Weather
    • Hi
      RealFeel
      92°
    • UV
      5 - Moderate
    • Air Qual.
      Good
  • Tue

    Sep 2

    90°Lo 67°

    Areas of morning fog

    At Risk weather for asthma
    • Hi
      RealFeel
      94°
    • UV
      5 - Moderate
    • Air Qual.
      Moderate
    more
  • Wed

    Sep 3

    85°Lo 61°

    Sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Thu

    Sep 4

    84°Lo 62°

    Mostly sunny and warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      6 - High
    • Cloud
      Cover
      11%
    more
  • Fri

    Sep 5

    88°Lo 68°

    Sunny and remaining warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      6 - High
    • Cloud
      Cover
      10%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Mostly Cloudy
T-storms
Partly Sunny
Temp (°F) 71° 70° 69° 69° 68° 67° 69° 71°
RealFeel® 71° 70° 69° 68° 67° 66° 68° 73°
Humidity 93% 93% 93% 93% 93% 93% 93% 90%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
34%
 
34%
 
34%
 
37%
 
43%
 
47%
 
51%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 S 4 SSE 3 SSE 3 SSE 3 SSW 3 SSW 3 SSW 2 SSW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 79% 78% 76% 73% 74% 79% 83% 41%
Dew Point 69° 68° 67° 67° 66° 65° 67° 68°
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 68° 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

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Derry Weather Report

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September 1, 2014; 11:00 AM ET

While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into next weekend around Boston. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index