• Tonight

    May 6

    Lo 50°

    Clear

    Asthma Weather
    • Hi
      RealFeel
      81°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Thu

    May 7

    83°Lo 54°

    Mostly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      86°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Fri

    May 8

    76°Lo 52°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      7 - High
    • Air Qual.
      Moderate
    more
  • Sat

    May 9

    81°Lo 62°

    Partly sunny and very warm

    Neutral weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      7 - High
    • Cloud
      Cover
      32%
    more
  • Sun

    May 10

    86°Lo 63°

    Some sun with a t-storm; warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      86°
    • UV
      5 - Moderate
    • Cloud
      Cover
      65%
Next Previous
Hi 86° RealFeel® 86° Precipitation 59%

Day

N

E

S

W

  • W 10 mph
  • Gusts: 16 mph

Times of sun and clouds with a shower or thunderstorm around; very warm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 63° RealFeel® 59° Precipitation 75%

Night

N

E

S

W

  • N 6 mph
  • Gusts: 12 mph

Plenty of clouds; a couple of showers in the evening followed by rain and a thunderstorm late

  • Max UV Index: N/A
  • Thunderstorms: 31%
  • Precipitation: 0.54 in
  • Rain: 0.54 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 6 hrs
  • Hours of Rain: 6 hrs

Temperature History - May 10

more Historical Weather Data >
  Today Normal Record 5/10/2014
High 86° 67° N/A 80°
Low 63° 46° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:28 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:49 AM with 10:33 of moolight, then sets at 11:22 AM

Derry Weather Report

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May 6, 2015; 2:17 PM ET

Following a cooldown at midweek, warmth will return to the Boston area by this weekend. more >

The Dangers of Bus Travel

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Sun. Asthma Risk

Sun. UV Index