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    • Early AM

      Sep 27

      55° Lo
      A little rain
      • Asthma
      • Weather
      • Hi RealFeel: 72°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    • Today

      Sep 27

      72° /54°F
      A little morning rain
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 74°
      • UV: 4 - Moderate
      • Air Qual.: Good
    • Wed

      Sep 28

      61° /53°
      Times of clouds and sun
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 61°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    • Thu

      Sep 29

      60° /54°
      Rather cloudy with a shower
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 55°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    • Fri

      Sep 30

      59° /55°
      Cloudy, a shower; breezy
      • Neutral
      • weather for asthma
      • Hi RealFeel: 54°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    Tuesday
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    Forecast Mostly Cloudy Cloudy Mostly Cloudy Rain Cloudy Cloudy Rain Rain
    Temp (°F) 55° 55° 55° 55° 56° 56° 59° 61°
    RealFeel® 54° 55° 55° 52° 56° 57° 58° 60°
    Wind (mph) 6 S 5 S 4 S 4 S 4 SSE 2 SSE 2 S 4 WSW
    precip
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    Rain
    17%
    22%
    47%
    51%
    47%
    49%
    55%
    55%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    UV Index 0 0 0 0 0 0 0 1
    Cloud Cover 80% 73% 79% 84% 90% 100% 100% 100%
    Humidity 88% 89% 92% 92% 94% 96% 92% 88%
    Dew Point 52° 52° 53° 53° 54° 55° 56° 57°
    Temp °F
    3am
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    65° 60° 55°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 72° 68° N/A 72°
    Low 54° 48° N/A 39°

    Sunrise/Sunset

    • Sunrise: 6:39 AM
    • Sunset: 6:33 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:10 AM
    • Moonset: 5:01 PM
    • Duration: 13:51 hr
    Astronomy

    Londonderry Weather Report

    Rounds of rain to frequent northeastern US this week

    September 27, 2016; 1:30 AM ET

    Bouts of wet weather will soak the northeastern United States during the last full week of September. More >

    Tue. Air Quality

    Tue. Asthma Risk

    Tue. UV Index