• Today

    May 28

    93°Lo 65°

    A thunderstorm in spots

    At Risk weather for asthma
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Air Qual.
      Unhealthy
      (Sensitive)
    more
  • Sun

    May 29

    72°Lo 60°

    Clouds break for sun; cooler

    At Risk weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    more
  • Mon

    May 30

    76°Lo 62°

    Clearing, a thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      82°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    May 31

    85°Lo 61°

    Warmer with partial sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      88°
    • UV
      5 - High
    • Air Qual.
      Good
  • Wed

    Jun 1

    78°Lo 56°

    Sunny and beautiful

    Beneficial weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 71° 74° 77° 80° 81° 83° 84° 85°
RealFeel® 74° 78° 83° 86° 87° 88° 88° 88°
Humidity 59% 51% 47% 43% 39% 36% 34% 33%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 WNW 6 NW 7 NW 7 NW 7 NW 8 NW 8 NW 8 WNW
UV Index 3 4 6 7 7 6 5 4
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 57° 55° 55° 56° 54° 54° 53° 54°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 85° 73° N/A 72°
Low 61° 52° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:10 AM with 15:07 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 AM with 12:34 of moolight, then sets at 2:57 PM

Londonderry Weather Report

Tropical moisture to soak Memorial Day celebrations from DC to NYC, Boston

May 28, 2016; 9:23 AM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >

Tue. Asthma Risk

Tue. UV Index