• Tonight

    May 28

    Lo 63°

    Partly cloudy and warm

    Asthma Weather
    • Hi
      RealFeel
      97°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Sun

    May 29

    72°Lo 59°

    Clouds break for sun; cooler

    At Risk weather for asthma
    • Hi
      RealFeel
      77°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
  • 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 60°

    Warmer with partial sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Wed

    Jun 1

    78°Lo 56°

    Sunny and beautiful

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 71° 70° 68° 67° 65° 63° 62° 61°
RealFeel® 75° 73° 69° 67° 65° 63° 63° 62°
Humidity 81% 82% 84% 85% 89% 94% 91% 93%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 7 NE 7 NE 7 NE 6 ENE 5 ENE 5 ENE 4 ENE 4 ENE
UV Index 4 3 2 1 0 0 0 0
Cloud Cover 70% 70% 70% 70% 70% 97% 96% 95%
Dew Point 65° 64° 63° 62° 62° 61° 60° 59°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 29

more Historical Weather Data >
  Today Normal Record 5/29/2015
High 72° 72° N/A 81°
Low 59° 51° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:11 AM with 15:05 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:14 AM with 11:23 of moolight, then sets at 12:37 PM

Londonderry Weather Report

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

May 28, 2016; 9:03 PM ET

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

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index