• Tonight

    Sep 16

    Lo 45°

    Mainly clear

    Asthma Weather
    • Hi
      RealFeel
      65°
    • UV
      2 - Low
    • Air Qual.
      Good
  • Wed

    Sep 17

    69°Lo 45°

    Sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      73°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Sep 18

    71°Lo 39°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Sep 19

    60°Lo 38°

    Mostly sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      65°
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
    more
  • Sat

    Sep 20

    69°Lo 53°

    Mostly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      69°
    • UV
      5 - Moderate
    • Cloud
      Cover
      24%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Cloudy
Mostly Clear
Temp (°F) 59° 60° 62° 63° 63° 61° 60° 56°
RealFeel® 63° 63° 65° 65° 64° 61° 59° 56°
Humidity 75% 71% 65% 64% 64% 70% 77% 87%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
37%
 
20%
 
20%
 
20%
 
20%
 
20%
 
13%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 2 N 3 S 3 WSW 2 WSW 2 N 2 W 2 N 2 N
UV Index 2 2 2 1 1 0 0 0
Cloud Cover 94% 97% 94% 92% 90% 71% 52% 23%
Dew Point 51° 51° 51° 51° 51° 51° 52° 52°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 16

more Historical Weather Data >
  Today Normal Record 9/16/2013
High 63° 72° N/A 67°
Low 45° 52° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 12:28 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:35 AM with -10:-15 of moolight, then sets at 2:20 PM

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Londonderry Weather Report

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September 16, 2014; 1:15 PM ET

Rainfall will be scarce around Boston this week, but cool air will be plentiful. 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.

Tue. Air Quality

Tue. Asthma Risk

Tue. UV Index