• Today

    Dec 18

    42°Lo 26°

    Showers of rain and snow

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      65%
    • Precip
      55%
  • Fri

    Dec 19

    34°Lo 21°

    Mostly sunny

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      11%
    • Precip
      8%
    more
  • Sat

    Dec 20

    34°Lo 26°

    Sunshine giving way to clouds

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      25%
    • Precip
      19%
    more
  • Sun

    Dec 21

    35°Lo 27°

    Mostly sunny

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      24%
    • Precip
      9%
    more
  • Mon

    Dec 22

    38°Lo 31°

    Partly sunny

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      62%
    • Precip
      18%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
6pm
7pm 8pm 9pm 10pm 11pm Fri
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 37° 36° 34° 33° 32° 31° 30° 30°
RealFeel® 28° 27° 27° 28° 28° 26° 25° 25°
Humidity 63% 64% 65% 67% 69% 69% 70% 70%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
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0%
Snow
 
0%
 
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Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 10 WNW 9 WNW 8 WNW 7 WNW 6 WNW 6 WNW 7 WNW 7 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 34% 26% 26% 26% 26% 26% 26% 26%
Dew Point 25° 25° 24° 24° 23° 22° 22° 21°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Riverside Tide Table - Dec 18

See all tide tables >
Low 4:44 AM 0.5 ft
High 9:43 AM 5.7 ft
Low 5:21 PM 0.3 ft
High 10:08 PM 5 ft

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 42° 37° N/A 33°
Low 26° 22° N/A 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:11 AM with 9:02 of sunlight, then sets at 4:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:17 AM with 10:38 of moolight, then sets at 1:55 PM

Derry Weather Report

Boston: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 18, 2014; 6:30 AM ET

After a weak storm brings spotty light snow and rain to the region this weekend, a storm will threaten major travel disruptions in Boston before Christmas. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Thu. Beach & Pool

Thu. UV Index

Thu. Wind Maps