• Today

    May 22

    72°Lo 39°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sat

    May 23

    65°Lo 45°

    Mostly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    May 24

    82°Lo 56°

    Pleasant and warmer

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    May 25

    83°Lo 62°

    Times of clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    May 26

    86°Lo 65°

    A t-storm in the afternoon

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 47° 50° 52° 55° 57° 57° 58° 61°
RealFeel® 44° 49° 53° 57° 60° 60° 62° 64°
Humidity 39% 32% 25% 20% 18% 17% 17% 17%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 9 WNW 10 WNW 12 WNW 12 WNW 12 WNW 12 WNW 12 WNW 12 W
UV Index 2 3 4 6 7 7 7 6
Cloud Cover 5% 7% 9% 11% 11% 19% 25% 20%
Dew Point 23° 21° 18° 15° 14° 13° 14° 15°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 72° 71° N/A 57°
Low 39° 50° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:15 AM with 14:54 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:29 AM with 14:04 of moolight, then sets at 12:33 AM

Derry Weather Report

Boston: Temperatures to Ride Roller Coaster Into Memorial Day

May 23, 2015; 5:05 AM ET

Temperatures will remain on a roller coaster ride around the Boston area through the Memorial Day holiday weekend. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Fri. Snow Day Potential