• Today

    Jul 4

    75°Lo 55°

    A brief shower or two

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

    Jul 5

    84°Lo 63°

    Mostly sunny

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

    Jul 6

    87°Lo 63°

    Plenty of sunshine

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

    Jul 7

    84°Lo 69°

    A p.m. shower in places

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

    Jul 8

    85°Lo 65°

    A shower and t-storm around

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Cloudy
Cloudy
Showers
Showers
Showers
Showers
Cloudy
Cloudy
Temp (°F) 70° 71° 72° 72° 75° 73° 72° 71°
RealFeel® 76° 79° 77° 75° 77° 74° 74° 71°
Humidity 57% 55% 51% 47% 43% 46% 47% 51%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
43%
 
47%
 
51%
 
64%
 
68%
 
67%
 
49%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 1 S 2 S 2 S 4 SW 4 SW 4 SW 4 SW 4 SSW
UV Index 4 5 5 4 4 3 2 1
Cloud Cover 95% 92% 93% 96% 96% 95% 95% 99%
Dew Point 54° 54° 53° 51° 51° 52° 51° 51°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 4

more Historical Weather Data >
  Today Normal Record 7/4/2014
High 75° 82° N/A 73°
Low 55° 62° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:12 AM with 15:15 of sunlight, then sets at 8:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:11 PM with 11:09 of moolight, then sets at 9:20 AM

Derry Weather Report

Boston: Rain May Spoil Some Fourth of July Festivities

July 4, 2015; 6:44 AM ET

Wet weather will be making a return to the Boston area as Independence Day activities ramp up. 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

Sat. Snow Day Potential