• Today

    May 3

    76°Lo 52°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      84°
    more
  • Mon

    May 4

    81°Lo 51°

    Mostly sunny, nice and warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      12%
    • Hi
      RealFeel
      84°
  • Tue

    May 5

    76°Lo 53°

    Turning cloudy with a t-storm

    Very Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      56%
    • Hi
      RealFeel
      76°
    more
  • Wed

    May 6

    78°Lo 50°

    Sunshine and pleasantly warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      81°
    more
  • Thu

    May 7

    74°Lo 47°

    Brilliant sunshine and nice

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      78°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Partly Cloudy
Temp (°F) 66° 72° 76° 78° 80° 81° 80° 79°
RealFeel® 70° 76° 81° 83° 84° 84° 82° 80°
Humidity 48% 37% 31% 29% 26% 25% 26% 28%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 SW 6 SW 7 SW 8 SW 10 SW 12 SW 12 SW 12 SW
UV Index 3 4 6 7 7 7 5 4
Cloud Cover 2% 5% 4% 0% 0% 3% 25% 51%
Dew Point 46° 45° 44° 44° 42° 42° 42° 43°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 81° 65° N/A 57°
Low 51° 44° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:13 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:26 PM with 10:17 of moolight, then sets at 6:43 AM

Derry Weather Report

Boston: Building Weekend Warmth to be Followed by Taste of Summer

May 3, 2015; 4:15 AM ET

After temperatures rise this weekend, Boston will experience a taste of summer early in the new week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration