• Today

    Jul 27

    93°Lo 68°

    Mostly sunny and hot

    Fair for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Jul 28

    94°Lo 70°

    A p.m. t-storm in spots

    Fair for home energy
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      4 mph
    more
  • Fri

    Jul 29

    83°Lo 63°

    Partly sunny and not as hot

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      4 mph
  • Sat

    Jul 30

    85°Lo 65°

    Intervals of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      5 mph
    more
  • Sun

    Jul 31

    82°Lo 64°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      4 mph
    more
Next Previous
Hi 83° RealFeel® 92° Precipitation 25%

Day

N

E

S

W

  • NE 4 mph
  • Gusts: 6 mph

Not as hot but humid with periods of sun and clouds

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 64° Precipitation 55%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 6 mph

Mostly cloudy with a soaking shower around; watch for flooding

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2015
High 83° 83° N/A 95°
Low 63° 63° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:35 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:37 AM with 14:43 of moolight, then sets at 4:20 PM

Derry Weather Report

Dangerous heat wave to persist in northeastern US much of this week

July 27, 2016; 4:00 AM ET

A stifling heat wave will remain entrenched across the Northeast much of this week, despite a brief reprieve in humidity for some. more >

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index