• Tonight

    Jul 26

    Lo 68°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Jul 27

    93°Lo 68°

    Mostly sunny and hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    Jul 28

    94°Lo 69°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Jul 29

    83°Lo 65°

    Partly sunny and not as hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Jul 30

    84°Lo 63°

    Partly sunny with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 81° 84° 87° 89° 90° 91° 93° 92°
RealFeel® 88° 93° 97° 97° 98° 98° 98° 95°
Humidity 52% 46% 43% 39% 37% 37% 37% 38%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 4 W 4 WSW 5 WSW 5 W 5 W 5 WSW 5 WSW 5 WSW
UV Index 4 6 7 7 7 6 4 3
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 62° 62° 63° 61° 61° 61° 63° 63°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2015
High 93° 83° N/A 84°
Low 68° 63° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:32 AM with 14:39 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:13 AM with 13:52 of moolight, then sets at 2:05 PM

Londonderry Weather Report

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

July 26, 2016; 7:00 PM ET

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

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps