• Tonight

    May 27

    Lo 66°

    Partly cloudy and warm

    Ragweed Pollen Weather
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Sat

    May 28

    90°Lo 64°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Sun

    May 29

    87°Lo 65°

    Warm with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Mon

    May 30

    76°Lo 61°

    Showers and a heavier t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Tue

    May 31

    84°Lo 59°

    Mostly sunny and warmer

    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 >
  Fri
6pm
7pm 8pm 9pm 10pm 11pm Sat
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Mostly Cloudy
T-storms
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 84° 82° 79° 77° 76° 73° 72° 71°
RealFeel® 85° 79° 81° 79° 77° 74° 72° 72°
Humidity 53% 58% 70% 72% 77% 80% 81% 85%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
47%
 
51%
 
20%
 
16%
 
16%
 
16%
 
16%
 
12%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 9 SW 8 SW 7 SW 6 SW 6 SW 5 SSW 5 SSW 5 SSW
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 76% 80% 45% 45% 45% 45% 45% 45%
Dew Point 65° 66° 69° 68° 68° 67° 66° 66°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 89° 75° 91° (1991) 88°
Low 66° 52° 38° (1972) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:35 AM with 14:48 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:11 AM with 10:37 of moolight, then sets at 10:48 AM

Bethlehem Weather Report

Tropical moisture to dampen Memorial Day celebrations from DC to NYC, Boston

May 27, 2016; 4:39 PM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps