• Today

    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
  • Sun

    May 29

    84°Lo 66°

    Some sun, then clouds; warm

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

    May 30

    80°Lo 61°

    Tropical rainstorm

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

    May 31

    86°Lo 59°

    Mostly sunny and less humid

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

    Jun 1

    84°Lo 58°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 90° RealFeel® 98° Precipitation 40%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 10 mph

Partly sunny with a thunderstorm in spots this afternoon; poor air quality from high ozone levels

  • Max UV Index: 7 (High)
  • Thunderstorms: 49%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 64° RealFeel® 65° Precipitation 7%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 8 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 8%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Bethlehem Pollen Levels - May 28

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    High

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    High

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 90° 75° 93° (1941) 88°
Low 64° 52° 38° (1997) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:50 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:51 AM with 11:00 of moolight, then sets at 11:51 AM

Bethlehem Weather Report

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

May 28, 2016; 7:23 AM ET

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

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps