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    • Early AM

      Sep 25

      43° Lo
      Colder
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Sep 25

      71° /42°F
      Sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Sep 26

      73° /60°
      Increasing cloudiness
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      73° /45°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      72° /53°
      Times of sun and clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    48° RealFeel® 48°
    Clear
    • 4 mph
    • Humidity: 76%
    • Pressure: 30.18 in
    • UV Index: 0
    • Cloud Cover: 0%
    • Ceiling: 38300 ft
    • Dew Point: 41° F
    • Visibility: 10 mi

    Sunrise/Sunset

    • Sunrise: 6:53 AM
    • Sunset: 6:52 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:29 AM
    • Moonset: 3:57 PM
    • Duration: 14:28 hr
    Astronomy

    TEMPERATURE SUMMARY

      Temp (°F)
    Now 48°
    Yesterday 33°
    RealFeel® 48°
    RealFeel® Shade 48°
    Wind Chill 47°
    Dew Point 41°
      Hi / Lo
    Previous 6 Hours 56°/48°
    Previous 12 Hours 75°/48°
    Previous 24 Hours 75°/48°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 71° 71° 92° (1970) 76°
    Low 42° 49° 33° (1963) 56°

    PRECIPITATION SUMMARY

      Amount (in)
    Previous 1 Hour 0
    Previous 3 Hours 0
    Previous 6 Hours 0
    Previous 9 Hours 0
    Previous 12 Hours 0
    Previous 18 Hours 0
    Previous 24 Hours 0

    Bethlehem Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 25, 2016; 1:09 AM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region this weekend. More >

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps