• Tonight

    Jul 23

    Lo 70°

    Thunderstorms, strong early

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Jul 24

    82°Lo 62°

    Not as hot with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Jul 25

    84°Lo 60°

    Mostly sunny and comfortable

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Jul 26

    87°Lo 69°

    Sun, some clouds

    Low ragweed pollen levels
    • Precip
      9%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      28%
    more
  • Sun

    Jul 27

    88°Lo 69°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      49%
    more
Next Previous
Hi 82° RealFeel® 87° Precipitation 56%

Day

N

E

S

W

  • N 5 mph
  • Gusts: 8 mph

Clouds breaking and not as hot with a shower or thunderstorm around into the early afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 62° RealFeel® 60° Precipitation 25%

Night

N

E

S

W

  • NNE 4 mph
  • Gusts: 6 mph

Partly cloudy; less humid late

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Princeton Pollen Levels - July 24

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 24

more Historical Weather Data >
  Today Normal Record 7/24/2013
High 82° 86° 98° (1910) 79°
Low 62° 66° 49° (1985) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:32 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:55 AM with 14:39 of moolight, then sets at 6:34 PM

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Fresh cooler and less humid air will settle over the Philadelphia area for Thursday and Friday. more >

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Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps