• Tonight

    Jul 9

    Lo 66°

    Mostly cloudy with a shower

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

    Jul 10

    85°Lo 65°

    A p.m. t-storm in spots

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

    Jul 11

    86°Lo 63°

    Partly sunny

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

    Jul 12

    86°Lo 65°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
  • Sun

    Jul 13

    85°Lo 69°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      33%
    more
Next Previous
Hi 88° RealFeel® 93° Precipitation 35%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 15 mph

Warm and humid with times of clouds and sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 95%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 65° Precipitation 55%

Night

N

E

S

W

  • NNW 3 mph
  • Gusts: 10 mph

Mostly cloudy with a shower in places

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Princeton Pollen Levels - July 9

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 9

more Historical Weather Data >
  Today Normal Record 7/9/2013
High 88° 85° 106° (1936) 87°
Low 66° 66° 53° (1984) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:54 of sunlight, then sets at 8:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:39 PM with 10:08 of moolight, then sets at 3:47 AM

Top Story

Princeton Weather Report

Philly: Typical Warmth, Spotty Storms Forecast for Weekend

July 9, 2014; 8:45 PM ET

After the intensity and number of thunderstorms diminish into Friday, the weekend will bring fairly typical warmth and humidity for the middle of July around Philadelphia. more >

Battling the Common Cold

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

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps