• Today

    Jul 23

    96°Lo 68°

    Mostly sunny and very hot

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

    Jul 24

    94°Lo 70°

    Sunny and hot

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

    Jul 25

    97°Lo 74°

    Very hot; a p.m. t-storm

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

    Jul 26

    95°Lo 70°

    Partly sunny and hot

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

    Jul 27

    93°Lo 72°

    Mostly sunny and hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 96° RealFeel® 98° Precipitation 1%

Day

N

E

S

W

  • W 8 mph
  • Gusts: 16 mph

Sunny much of the time and very hot; extreme heat may be dangerous for outdoor activities

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 68° RealFeel® 67° Precipitation 16%

Night

N

E

S

W

  • NW 5 mph
  • Gusts: 10 mph

Clear and less humid

  • Max UV Index: N/A
  • Thunderstorms: 7%
  • 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 23

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

    Low

  • Ragweed Pollen

    Low

  • Mold

    High

  • Grass Pollen

    Low

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2015
High 96° 86° 104° (2011) 82°
Low 68° 66° 55° (1985) 62°

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 10:41 PM with 12:10 of moolight, then sets at 10:51 AM

Princeton Weather Report

'Virtually no relief' from heat in store for eastern US into end of July

July 23, 2016; 12:25 PM ET

Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps