• Early AM

    Jul 31

    Lo 72°

    A couple of showers

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Jul 31

    86°Lo 71°

    Showers and a heavier t-storm

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

    Aug 1

    87°Lo 68°

    A heavy afternoon t-storm

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

    Aug 2

    81°Lo 64°

    Sun and some clouds

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

    Aug 3

    82°Lo 63°

    Sunshine and some clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
1pm
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Sunny
Mostly Cloudy
Mostly Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
T-storms
Cloudy
Temp (°F) 81° 83° 86° 81° 81° 81° 80° 77°
RealFeel® 100° 98° 99° 89° 90° 88° 81° 82°
Humidity 89% 79% 72% 86% 79% 78% 81% 86%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
25%
 
48%
 
49%
 
56%
 
49%
 
47%
 
51%
 
43%
Snow
 
0%
 
0%
 
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0%
 
0%
 
0%
 
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0%
Ice
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 6 ESE 7 ESE 7 E 7 E 7 E 7 E 7 E 6 E
UV Index 6 4 3 2 1 1 0 0
Cloud Cover 45% 76% 76% 76% 76% 76% 76% 90%
Dew Point 77° 76° 76° 77° 74° 73° 74° 73°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 86° 85° 99° (1954) 90°
Low 71° 66° 56° (2001) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:17 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:42 AM with 14:42 of moolight, then sets at 6:24 PM

Princeton Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 31, 2016; 12:33 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps