• Early AM

    May 31

    Lo 66°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Today

    May 31

    87°Lo 62°

    Clouds, then sun; less humid

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
  • Wed

    Jun 1

    80°Lo 57°

    Sunny with low humidity

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Thu

    Jun 2

    76°Lo 60°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Fri

    Jun 3

    73°Lo 62°

    Mostly cloudy with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
Next Previous
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  Tue
5am
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  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 66° 67° 68° 70° 74° 77° 80° 82°
RealFeel® 66° 66° 68° 73° 79° 83° 88° 92°
Humidity 90% 88% 85% 82% 74% 62% 55% 50%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
3%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
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Ice
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 SW 4 WSW 4 WNW 5 NW 5 NNW 5 N 5 N 5 NNW
UV Index 0 0 0 1 2 4 6 7
Cloud Cover 92% 89% 85% 82% 78% 66% 54% 42%
Dew Point 63° 63° 63° 65° 65° 63° 62° 62°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 87° 76° 99° (1986) 91°
Low 62° 55° 39° (1997) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:31 AM with 14:51 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:36 AM with 12:34 of moolight, then sets at 3:10 PM

Princeton Weather Report

Bout of cooler air to interrupt summerlike warmth across northeastern US

May 31, 2016; 12:41 AM ET

Temperatures and humidity levels will throttle back as dry air expands southward in the northeastern United States through the middle of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps