• Today

    May 27

    88°Lo 66°

    A blend of sun and clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Sat

    May 28

    89°Lo 64°

    Periods of clouds and sun

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

    May 29

    87°Lo 67°

    Warm with clouds and sun

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

    May 30

    75°Lo 63°

    Heavy rain and a thunderstorm

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

    May 31

    86°Lo 63°

    Sunshine; warmer, less humid

    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 >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Rain
Cloudy
Rain
Rain
Rain
Rain
Mostly Cloudy
Mostly Cloudy
Temp (°F) 70° 71° 71° 73° 74° 74° 75° 74°
RealFeel® 70° 76° 72° 74° 75° 78° 82° 80°
Humidity 92% 92% 89% 86% 81% 80% 77% 79%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
59%
 
49%
 
75%
 
75%
 
75%
 
59%
 
49%
 
49%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SSW 5 SSW 5 SSW 5 SW 5 WSW 6 WSW 5 WSW 5 WSW
UV Index 1 2 2 2 2 4 3 2
Cloud Cover 99% 99% 100% 100% 100% 76% 76% 76%
Dew Point 68° 68° 68° 68° 68° 68° 68° 67°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 30

more Historical Weather Data >
  Today Normal Record 5/30/2015
High 75° 76° 96° (1986) 88°
Low 63° 55° 41° (1949) 65°

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 2:01 AM with 12:00 of moolight, then sets at 2:01 PM

Princeton Weather Report

Tropical moisture to dampen Memorial Day celebrations from DC to NYC, Boston

May 27, 2016; 3:39 PM ET

Tropical moisture may put outdoor Memorial Day plans in jeopardy from Washington D.C., to Boston on Monday. more >

Mon. Dust & Dander

Mon. Wind Maps