• Mon

    May 18

    73°Lo 54°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      74%
  • Tue

    May 19

    75°Lo 60°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
  • Wed

    May 20

    81°Lo 55°

    A shower in the afternoon

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      40%
    more
  • Thu

    May 21

    71°Lo 54°

    Colder; rain in the afternoon

    Ragweed Pollen Weather
    • Precip
      66%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      99%
    more
  • Fri

    May 22

    70°Lo 53°

    Cloudy with a touch of rain

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      84%
    more
Next Previous
Hi 73° RealFeel® 77° Precipitation 25%

Day

N

E

S

W

  • NW 5 mph
  • Gusts: 6 mph

Mostly cloudy

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 54° RealFeel® 52° Precipitation 25%

Night

N

E

S

W

  • W 5 mph
  • Gusts: 9 mph

Partly cloudy

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

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2014
High 73° 72° 95° (1911) 66°
Low 54° 51° 38° (2003) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:40 AM with 14:31 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:15 AM with 14:31 of moolight, then sets at 8:46 PM

Princeton Weather Report

Philly: Building Weekend Warmth to be Followed by Taste of Summer

May 3, 2015; 4:04 AM ET

After temperatures rise this weekend, Philadelphia will experience a taste of summer early in the new week. more >