• Today

    May 18

    69°Lo 56°

    A few afternoon showers

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more

  • Sun

    May 19

    70°Lo 59°

    Mostly cloudy with a shower

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High

  • Mon

    May 20

    76°Lo 63°

    A thunderstorm in the area

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more

  • Tue

    May 21

    85°Lo 63°

    Warmer with periods of sun

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      70%
    more

  • Wed

    May 22

    86°Lo 64°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Precip
      61%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      69%
    more
Next Previous
Hi 70° RealFeel® 69° Precipitation 55%

Day

N

E

S

W

  • SE 5 mph
  • Gusts: 9 mph

Mostly cloudy with a shower

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 59° RealFeel® 57° Precipitation 56%

Night

N

E

S

W

  • SE 4 mph
  • Gusts: 7 mph

Considerable clouds with a shower

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.07 in
  • Rain: 0.07 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Mohnton Pollen Levels - May 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2012
High 70° 73° 96° (1962) 83°
Low 59° 51° 32° (1973) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:33 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:18 PM with 12:19 of moolight, then sets at 2:37 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps