• Today

    Sep 5

    83°Lo 58°

    Turning sunny and less humid

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

    Sep 6

    85°Lo 60°

    Plenty of sunshine

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

    Sep 7

    87°Lo 64°

    Plenty of sunshine

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

    Sep 8

    90°Lo 68°

    Mostly sunny, hot and humid

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

    Sep 9

    90°Lo 67°

    A p.m. t-storm possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 90° RealFeel® 96° Precipitation 30%

Day

N

E

S

W

  • S 7 mph
  • Gusts: 12 mph

Very warm with sun mixing with clouds; chance of an afternoon shower or thunderstorm

  • Max UV Index: 6 (High)
  • Thunderstorms: 35%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 69° Precipitation 40%

Night

N

E

S

W

  • WSW 2 mph
  • Gusts: 5 mph

A thunderstorm in spots in the evening; otherwise, partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 9

more Historical Weather Data >
  Today Normal Record
High 90° N/A N/A N/A
Low 67° N/A N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:44 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:11 AM with 14:07 of moolight, then sets at 5:18 PM

Norristown Weather Report

Philadelphia: Heat to Rebuild on Labor Day After Cooldown

September 5, 2015; 1:35 AM ET

A backdoor front will trim temperatures, haze and humidity around Philadelphia this weekend before all three conditions return by early next week. more >

Wed. Dust & Dander

Wed. Wind Maps