• Tonight

    Sep 1

    Lo 68°

    Mainly clear, warm; fog late

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Sep 2

    90°Lo 69°

    Fog in the a.m.; partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    Sep 3

    92°Lo 69°

    Hot with sun, some clouds

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

    Sep 4

    83°Lo 60°

    Periods of sun with a t-storm

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

    Sep 5

    80°Lo 55°

    Sunny

    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 >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Fog
Fog
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 76° 80° 84° 86° 88° 89° 89° 90°
RealFeel® 86° 91° 96° 98° 100° 99° 98° 97°
Humidity 84% 71% 62% 54% 51% 47% 46% 45%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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0%
 
0%
Snow
 
0%
 
0%
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 2 E 2 ESE 2 SE 2 SSE 2 SW 2 WSW 2 W 2 W
UV Index 2 3 5 6 6 5 4 3
Cloud Cover 10% 8% 10% 10% 10% 45% 45% 45%
Dew Point 71° 70° 70° 67° 68° 67° 66° 67°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record
High 90° N/A N/A N/A
Low 69° N/A N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:02 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:10 PM with 13:57 of moolight, then sets at 12:07 PM

Norristown Weather Report

Philadelphia: July-like Heat to Continue Through Labor Day

September 1, 2015; 5:32 PM ET

The vast majority of the time through the Labor Day weekend will feature sunshine with unseasonably hot afternoons around Philadelphia. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps