• Tonight

    Sep 21

    Lo 56°

    An evening thunderstorm

    Morning School Bus Weather
    • T-storms
      24%
    • Precip
      25%
    • Wind
      Gust
      7 mph
  • Mon

    Sep 22

    68°Lo 43°

    Mostly sunny and not as warm

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      4%
    • Wind
      Gust
      30 mph
    more
  • Tue

    Sep 23

    70°Lo 48°

    Sunny and beautiful

    Excellent at the bus stop
    • T-storms
      1%
    • Precip
      2%
    • Wind
      Gust
      7 mph
    more
  • Wed

    Sep 24

    73°Lo 51°

    Sunny and beautiful

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      6%
    • Wind
      Gust
      7 mph
    more
  • Thu

    Sep 25

    71°Lo 48°

    Partly sunny

    Excellent at the bus stop
    • T-storms
      0%
    • Precip
      8%
    • Wind
      Gust
      6 mph
    more
Next Previous
Hi 81° RealFeel® 84° Precipitation 25%

Day

N

E

S

W

  • WSW 3 mph
  • Gusts: 7 mph

Humid this morning with a thick cloud cover, then intervals of clouds and sunshine this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 51° Precipitation 55%

Night

N

E

S

W

  • W 3 mph
  • Gusts: 7 mph

An evening shower or thunderstorm; otherwise, patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 81° 74° N/A 77°
Low 56° 52° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 12:13 of sunlight, then sets at 7:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:20 AM with 13:15 of moolight, then sets at 5:35 PM

Top Story

Norristown Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. more >

The AccuWeather RealFeel Temperature

May 17, 2012; 5:00 AM ET This product plays a big role as humidity rises.

Sun. Morning Bus Stop

Sun. UV Index

Sun. Wind Maps