• Today

    Apr 19

    66°Lo 51°

    Cooler with clouds and sun

    Excellent for lawn mowing
    • Hours of Precip
      7
    • Precip
      13%
    • Hi
      RealFeel
      68°
    more
  • Mon

    Apr 20

    75°Lo 54°

    Rain early in the morning

    Good for lawn mowing
    • Hours of Precip
      6.5
    • Precip
      70%
    • Hi
      RealFeel
      71°
  • Tue

    Apr 21

    70°Lo 44°

    Sunshine; breezy, pleasant

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      72°
    more
  • Wed

    Apr 22

    67°Lo 38°

    An afternoon shower or two

    Very Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      55%
    • Hi
      RealFeel
      67°
    more
  • Thu

    Apr 23

    59°Lo 34°

    Mostly cloudy and cooler

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      20%
    • Hi
      RealFeel
      57°
    more
Next Previous
Hi 75° RealFeel® 71° Precipitation 70%

Day

N

E

S

W

  • SSE 16 mph
  • Gusts: 32 mph

Breezy; rain early in the morning, then a shower or thunderstorm in spots late in the afternoon

  • Max UV Index: 2 (Low)
  • Thunderstorms: 60%
  • Precipitation: 0.38 in
  • Rain: 0.38 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 54° RealFeel® 52° Precipitation 57%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 13 mph

Considerable clouds with occasional rain and a thunderstorm ending after midnight

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.39 in
  • Rain: 0.39 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 75° 64° N/A 60°
Low 54° 42° N/A 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:29 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:43 AM with 14:21 of moolight, then sets at 10:04 PM

Norristown Weather Report

Philly: Rain to Follow Warm Weekend

April 19, 2015; 1:13 PM ET

Unsettled weather will move into the Washington area to start the new week following a warm weekend. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration