• Tonight

    Jun 1

    Lo 60°

    Strong evening thunderstorms

    Asthma Weather
    • Hi
      RealFeel
      84°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Tue

    Jun 2

    65°Lo 56°

    Cooler with occasional rain

    Neutral weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Wed

    Jun 3

    68°Lo 59°

    Mostly cloudy, a little rain

    Neutral weather for asthma
    • Hi
      RealFeel
      68°
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Jun 4

    71°Lo 62°

    Rather cloudy with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      5 - Moderate
    • Cloud
      Cover
      76%
    more
  • Fri

    Jun 5

    80°Lo 64°

    A p.m. t-storm in spots

    Neutral weather for asthma
    • Hi
      RealFeel
      88°
    • UV
      5 - Moderate
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 77° RealFeel® 84° Precipitation 70%

Day

N

E

S

W

  • S 8 mph
  • Gusts: 22 mph

Severe thunderstorms this afternoon; otherwise, mostly cloudy and humid

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.28 in
  • Rain: 0.28 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 60° RealFeel® 52° Precipitation 95%

Night

N

E

S

W

  • NW 7 mph
  • Gusts: 18 mph

Strong evening thunderstorms; periods of rain and a thunderstorm late; watch for flash flooding

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 1.35 in
  • Rain: 1.35 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 10 hrs
  • Hours of Rain: 10 hrs

Temperature History - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2014
High 77° 78° N/A 77°
Low 60° 56° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:48 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:23 PM with 10:23 of moolight, then sets at 5:46 AM

Williamstown Weather Report

Philadelphia to Remain Unsettled Following Cooldown

June 1, 2015; 3:17 PM ET

Showers and thunderstorms will be slow to retreat following a cooldown in the Philadelphia area. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index