• Sunny 51°
    Hair Frizz Current Weather
    • Relative Humidity
      92%
    • Wind
      Speed
      4 mph
    • Dew
      Point
      49°
  • Today

    Oct 21

    Hi 62°

    Spotty showers

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      60%
    • Hours of Precip
      2.5
    Day Details >
  • Tomorrow

    Oct 22

    Hi 57°

    Mostly cloudy with a shower

    Advisory for hair frizz
    • Wind
      Gust
      28 mph
    • Precip
      40%
    • Hours of Precip
      1
    Day Details >
  • Thursday

    Oct 23

    Hi 60°

    Clouds giving way to some sun

    Watch for hair frizz
    • Wind
      Gust
      27 mph
    • Precip
      3%
    • Hours of Precip
      0
    Day Details >
Next

Pleasant Sunday

10/21 10/22 Now: 9:33am
AM 9-1
  • 9am Intermittent clouds 49° 34%
  • 10am Intermittent clouds 52° 37%
  • 11am Intermittent clouds 55° 43%
  • 12pm Intermittent clouds 58° 47%
  • 1pm Showers 59° 51%
PM 8-1
  • 8pm Cloudy 55° 34%
  • 9pm Cloudy 53° 34%
  • 10pm Cloudy 52° 37%
  • 11pm Cloudy 52° 43%
  • 12am Mostly cloudy 51° 47%
  • 1am Showers 50° 51%
AM 2-7
  • 2am Cloudy 50° 47%
  • 3am Cloudy 49° 47%
  • 4am Showers 49° 51%
  • 5am Cloudy 49° 40%
  • 6am Mostly cloudy 48° 34%
  • 7am Mostly cloudy 48° 33%
Hourly Forecast >
Oct 21, 2014; 7:26 AM ET
A developing low pressure area that will be centered near the Southern New England coast tomorrow and Thursday will cause widespread wet weather.
Northeast: Clouds, Rain and Drizzle

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Mercersburg Weather Report

Storm to Affect Harrisburg This Week With Some Rain, Wind

October 21, 2014; 5:57 AM ET

A developing nor'easter will bring some rain and wind to the Harrisburg, Pennsylvania, area this week. more >

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The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index