• Today

    Aug 3

    90°Lo 67°

    A heavy afternoon t-storm

    Very Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      55%
    • Hi
      RealFeel
      91°
    more
  • Tue

    Aug 4

    86°Lo 61°

    Times of clouds and sun

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      89°
  • Wed

    Aug 5

    85°Lo 64°

    Mostly sunny and humid

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      88°
    more
  • Thu

    Aug 6

    73°Lo 62°

    Cooler with periods of rain

    Poor for lawn mowing
    • Hours of Precip
      3.5
    • Precip
      64%
    • Hi
      RealFeel
      76°
    more
  • Fri

    Aug 7

    76°Lo 59°

    Cloudy with a touch of rain

    Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      63%
    • Hi
      RealFeel
      78°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 70° 69° 67° 69° 70° 74° 76° 79°
RealFeel® 69° 68° 66° 70° 73° 79° 82° 86°
Humidity 74% 78% 85% 84% 83% 76% 68% 62%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
20%
 
20%
 
20%
 
14%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 SW 4 SW 4 SW 4 SW 4 SW 5 WSW 6 W 6 W
UV Index 0 0 0 0 1 3 4 6
Cloud Cover 70% 70% 70% 70% 46% 46% 46% 46%
Dew Point 62° 62° 62° 64° 65° 66° 65° 65°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 86° 84° 105° (1930) 82°
Low 61° 64° 50° (1965) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:09 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:03 PM with 13:11 of moolight, then sets at 12:14 PM

Chambersburg Weather Report

Harrisburg: Warmth to Continue Early This Week Before Cooldown Arrives

August 3, 2015; 3:20 AM ET

Above-average temperatures will continue through the early part of this week in Harrisburg but a cooldown is on the horizon. 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?

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration