• Today

    Sep 21

    81°Lo 57°

    A thunderstorm this afternoon

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      55%
    • Hi
      RealFeel
      83°
  • Mon

    Sep 22

    69°Lo 45°

    Partly sunny and not as warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      65°
    more
  • Tue

    Sep 23

    70°Lo 50°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      72°
    more
  • Wed

    Sep 24

    73°Lo 52°

    Nice with plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      74°
    more
  • Thu

    Sep 25

    72°Lo 51°

    Sunshine and nice

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      75°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
11pm
Mon
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Temp (°F) 66° 64° 63° 62° 61° 60° 59° 58°
RealFeel® 62° 61° 60° 58° 57° 56° 55° 53°
Humidity 85% 85% 84% 83% 82% 82% 82% 82%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
32%
 
32%
 
23%
 
6%
 
6%
 
6%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 5 WNW 6 WNW 6 W 6 W 7 W 7 W 7 WNW 8 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 43%
Dew Point 61° 59° 58° 57° 55° 55° 54° 53°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 81° 74° 94° (1895) 76°
Low 57° 54° 35° (1956) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:13 of sunlight, then sets at 7:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:25 AM with 13:16 of moolight, then sets at 5:41 PM

Top Story

Harrisburg Weather Report

Harrisburg: September Temperature Roller Coaster to Continue

September 21, 2014; 4:45 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Harrisburg, Pennsylvania. 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?

Current Drought Status

Current Soil Conditions

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration