• Tonight

    Sep 18

    Lo 46°

    Mainly clear and cool

    Asthma Weather
    • Hi
      RealFeel
      78°
    • UV
      5 - Moderate
    • Air Qual.
      Moderate
  • Fri

    Sep 19

    71°Lo 54°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      73°
    • UV
      5 - Moderate
    • Air Qual.
      Moderate
    more
  • Sat

    Sep 20

    78°Lo 60°

    Clouds giving way to some sun

    Neutral weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    more
  • Sun

    Sep 21

    82°Lo 51°

    A couple of p.m. t-storms

    At Risk weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      5 - Moderate
    • Cloud
      Cover
      45%
    more
  • Mon

    Sep 22

    70°Lo 44°

    Partly sunny and not as warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      70°
    • UV
      5 - Moderate
    • Cloud
      Cover
      48%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8am
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Sunny
Partly Sunny
Temp (°F) 54° 58° 62° 67° 70° 73° 76° 74°
RealFeel® 55° 60° 66° 70° 69° 75° 78° 75°
Humidity 93% 83% 72% 61% 51% 41% 33% 35%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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Snow
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 0 0 0 0 8 ENE 5 NNW 7 NNW 6 N
UV Index 0 1 2 2 3 3 5 4
Cloud Cover 100% 95% 90% 95% 100% 100% 48% 43%
Dew Point 52° 53° 53° 53° 51° 48° 45° 45°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 76° 75° 92° (1965) 72°
Low 46° 55° 40° (1990) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:21 of sunlight, then sets at 7:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:41 AM with 14:19 of moolight, then sets at 4:00 PM

Top Story

York Weather Report

Harrisburg: Remainder of Week to Be Dry, Cool

September 18, 2014; 5:01 PM ET

Rainfall will continue to be scarce around Harrisburg, Pennsylvania, this week, but cool air will be plentiful. 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.

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index