• Today

    Aug 20

    82°Lo 63°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Aug 21

    81°Lo 61°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    80°Lo 64°

    A heavy afternoon t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    74°Lo 63°

    A brief shower or two

    Low ragweed pollen levels
    • Precip
      59%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Aug 24

    75°Lo 61°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      19%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 69° 71° 74° 77° 77° 79° 81° 79°
RealFeel® 70° 76° 81° 87° 86° 87° 88° 85°
Humidity 90% 84% 78% 73% 72% 66% 62% 73%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
51%
 
47%
 
43%
 
47%
 
51%
 
47%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 2 S 2 SSW 2 SW 3 SW 3 WSW 3 WSW 4 WSW 4 SW
UV Index 1 2 4 5 6 4 4 3
Cloud Cover 78% 70% 70% 70% 70% 70% 70% 70%
Dew Point 66° 66° 67° 67° 68° 67° 67° 70°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 81° 83° 97° (1916) 87°
Low 61° 63° 50° (2000) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 13:33 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:53 AM with 14:32 of moolight, then sets at 5:25 PM

Top Story

Duncannon Weather Report

Harrisburg: Downpour, Flooding Risk to Increase Into Thursday

August 20, 2014; 3:25 AM ET

A wedge of dry air will slowly erode at midweek and will allow showers and thunderstorms to survive the trip into Harrisburg, Pennsylvania, from the Midwest. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps