• Today

    May 21

    87°Lo 66°

    An afternoon thunderstorm

    Fair for stargazing
    • Cloud
      Cover
      45%
    • Precip
      70%
    • Hours of Precip
      2
    more
  • Wed

    May 22

    83°Lo 64°

    Strong t-storms, mainly later

    Poor for stargazing
    • Cloud
      Cover
      95%
    • Precip
      60%
    • Hours of Precip
      5
    more
  • Thu

    May 23

    76°Lo 47°

    A couple of thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      80%
    • Precip
      75%
    • Hours of Precip
      9
  • Fri

    May 24

    60°Lo 39°

    Cooler with periods of sun

    Good for stargazing
    • Cloud
      Cover
      30%
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Sat

    May 25

    67°Lo 43°

    Pleasant and warmer

    Good for stargazing
    • Cloud
      Cover
      0%
    • Precip
      4%
    • Hours of Precip
      0
    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
Cloudy
T-storms
Mostly Cloudy
T-storms
Partly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
Temp (°F) 66° 66° 70° 70° 73° 72° 76° 73°
RealFeel® 64° 65° 70° 72° 76° 74° 77° 73°
Humidity 78% 79% 71% 79% 68% 78% 65% 65%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
51%
 
43%
 
51%
 
43%
 
51%
 
47%
 
43%
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) 7 SW 8 SW 8 SW 9 SW 9 SW 10 SW 10 SW 9 SW
UV Index 1 2 4 5 5 5 4 3
Cloud Cover 90% 85% 78% 72% 67% 70% 70% 71%
Dew Point 59° 60° 60° 63° 62° 65° 64° 61°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2012
High 76° 72° N/A 79°
Low 47° 53° N/A 57°

Solunar Information for West Mifflin, PA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:57 AM with 14:39 of sunlight, then sets at 8:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:06 PM with 10:21 of moolight, then sets at 5:27 AM

Sat, May 25
Full
Fri, May 31
Last
Sat, Jun 8
New
Sun, Jun 16
First

Studying Jupiter's Hot Spots

May 13, 2013; 8:01 AM ET The 'weather layer' on Jupiter has some interesting features. NASA takes a look at how these features work.

Thu. Stargazing