• Tonight

    Sep 1

    Lo 65°

    Partly cloudy, warm; fog late

    Hair Frizz Weather
    • Wind
      Gust
      9 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Wed

    Sep 2

    85°Lo 65°

    Areas of morning fog

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      40%
    • Hours of Precip
      0.5
    more
  • Thu

    Sep 3

    86°Lo 64°

    A t-storm around in the p.m.

    Advisory for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      40%
    • Hours of Precip
      0.5
  • Fri

    Sep 4

    85°Lo 65°

    An afternoon thunderstorm

    Advisory for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      55%
    • Hours of Precip
      0.5
    more
  • Sat

    Sep 5

    83°Lo 60°

    Partly sunny and very warm

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 86° RealFeel® 91° Precipitation 40%

Day

N

E

S

W

  • WNW 5 mph
  • Gusts: 8 mph

Very warm with times of clouds and sun; a thunderstorm in spots in the afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 64° RealFeel® 66° Precipitation 13%

Night

N

E

S

W

  • ENE 2 mph
  • Gusts: 5 mph

Clear to partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 86° 78° 95° (1953) 81°
Low 64° 54° 39° (1946) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 13:00 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:09 PM with 14:19 of moolight, then sets at 1:28 PM

Ligonier Weather Report

Pittsburgh: Summery Start to September

September 1, 2015; 5:04 PM ET

A push of July-like warmth and humidity will affect Pittsburgh this week during the first part of September. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index