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    • Tonight

      Aug 18

      66° Lo F
      Partly cloudy; fog late
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Aug 19

      81° /62°
      A heavy afternoon t-storm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Aug 20

      84° /63°
      Mostly sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      89° /67°
      Mostly sunny and warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Aug 22

      89° /69°
      An afternoon thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    88°Hi RealFeel® 95° Precipitation 35%
    Humid with clouds giving way to some sun
    • Winds from the
    • SW 8 mph
    • Gusts: 20 mph
    • Max UV Index: 6 (High)
    • Thunderstorms: 40%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    66°Lo RealFeel® 64° Precipitation 4%
    Patchy clouds; areas of late-night fog
    • Winds from the
    • W 7 mph
    • Gusts: 13 mph
    • 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

    Pittsburgh Pollen Levels Aug 18

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/18/2016
    High 88° 81° 98° (1988) 83°
    Low 66° 63° 40° (1962) 70°

    Sunrise/Sunset

    • Sunrise: 6:34 AM
    • Sunset: 8:15 PM
    • Duration: 13:41 hr

    Moonrise/Moonset

    • Moonrise: 3:02 AM
    • Moonset: 5:55 PM
    • Duration: 14:53 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps