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    • Tonight

      Aug 17

      70° Lo F
      A couple of thunderstorms
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Fri

      Aug 18

      83° /63°
      Clearing, a thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Aug 19

      81° /62°
      A thunderstorm in spots
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Aug 20

      83° /59°
      Partly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      87° /64°
      Mostly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    85°Hi RealFeel® 98° Precipitation 25%
    Intervals of clouds and sunshine; humid this afternoon
    • Winds from the
    • SSE 5 mph
    • Gusts: 10 mph
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    70°Lo RealFeel® 70° Precipitation 65%
    Becoming cloudy, warm and muggy with a couple of showers and a thunderstorm
    • Winds from the
    • S 6 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.16 in
    • Rain: 0.16 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Altoona Pollen Levels Aug 17

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

      Low

    • Ragweed Pollen

      High

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/17/2016
    High 85° 80° 92° (1965) 80°
    Low 70° 59° 43° (1981) 68°

    Sunrise/Sunset

    • Sunrise: 6:26 AM
    • Sunset: 8:09 PM
    • Duration: 13:43 hr

    Moonrise/Moonset

    • Moonrise: 1:58 AM
    • Moonset: 4:48 PM
    • Duration: 14:50 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps