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    • Today

      Jul 28

      84° /69°F
      Humid; an afternoon t-storm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sat

      Jul 29

      74° /62°
      Cooler with rain and drizzle
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jul 30

      78° /62°
      Partly sunny and breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Jul 31

      77° /63°
      Mostly sunny; low humidity
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Aug 1

      84° /67°
      Mostly sunny and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    84°Hi RealFeel® 93° Precipitation 56%
    Some sun, then turning cloudy and very humid; a shower or thunderstorm around this afternoon
    • Winds from the
    • E 7 mph
    • Gusts: 14 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 40%
    • Precipitation: 0.07 in
    • Rain: 0.07 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    69°Lo RealFeel® 64° Precipitation 82%
    Rain, some heavy, and a thunderstorm; watch for flash flooding
    • Winds from the
    • E 8 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 2.02 in
    • Rain: 2.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 11 hrs
    • Hours of Rain: 11 hrs

    Pomona Pollen Levels Jul 28

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 7/28/2016
    High 84° 85° 98° (1999) 90°
    Low 69° 67° 50° (1977) 70°

    Sunrise/Sunset

    • Sunrise: 5:54 AM
    • Sunset: 8:15 PM
    • Duration: 14:21 hr

    Moonrise/Moonset

    • Moonrise: 11:31 AM
    • Moonset: 11:35 PM
    • Duration: 12:04 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps