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    • Tonight

      May 29

      49° Lo F
      Partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Tue

      May 30

      80° /52°
      An afternoon thundershower
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      May 31

      76° /51°
      An afternoon thundershower
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      Jun 1

      82° /55°
      A couple of p.m. t-showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      Jun 2

      84° /50°
      Partly sunny and delightful
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    80°Hi RealFeel® 85° Precipitation 50%
    Some sun, then turning cloudy with a shower or thunderstorm in spots this afternoon
    • SSW 10 mph
    • Gusts: 29 mph
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 40%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    49°Lo RealFeel® 46° Precipitation 25%
    Partly cloudy
    • SSE 7 mph
    • Gusts: 15 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

    San Ysidro Pollen Levels May 29

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      High

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/29/2016
    High 80° 87° N/A 84°
    Low 49° 53° N/A 42°

    Sunrise/Sunset

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

    Moonrise/Moonset

    • Moonrise: 10:02 AM
    • Moonset: 12:13 AM
    • Duration: 14:11 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps