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    • Today

      Feb 27

      78° /63°F
      Clouds breaking for some sun
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Tue

      Feb 28

      87° /58°
      Areas of morning fog
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      Mar 1

      70° /42°
      Turning cloudy and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      Mar 2

      67° /43°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      Mar 3

      66° /49°
      A stray afternoon shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    78°Hi RealFeel® 81° Precipitation 25%
    Clouds giving way to some sun; warmer this afternoon
    • S 8 mph
    • Gusts: 15 mph
    • Max UV Index: 5 (Moderate)
    • 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

    63°Lo RealFeel® 59° Precipitation 25%
    Mostly cloudy and mild; areas of fog late
    • S 9 mph
    • Gusts: 14 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 Marcos Pollen Levels Feb 27

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/27/2016
    High 78° 68° N/A 72°
    Low 63° 45° N/A 37°

    Sunrise/Sunset

    • Sunrise: 7:00 AM
    • Sunset: 6:30 PM
    • Duration: 11:30 hr

    Moonrise/Moonset

    • Moonrise: 7:44 AM
    • Moonset: 7:50 PM
    • Duration: 12:06 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps