, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Mar 30

      55° Lo F
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
    • Fri

      Mar 31

      88° /65°
      Sunny and very warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Sat

      Apr 1

      80° /66°
      A strong afternoon t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Sun

      Apr 2

      77° /56°
      Rain and a thunderstorm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Mon

      Apr 3

      83° /57°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    81°Hi RealFeel® 89° Precipitation 2%
    Nice with a full day of sunshine
    • W 6 mph
    • Gusts: 16 mph
    • Max UV Index: 9 (Very High)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    55°Lo RealFeel® 53° Precipitation 1%
    Clear
    • SSW 6 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 Mar 30

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

      High

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/30/2016
    High 81° 76° N/A 75°
    Low 55° 52° N/A 68°

    Sunrise/Sunset

    • Sunrise: 7:24 AM
    • Sunset: 7:49 PM
    • Duration: 12:25 hr

    Moonrise/Moonset

    • Moonrise: 9:25 AM
    • Moonset: 10:52 PM
    • Duration: 13:27 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps