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      Elev 400 ft, 35.305 °N 120.682 °W

      San Luis Obispo, CA

      San Luis Obispo Station57°
      Updated: 3:33 AM PDT on September 13, 2026 (GMT -7)
      2 minutes ago
      77°
      54°
      57
      Feels Like 57
      Clear
      N
      3
      Same temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Mon 09/14
        High 77°f
         8% Precip. / 0 in
        Sunny skies. Becoming windy late. High 77F. Winds NNW at 20 to 30 mph.
        Tonight
        Mon 09/14
        Low 52°f
         17% Precip. / 0 in
        A few passing clouds. Low 52F. N winds at 15 to 25 mph, decreasing to 5 to 10 mph.
        Tomorrow
        Tue 09/15
        High 78°f52°f
         16% Precip. / 0 in
        Except for a few afternoon clouds, mainly sunny. High 78F. Winds NNW at 15 to 25 mph.
        Hourly Forecast
        Now
        56°
        4AM
        56°
        5AM
        56°
        6AM
        55°
        6:44AM
        Sunrise
        7AM
        55°
        8AM
        58°
        9AM
        63°
        10AM
        69°
        11AM
        74°
        12PM
        76°
        1PM
        75°
        2PM
        74°
        3PM
        73°
        4PM
        73°
        5PM
        70°
        6PM
        68°
        7PM
        66°
        7:12PM
        Sunset
        8PM
        64°
        9PM
        64°
        10PM
        63°
        11PM
        61°
        12AM
        60°
        1AM
        59°
        2AM
        58°
        3AM
        57°
        Precipitation
        11%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.94 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point52°F
        5. Humidity 86%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCSL Station History
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 80°F 100°F 2003
        4. Low 54°F 54°F 43°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 80°F 112°F
        4. Low 54°F 54°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 7:12 PM
        3. Civil Twilight 6:18 AM 7:37 PM
        4. Nautical Twilight 5:48 AM 8:07PM
        5. Astronomical Twilight 5:18 AM 8:38 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 28m
        3. Tomorrow will be 2 minutes 10 seconds shorter
        1. Moon 9:25 AM 8:24 PM
        2. Waxing Crescent7% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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