My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Small Craft Advisory
      until 3:00 PM PDT
      Elev 174 ft, 38.437 °N 122.710 °W

      Santa Rosa, CA

      Santa Rosa Station55°
      Updated: 3:44 AM PDT on September 21, 2026 (GMT -7)
      3 minutes ago
      74°
      52°
      55
      Feels Like 55
      Cloudy
      N
      3
      Similar 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
        Tue 09/22
        High 74°f
         16% Precip. / 0 in
        Mostly cloudy early, then sunshine for the afternoon. High 74F. Winds SSW at 5 to 10 mph.
        Tonight
        Tue 09/22
        Low 52°f
         23% Precip. / 0 in
        Partly cloudy skies early will give way to cloudy skies late. Expect mist and reduced visibilities at times. Low 52F. Winds S at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 79°f51°f
         20% Precip. / 0 in
        Partly cloudy skies. Expect mist and reduced visibilities at times. High 79F. Winds S at 5 to 10 mph.
        Hourly Forecast
        Now
        57°
        4AM
        57°
        5AM
        56°
        6AM
        56°
        6:57AM
        Sunrise
        7AM
        53°
        8AM
        54°
        9AM
        55°
        10AM
        56°
        11AM
        59°
        12PM
        64°
        1PM
        70°
        2PM
        73°
        3PM
        73°
        4PM
        72°
        5PM
        70°
        6PM
        67°
        7PM
        62°
        7:08PM
        Sunset
        8PM
        59°
        9PM
        57°
        10PM
        56°
        11PM
        55°
        12AM
        55°
        1AM
        54°
        2AM
        54°
        3AM
        54°
        Precipitation
        23%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        44
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point53°F
        5. Humidity 88%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSTS Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 84°F 105°F 1939
        4. Low 52°F 51°F 32°F 1915
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 84°F 105°F
        4. Low 52°F 51°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 7:09 PM
        3. Civil Twilight 6:31 AM 7:35 PM
        4. Nautical Twilight 6:00 AM 8:06PM
        5. Astronomical Twilight 5:28 AM 8:37 PM
        1. Length of Visible Light 13h 4m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 28 seconds shorter
        1. Moon 4:46 PM 1:40 AM
        2. Waxing Gibbous78% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary