My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 23 ft, 37.338 °N 121.894 °W

      San Jose, CA

      Downtown San Jose Station67°
      Updated: 9:39 AM PDT on September 11, 2026 (GMT -7)
      5 minutes ago
      82°
      60°
      67
      Feels Like 67
      Partly Cloudy
      N
      3
      Lower 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
        Sat 09/12
        High 82°f
         1% Precip. / 0 in
        Some clouds this morning will give way to generally sunny skies for the afternoon. High 82F. Winds NNW at 10 to 20 mph.
        Tonight
        Sat 09/12
        Low 59°f
         4% Precip. / 0 in
        Clear to partly cloudy. Low 59F. Winds NNW at 10 to 15 mph.
        Tomorrow
        Sun 09/13
        High 76°f57°f
         4% Precip. / 0 in
        Partly cloudy skies. High 76F. Winds NW at 10 to 20 mph.
        Hourly Forecast
        Now
        67°
        10AM
        69°
        11AM
        73°
        12PM
        77°
        1PM
        81°
        2PM
        82°
        3PM
        83°
        4PM
        82°
        5PM
        78°
        6PM
        76°
        7PM
        73°
        7:20PM
        Sunset
        8PM
        70°
        9PM
        68°
        10PM
        67°
        11PM
        66°
        12AM
        64°
        1AM
        63°
        2AM
        62°
        3AM
        61°
        4AM
        61°
        5AM
        60°
        6AM
        60°
        6:47AM
        Sunrise
        7AM
        60°
        8AM
        62°
        9AM
        65°
        Precipitation
        4%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        60
        Moderate
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.94 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point57°F
        5. Humidity 69%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSJC Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 82°F 100°F 1979
        4. Low 60°F 59°F 44°F 1928
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 82°F 101°F
        4. Low 60°F 59°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:46 AM 7:21 PM
        3. Civil Twilight 6:20 AM 7:47 PM
        4. Nautical Twilight 5:49 AM 8:18PM
        5. Astronomical Twilight 5:17 AM 8:49 PM
        1. Length of Visible Light 13h 27m
        2. Length of Day 12h 34m
        3. Tomorrow will be 2 minutes 21 seconds shorter
        1. Moon 7:22 AM 7:34 PM
        2. Waxing Crescent0% 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
        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