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      Elev 23 ft, 37.338 °N 121.894 °W

      San Jose, CA

      Downtown San Jose Station75°
      Updated: 8:51 PM PDT on September 10, 2026 (GMT -7)
      6 minutes ago
      98°
      67°
      75
      Feels Like 75
      Clear
      N
      8
      Lower temperature is expected tomorrow
      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
        Tonight
        Fri 09/11
        Low 61°f
         5% Precip. / 0 in
        Generally clear. Low 61F. Winds NW at 5 to 10 mph.
        Tomorrow
        Sat 09/12
        High 83°f
         5% Precip. / 0 in
        Sunny skies. High 83F. Winds NW at 10 to 20 mph.
        Tomorrow night
        Sat 09/12
        Low 58°f
         4% Precip. / 0 in
        A mostly clear sky. Low 58F. Winds NNW at 10 to 15 mph.
        Hourly Forecast
        Now
        75°
        9PM
        75°
        10PM
        73°
        11PM
        71°
        12AM
        71°
        1AM
        69°
        2AM
        67°
        3AM
        66°
        4AM
        64°
        5AM
        64°
        6AM
        63°
        6:46AM
        Sunrise
        7AM
        62°
        8AM
        64°
        9AM
        67°
        10AM
        70°
        11AM
        74°
        12PM
        78°
        1PM
        80°
        2PM
        81°
        3PM
        81°
        4PM
        81°
        5PM
        79°
        6PM
        77°
        7PM
        74°
        7:20PM
        Sunset
        8PM
        71°
        Precipitation
        5%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        45
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point54°F
        5. Humidity 48%
        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 98°F 82°F 100°F 1979
        4. Low 67°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 83°F 82°F 101°F
        4. Low 67°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
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