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      Elev 23 ft, 37.338 °N 121.894 °W

      San Jose, CA

      Downtown San Jose Station76°
      Updated: 7:10 PM PDT on September 30, 2026 (GMT -7)
      7 minutes ago
      91°
      55°
      76
      Feels Like 76
      Clear
      N
      8
      Lower temperature is expected tomorrow
      Wundermap
      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
        Thu 10/01
        Low 58°f
         18% Precip. / 0 in
        Mainly clear. Low 58F. NNW winds shifting to ENE at 10 to 15 mph.
        Tomorrow
        Fri 10/02
        High 84°f
         18% Precip. / 0 in
        A few passing clouds, otherwise generally sunny. High 84F. Winds NNW at 10 to 15 mph.
        Tomorrow night
        Fri 10/02
        Low 61°f
         6% Precip. / 0 in
        A few clouds from time to time. Low 61F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        76°
        8PM
        72°
        9PM
        70°
        10PM
        68°
        11PM
        66°
        12AM
        65°
        1AM
        64°
        2AM
        63°
        3AM
        61°
        4AM
        61°
        5AM
        60°
        6AM
        59°
        7AM
        59°
        7:03AM
        Sunrise
        8AM
        61°
        9AM
        64°
        10AM
        66°
        11AM
        71°
        12PM
        76°
        1PM
        80°
        2PM
        82°
        3PM
        83°
        4PM
        83°
        5PM
        81°
        6PM
        78°
        6:50PM
        Sunset
        7PM
        73°
        Precipitation
        19%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        43
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.79 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point53°F
        5. Humidity 46%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSJC Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 79°F 95°F 2024
        4. Low 55°F 57°F 35°F 1893
        5. Rain/Snow Depth
        6. Precipitation 0 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 79°F 100°F
        4. Low 58°F 57°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:02 AM 6:51 PM
        3. Civil Twilight 6:36 AM 7:17 PM
        4. Nautical Twilight 6:06 AM 7:48PM
        5. Astronomical Twilight 5:35 AM 8:18 PM
        1. Length of Visible Light 12h 41m
        2. Length of Day 11h 49m
        3. Tomorrow will be 2 minutes 22 seconds shorter
        1. Moon 9:14 PM 11:42 AM
        2. Waning Gibbous76% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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