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      Heat Advisory
      until 10:00 PM PDT
      Elev 44 ft, 38.256 °N 122.061 °W

      Fairfield, CA

      By the Mall Station106°
      Updated: 2:30 PM PDT on September 10, 2026 (GMT -7)
      8 minutes ago
      99°
      66°
      106
      Feels Like 102
      Fair
      N
      18
      Gusts 29 mph
      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
        Fri 09/11
        High 99°f
         0% Precip. / 0 in
        Sun and clouds mixed. Hot. High 99F. Winds WSW at 15 to 25 mph.
        Tonight
        Fri 09/11
        Low 59°f
         6% Precip. / 0 in
        Clear skies. Low 59F. Winds WSW at 10 to 20 mph.
        Tomorrow
        Sat 09/12
        High 86°f59°f
         7% Precip. / 0 in
        Mostly sunny. High 86F. Winds SW at 10 to 20 mph.
        Hourly Forecast
        Now
        100°
        3PM
        100°
        4PM
        98°
        5PM
        96°
        6PM
        90°
        7PM
        85°
        7:23PM
        Sunset
        8PM
        79°
        9PM
        75°
        10PM
        73°
        11PM
        71°
        12AM
        69°
        1AM
        67°
        2AM
        66°
        3AM
        64°
        4AM
        63°
        5AM
        62°
        6AM
        61°
        6:46AM
        Sunrise
        7AM
        60°
        8AM
        62°
        9AM
        65°
        10AM
        69°
        11AM
        73°
        12PM
        77°
        1PM
        81°
        2PM
        84°
        Precipitation
        7%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        21
        Good
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point46°F
        5. Humidity 16%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSUU Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 88°F 107°F 1984
        4. Low 66°F 57°F 40°F 1985
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 88°F 100°F
        4. Low 66°F 57°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 7:23 PM
        3. Civil Twilight 6:19 AM 7:50 PM
        4. Nautical Twilight 5:47 AM 8:21PM
        5. Astronomical Twilight 5:15 AM 8:53 PM
        1. Length of Visible Light 13h 31m
        2. Length of Day 12h 38m
        3. Tomorrow will be 2 minutes 26 seconds shorter
        1. Moon 6:14 AM 7:10 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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