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      Elev 1027 ft, 34.066 °N 117.501 °W

      Fontana, CA

      Fontana Station94°
      Updated: 3:46 PM PDT on September 5, 2026 (GMT -7)
      9 minutes ago
      95°
      62°
      94
      Feels Like 90
      Partly Cloudy
      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
        Sun 09/06
        Low 72°f
         24% Precip. / 0 in
        Partly cloudy skies early will give way to cloudy skies late. Low 72F. Winds WSW at 10 to 15 mph.
        Tomorrow
        Mon 09/07
        High 81°f
         85% Precip. / 0.24 in
        Rain early...then remaining cloudy with showers in the afternoon. High 81F. Winds light and variable. Chance of rain 90%. Rainfall around a quarter of an inch. Locally heavy rainfall possible.
        Tomorrow night
        Mon 09/07
        Low 72°f
         24% Precip. / 0 in
        Cloudy skies early will become partly cloudy later at night. Low 72F. Winds light and variable.
        Hourly Forecast
        Now
        95°
        4PM
        94°
        5PM
        93°
        6PM
        90°
        7PM
        86°
        7:10PM
        Sunset
        8PM
        83°
        9PM
        81°
        10PM
        79°
        11PM
        77°
        12AM
        76°
        1AM
        76°
        2AM
        76°
        3AM
        76°
        4AM
        76°
        5AM
        75°
        6AM
        75°
        6:27AM
        Sunrise
        7AM
        74°
        8AM
        59%
        73°
        9AM
        86%
        72°
        10AM
        74%
        72°
        11AM
        61%
        72°
        12PM
        64%
        73°
        1PM
        36%
        76°
        2PM
        43%
        78°
        3PM
        49%
        80°
        Precipitation
        86%
        Pollen
        None
        Air Quality
        29
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.85 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point40°F
        5. Humidity 15%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KONT Station History
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 93°F 114°F 1955
        4. Low 62°F 63°F 51°F 1951
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.01 in -
        7. Snow 0 in - in -
        Almanac for September 6, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 93°F 117°F
        4. Low 62°F 63°F 50°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:26 AM 7:10 PM
        3. Civil Twilight 6:01 AM 7:35 PM
        4. Nautical Twilight 5:31 AM 8:05PM
        5. Astronomical Twilight 5:00 AM 8:35 PM
        1. Length of Visible Light 13h 34m
        2. Length of Day 12h 43m
        3. Tomorrow will be 2 minutes 4 seconds shorter
        1. Moon 12:08 AM 3:33 PM
        2. Waning Crescent39% 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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