My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
        More Settings
      Elev 1575 ft, 34.149 °N 117.473 °W

      Fontana, CA

      Updated: 12:30 PM PDT on September 17, 2026 (GMT -7)
      2 minutes ago
      82°
      60°
      80
      Feels Like 80
      Sunny
      N
      5
      Same 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 09/18
        High 82°f
        2% Precip. / 0 in
        Sunny. High 82F. Winds SW at 10 to 15 mph.
        Tonight
        Fri 09/18
        Low 57°f
        18% Precip. / 0 in
        Mainly clear skies. Low 57F. Winds WSW at 5 to 10 mph.
        Tomorrow
        Sat 09/19
        High 83°f57°f
        10% Precip. / 0 in
        Abundant sunshine. High 83F. Winds SSW at 10 to 15 mph.
        Hourly Forecast
        Now
        78°
        1PM
        79°
        2PM
        82°
        3PM
        83°
        4PM
        81°
        5PM
        80°
        6PM
        77°
        6:53PM
        Sunset
        7PM
        74°
        8PM
        69°
        9PM
        67°
        10PM
        65°
        11PM
        63°
        12AM
        62°
        1AM
        61°
        2AM
        60°
        3AM
        59°
        4AM
        59°
        5AM
        58°
        6AM
        58°
        6:35AM
        Sunrise
        7AM
        58°
        8AM
        62°
        9AM
        65°
        10AM
        68°
        11AM
        71°
        12PM
        74°
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point53°F
        5. Humidity 41%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KONT Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 91°F 106°F 1979
        4. Low 60°F 62°F 52°F 1982
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.01 in -
        7. Snow 0 in - in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 90°F 102°F
        4. Low 60°F 61°F 50°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 6:53 PM
        3. Civil Twilight 6:09 AM 7:18 PM
        4. Nautical Twilight 5:40 AM 7:47PM
        5. Astronomical Twilight 5:10 AM 8:17 PM
        1. Length of Visible Light 13h 8m
        2. Length of Day 12h 18m
        3. Tomorrow will be 2 minutes 6 seconds shorter
        1. Moon 1:12 PM 10:44 PM
        2. Waxing Crescent40% 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…
        Loading…
        Weather Alerts
        Loading…
        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.
        Glossary