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      Extreme Heat Warning
      until 8:00 PM PDT
      Elev 373 ft, 34.113 °N 117.579 °W

      Rancho Cucamonga, CA

      Rancho Cucamonga Station99°
      Updated: 12:59 PM PDT on October 8, 2026 (GMT -7)
      5 minutes ago
      96°
      70°
      99
      Feels Like 98
      Sunny
      N
      11
      Gusts 18 mph
      Lower temperature is expected today
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 10/09
        High 96°f
         0% Precip. / 0 in
        Sunny. Hot. High 96F. Winds WSW at 10 to 15 mph.
        Tonight
        Fri 10/09
        Low 68°f
         0% Precip. / 0 in
        A clear sky. Low 68F. Winds WNW at 5 to 10 mph.
        Tomorrow
        Sat 10/10
        High 91°f69°f
         0% Precip. / 0 in
        Sunny skies. Hot. High 91F. Winds WSW at 10 to 15 mph.
        Hourly Forecast
        Now
        93°
        1PM
        93°
        2PM
        95°
        3PM
        95°
        4PM
        95°
        5PM
        93°
        6PM
        90°
        6:25PM
        Sunset
        7PM
        86°
        8PM
        82°
        9PM
        80°
        10PM
        78°
        11PM
        77°
        12AM
        76°
        1AM
        75°
        2AM
        74°
        3AM
        73°
        4AM
        72°
        5AM
        71°
        6AM
        70°
        6:51AM
        Sunrise
        7AM
        69°
        8AM
        74°
        9AM
        77°
        10AM
        79°
        11AM
        82°
        12PM
        86°
        Precipitation
        0%
        Pollen
        None
        Air Quality
        48
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 29.79 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point49°F
        5. Humidity 22%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KONT Station History
        Almanac for October 8, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 96°F 85°F 100°F 1953
        4. Low 70°F 58°F 50°F 1962
        5. Rain/Snow Depth
        6. Precipitation 0 in 0 in -
        7. Snow 0 in - in -
        Almanac for October 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 85°F 104°F
        4. Low 68°F 57°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:50 AM 6:24 PM
        3. Civil Twilight 6:25 AM 6:49 PM
        4. Nautical Twilight 5:56 AM 7:18PM
        5. Astronomical Twilight 5:27 AM 7:47 PM
        1. Length of Visible Light 12h 24m
        2. Length of Day 11h 34m
        3. Tomorrow will be 2 minutes 5 seconds shorter
        1. Moon 4:50 AM 5:18 PM
        2. Waning Crescent5% of the Moon is Illuminated
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
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