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      Extreme Heat Warning
      until 8:00 PM PDT
      +1 more alert
      Elev 1089 ft, 34.079 °N 117.644 °W

      Ontario, CA

      Castle Station92°
      Updated: 6:28 PM PDT on October 2, 2026 (GMT -7)
      9 minutes ago
      101°
      72°
      92
      Feels Like 91
      Sunny
      N
      12
      Gusts 20 mph
      Same 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
        Sat 10/03
        Low 76°f
         0% Precip. / 0 in
        Mainly clear skies. Low 76F. Winds N at 5 to 10 mph.
        Tomorrow
        Sun 10/04
        High 101°f
         0% Precip. / 0 in
        Sunny skies. Hot. High 101F. ESE winds shifting to SSW at 10 to 15 mph.
        Tomorrow night
        Sun 10/04
        Low 77°f
         0% Precip. / 0 in
        Clear. Low 77F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        94°
        6:33PM
        Sunset
        7PM
        91°
        8PM
        88°
        9PM
        85°
        10PM
        84°
        11PM
        82°
        12AM
        81°
        1AM
        80°
        2AM
        79°
        3AM
        78°
        4AM
        78°
        5AM
        78°
        6AM
        77°
        6:46AM
        Sunrise
        7AM
        78°
        8AM
        81°
        9AM
        84°
        10AM
        87°
        11AM
        91°
        12PM
        93°
        1PM
        96°
        2PM
        97°
        3PM
        99°
        4PM
        99°
        5PM
        98°
        6PM
        95°
        Precipitation
        0%
        Pollen
        None
        Air Quality
        74
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.78 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point51°F
        5. Humidity 23%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KONT Station History
        Almanac for October 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 101°F 87°F 103°F 1980
        4. Low 72°F 59°F 46°F 1954
        5. Rain/Snow Depth
        6. Precipitation 0 in 0 in -
        7. Snow 0 in - in -
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 101°F 87°F 102°F
        4. Low 76°F 59°F 46°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 6:33 PM
        3. Civil Twilight 6:20 AM 6:58 PM
        4. Nautical Twilight 5:51 AM 7:27PM
        5. Astronomical Twilight 5:22 AM 7:56 PM
        1. Length of Visible Light 12h 37m
        2. Length of Day 11h 47m
        3. Tomorrow will be 2 minutes 5 seconds shorter
        1. Moon 11:08 PM 1:28 PM
        2. Waning Gibbous53% 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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