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      Heat Advisory
      until 8:00 PM PDT
      Elev 2000 ft, 34.141 °N 117.580 °W

      Rancho Cucamonga, CA

      Sapphire and Hillside Station
      Updated: 10:50 AM PDT on August 22, 2026 (GMT -7)
      just now
      100°
      72°
      92
      Feels Like 93
      Sunny
      N
      3
      Same temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Sun 08/23
      High 100°f
      0% Precip. / 0 in
      Abundant sunshine. High around 100F. Winds WSW at 10 to 15 mph.
      Tonight
      Sun 08/23
      Low 74°f
      0% Precip. / 0 in
      Clear skies. Low 74F. Winds WNW at 10 to 15 mph.
      Tomorrow
      Mon 08/24
      High 102°f74°f
      0% Precip. / 0 in
      Mostly sunny skies. Hot. High 102F. Winds SW at 10 to 15 mph.
      Hourly Forecast
      Now
      91°
      11AM
      91°
      12PM
      94°
      1PM
      96°
      2PM
      98°
      3PM
      99°
      4PM
      99°
      5PM
      98°
      6PM
      96°
      7PM
      92°
      7:28PM
      Sunset
      8PM
      88°
      9PM
      85°
      10PM
      82°
      11PM
      80°
      12AM
      78°
      1AM
      77°
      2AM
      76°
      3AM
      76°
      4AM
      75°
      5AM
      75°
      6AM
      75°
      6:17AM
      Sunrise
      7AM
      76°
      8AM
      81°
      9AM
      85°
      10AM
      88°
      Precipitation
      0%
      Pollen
      Ragweed Pollen
      High
      Air Quality
      53
      Moderate
      UV Index
      7
      High
      Additional Conditions
      1. Pressure 29.95 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point55°F
      5. Humidity 30%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KONT Station History
      Almanac for August 22, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 100°F 95°F 109°F 1969
      4. Low 72°F 63°F 49°F 1978
      5. Rain/Snow Depth
      6. Precipitation 0 in 0.01 in -
      7. Snow 0 in - in -
      Almanac for August 23, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 102°F 94°F 109°F
      4. Low 72°F 63°F 51°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:16 AM 7:28 PM
      3. Civil Twilight 5:50 AM 7:54 PM
      4. Nautical Twilight 5:19 AM 8:25PM
      5. Astronomical Twilight 4:47 AM 8:57 PM
      1. Length of Visible Light 14h 4m
      2. Length of Day 13h 11m
      3. Tomorrow will be 1 minute 58 seconds shorter
      1. Moon 4:15 PM 12:53 AM
      2. Waxing Gibbous75% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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