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      Elev 335 ft, 34.032 °N 117.314 °W

      Grand Terrace, CA

      Grand Terrace Station93°
      Updated: 5:35 PM PDT on September 26, 2026 (GMT -7)
      5 minutes ago
      98°
      64°
      93
      Feels Like 91
      Sunny
      N
      13
      Gusts 20 mph
      Lower 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
        Sun 09/27
        Low 70°f
         0% Precip. / 0 in
        Partly cloudy this evening, then becoming cloudy after midnight. Low around 70F. WSW winds at 10 to 15 mph, decreasing to less than 5 mph.
        Tomorrow
        Mon 09/28
        High 87°f
         0% Precip. / 0 in
        Cloudy skies early, followed by partial clearing. High 87F. Winds SW at 10 to 15 mph.
        Tomorrow night
        Mon 09/28
        Low 63°f
         3% Precip. / 0 in
        A few clouds. Low 63F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        92°
        6PM
        91°
        6:40PM
        Sunset
        7PM
        87°
        8PM
        83°
        9PM
        80°
        10PM
        78°
        11PM
        78°
        12AM
        76°
        1AM
        75°
        2AM
        74°
        3AM
        74°
        4AM
        73°
        5AM
        72°
        6AM
        72°
        6:41AM
        Sunrise
        7AM
        71°
        8AM
        74°
        9AM
        77°
        10AM
        81°
        11AM
        83°
        12PM
        84°
        1PM
        85°
        2PM
        85°
        3PM
        85°
        4PM
        85°
        5PM
        84°
        Precipitation
        0%
        Pollen
        None
        Air Quality
        43
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.8 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point41°F
        5. Humidity 17%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KRIR Station History
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 89°F 106°F 1993
        4. Low 64°F 59°F 48°F 1970
        5. Rain/Snow Depth
        6. Precipitation 0 in 2.9 in -
        7. Snow 0 in 0 in -
        Almanac for September 28, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 88°F 106°F
        4. Low 64°F 59°F 47°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:40 AM 6:38 PM
        3. Civil Twilight 6:16 AM 7:03 PM
        4. Nautical Twilight 5:46 AM 7:32PM
        5. Astronomical Twilight 5:17 AM 8:01 PM
        1. Length of Visible Light 12h 47m
        2. Length of Day 11h 57m
        3. Tomorrow will be 2 minutes 6 seconds shorter
        1. Moon 7:05 PM 7:43 AM
        2. Waning Gibbous97% 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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