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      Elev 1348 ft, 34.203 °N 118.162 °W

      Altadena, CA

      Canyon Crest Station87°
      Updated: 12:54 PM PDT on September 12, 2026 (GMT -7)
      4 minutes ago
      87°
      67°
      87
      Feels Like 92
      Sunny
      N
      7
      Lower 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
        Sun 09/13
        High 87°f
         1% Precip. / 0 in
        Sunny. High 87F. Winds SSW at 5 to 10 mph.
        Tonight
        Sun 09/13
        Low 65°f
         12% Precip. / 0 in
        Generally clear. Low near 65F. Winds light and variable.
        Tomorrow
        Mon 09/14
        High 87°f63°f
         3% Precip. / 0 in
        Partly cloudy skies. High 87F. Winds S at 5 to 10 mph.
        Hourly Forecast
        Now
        85°
        1PM
        85°
        2PM
        87°
        3PM
        87°
        4PM
        87°
        5PM
        86°
        6PM
        83°
        7PM
        80°
        7:03PM
        Sunset
        8PM
        77°
        9PM
        75°
        10PM
        73°
        11PM
        72°
        12AM
        71°
        1AM
        70°
        2AM
        69°
        3AM
        68°
        4AM
        68°
        5AM
        67°
        6AM
        66°
        6:34AM
        Sunrise
        7AM
        66°
        8AM
        70°
        9AM
        73°
        10AM
        76°
        11AM
        78°
        12PM
        81°
        Precipitation
        13%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        64
        Moderate
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point66°F
        5. Humidity 54%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KEMT Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 91°F 109°F 1971
        4. Low 67°F 62°F 44°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 91°F 109°F
        4. Low 67°F 62°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:33 AM 7:03 PM
        3. Civil Twilight 6:08 AM 7:28 PM
        4. Nautical Twilight 5:39 AM 7:57PM
        5. Astronomical Twilight 5:08 AM 8:27 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 29m
        3. Tomorrow will be 2 minutes 6 seconds shorter
        1. Moon 8:10 AM 7:47 PM
        2. Waxing Crescent2% 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
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