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      Small Craft Advisory
      until 6:00 AM HST
      Elev 440 ft, 19.609 °N 155.042 °W

      Keaau, HI

      Keaau Station74°
      Updated: 4:25 AM HST on September 2, 2026 (GMT -10)
      10 minutes ago
      81°
      72°
      74
      Feels Like 76
      Cloudy
      N
      4
      Similar 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
        Thu 09/03
        High 81°f
         62% Precip. / 0.17 in
        Cloudy with occasional rain showers. High 81F. Winds N at 10 to 15 mph. Chance of rain 60%.
        Tonight
        Thu 09/03
        Low 70°f
         52% Precip. / 0.14 in
        Overcast with rain showers at times. Low around 70F. Winds WNW at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Fri 09/04
        High 81°f70°f
         48% Precip. / 0.06 in
        Showers in the morning, then cloudy in the afternoon. High 81F. Winds NNE at 10 to 15 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        74°
        5AM
        74°
        6AM
        74°
        6:05AM
        Sunrise
        7AM
        74°
        8AM
        75°
        9AM
        37%
        76°
        10AM
        78°
        11AM
        30%
        79°
        12PM
        39%
        79°
        1PM
        52%
        81°
        2PM
        62%
        80°
        3PM
        48%
        80°
        4PM
        47%
        79°
        5PM
        45%
        78°
        6PM
        47%
        77°
        6:33PM
        Sunset
        7PM
        46%
        76°
        8PM
        40%
        76°
        9PM
        48%
        75°
        10PM
        46%
        75°
        11PM
        50%
        74°
        12AM
        51%
        74°
        1AM
        47%
        73°
        2AM
        48%
        73°
        3AM
        53%
        72°
        4AM
        44%
        72°
        Precipitation
        62%
        Rain possible after 9 AM
        Pollen
        None
        Air Quality
        8
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point72°F
        5. Humidity 94%
        6. Rainfall 0.06 in
        7. Snow Depth 0 in
         PHTO Station History
        Almanac for September 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 84°F 86°F 1967
        4. Low 72°F 66°F 64°F 1968
        5. Rain/Snow Depth
        6. Precipitation 0.31 in 0.3 in -
        7. Snow 0 in - in -
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 84°F 86°F
        4. Low 72°F 66°F 64°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:05 AM 6:34 PM
        3. Civil Twilight 5:42 AM 6:56 PM
        4. Nautical Twilight 5:16 AM 7:22PM
        5. Astronomical Twilight 4:50 AM 7:48 PM
        1. Length of Visible Light 13h 13m
        2. Length of Day 12h 28m
        3. Tomorrow will be 1 minute 3 seconds shorter
        1. Moon 10:31 PM 11:16 AM
        2. Waning Gibbous61% of the Moon is Illuminated
        Sep 3
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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