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Local Weather

O'Sullivan Beach (35.1188°S, 138.4753°E, 50m AMSL) set as my default location ›

  2. O'Sullivan Beach Local Weather

    35.12°S, 138.48°E
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    Now in O'Sullivan Beach

    Updated at 05:10 CST

    PAST 24 HOURS

    19.0 °C

    Feels like 13.5 °C
    Dew Point
    4.7 °C
    Gusts
    30km/h
    Relative Humidity
    39%
    Pressure
     
    Wind
    N 22km/h
    Rainfall
    0.0mm

    Noarlunga

    Adelaide Airport

    Adelaide (West Terrace / ngayirdapira)

    Kuitpo

    O'Sullivan Beach Monday Forecast

    Late shower
    Late shower
    14 °C
    21 °C
    80%
    5-10mm
    O'Sullivan Beach for Monday
    Cloudy. Very high chance of showers, most likely in the late afternoon and evening. Winds N/NE 20 to 30 km/h.
    Fire Danger
    -
    DAM LEVELS

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  4. O'Sullivan Beach 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Cloudy. Very high chance of showers, most likely in the late afternoon and evening. Winds N/NE 20 to 30 km/h.

    Forecast for O'Sullivan Beach (35.1188°S, 138.4753°E, 50m AMSL)
      Mon Tue Wed Thu Fri Sat Sun
    Summary Late shower Showers Windy with showers Possible thunderstorm Possible shower Possible shower Showers
    Minimum 14° 13° 10° 9° 9° 8° 9°
    Maximum 21° 17° 14° 14° 13° 14° 14°
    Chance of rain 80% 90% 90% 90% 90% 90% 90%
    Likely amount 5-10mm 5-10mm 5-10mm 10-20mm 5-10mm 1-5mm 1-5mm
    UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate
    Fire Danger Rating - - - - - - -
    Frost risk Nil Nil Nil Nil Nil Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 18
    (km/h)     		23
    (km/h)     		14
    (km/h)     		22
    (km/h)     		25
    (km/h)     		32
    (km/h)     		24
    (km/h)     		28
    (km/h)     		34
    (km/h)     		41
    (km/h)     		20
    (km/h)     		18
    (km/h)     		12
    (km/h)     		15
    (km/h)
    Wind direction NE NNE N NNW W W WNW WNW W W SW SW NW WNW
    Relative humidity 52% 55% 95% 75% 87% 75% 89% 83% 83% 74% 69% 65% 88% 80%
    Dew point 7°C 12°C 14°C 12°C 10°C 10°C 9°C 11°C 8°C 8°C 6°C 8°C 10°C 11°C

  7. Sunrise and sunset times

    Sunrise / Sunset for O'Sullivan Beach (35.1188°S, 138.4753°E, 50m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase First quarter Full moon Last quarter New moon
    6:20am CST 6:46am CST 5:51pm CST 6:17pm CST 7:40am CST 7:51pm CST Waxing crescent First quarter Aug 31 Full moon Sep 08 Last quarter Sep 14 New moon Sep 22

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  9. Tides graph

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  11. O'Sullivan Beach Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Wednesday
    Aug 20     		8.2 °C 19.1 °C
    0.0 mm
    Thursday
    Aug 21     		12.1 °C 19.6 °C
    0.0 mm
    Friday
    Aug 22     		14.6 °C 18.4 °C
    0.0 mm
    Saturday
    Aug 23     		9.1 °C 15.5 °C
    0.0 mm
    Sunday
    Aug 24     		8.6 °C 20.3 °C
    0.0 mm
    Legend

  12. Almanac

    O'Sullivan Beach minimum temp history (35.1188°S, 138.4753°E, 50m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 20.7° 11/08/2025 Coldest this month 4.8° 03/08/2025
    Hottest on record 27.3 30/08/2007 Coldest on record 3.0 19/08/2003
    Hottest this year 42.0° 12/02/2025 Coldest this year 4.1° 20/05/2025
    Long term average 16.0° Long term average 9.0°
    Average this month 16.2° Average this month 8.9°
    Hottest August On Record Avg. max. temp. 17.2° 2007 Coldest August on record Avg. min. temp. 7.3° 2008
    O'Sullivan Beach rainfall history (35.1188°S, 138.4753°E, 50m AMSL)
    RAINFALL
    Wettest This Month 4.2mm 06/08/2025 Total This Month 17.0mm
    7.0 days
    Long Term Average 54.0mm 16.2 days Wettest August on record 80.4mm 2001
    Driest on record 4.6mm 2014

  13. O'Sullivan Beach Year To Date

    Average Rainfall To Aug 336.8mm 84.0 day(s)
    Total For 2025 196.0mm 53.0 day(s)
    Total To This Day 2024 240.8mm 60.0 day(s)
    Wettest Day 25.8mm Jul26
    Lowest Temperature 4.1°C May20
    Highest Temperature 42.0°C Feb12

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  2. Warnings

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