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Local Weather

Onslow (21.6363°S, 115.1124°E, 3m AMSL) set as my default location ›

  2. Onslow Local Weather

    21.64°S, 115.11°E
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    Now in Onslow

    Updated at 07:20 WST

    PAST 24 HOURS

    27.2 °C

    Feels like 24.2 °C
    Dew Point
    16.2 °C
    Gusts
    30km/h
    Relative Humidity
    51%
    Pressure
    1009.4hPa
    Wind
    SW 26km/h
    Rainfall
    0.0mm

    Onslow Airport

    Thevenard Island

    Barrow Island

    Mardie

    Onslow Sunday Forecast

    Windy
    Windy
    24 °C
    40 °C
    5%
    < 1mm
    Onslow for Sunday
    Partly cloudy. Winds NE/SE 20 to 30 km/h tending NW/NE in the late afternoon then tending NW/SW in the evening. Daytime maximum temperatures 41 to 46.
    Fire Danger
    High
    DAM LEVELS

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  4. Onslow 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Partly cloudy. Winds NE/SE 20 to 30 km/h tending NW/NE in the late afternoon then tending NW/SW in the evening. Daytime maximum temperatures 41 to 46.

    Forecast for Onslow (21.6363°S, 115.1124°E, 3m AMSL)
      Sun Mon Tue Wed Thu Fri Sat
    Summary Windy Windy Mostly sunny Windy Mostly sunny Mostly sunny Mostly sunny
    Minimum 24° 25° 24° 24° 25° 24° 24°
    Maximum 40° 40° 39° 39° 38° 37° 35°
    Chance of rain 5% 20% 5% 5% 10% 5% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating High High High High - - -
    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 27
    (km/h)     		39
    (km/h)     		24
    (km/h)     		39
    (km/h)     		27
    (km/h)     		35
    (km/h)     		26
    (km/h)     		36
    (km/h)     		23
    (km/h)     		34
    (km/h)     		21
    (km/h)     		33
    (km/h)     		14
    (km/h)     		33
    (km/h)
    Wind direction SW W SW W SW W SW W SW W SSW WNW WSW NW
    Relative humidity 38% 38% 37% 37% 36% 34% 42% 37% 44% 42% 51% 49% 50% 55%
    Dew point 17°C 21°C 17°C 20°C 15°C 19°C 17°C 20°C 19°C 21°C 20°C 23°C 20°C 22°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Onslow (21.6363°S, 115.1124°E, 3m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter
    5:04am WST 5:29am WST 6:53pm WST 7:18pm WST 9:35pm WST 7:28am WST Waning gibbous Last quarter Dec 12 New moon Dec 20 First quarter Dec 28

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  9. Tides graph

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  11. Onslow Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Tuesday
    Dec 02     		25.1 °C 36.3 °C
    0.0 mm
    Wednesday
    Dec 03     		25.5 °C 39.4 °C
    0.0 mm
    Thursday
    Dec 04     		25.9 °C 38.3 °C
    0.0 mm
    Friday
    Dec 05     		22.6 °C 34.9 °C
    0.0 mm
    Saturday
    Dec 06     		22.9 °C 38.2 °C
    0.0 mm
    Legend

  12. Almanac

    Onslow minimum temp history (21.6363°S, 115.1124°E, 3m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 39.4° 03/12/2025 Coldest this month 21.7° 01/12/2025
    Hottest on record 49.2 22/12/2011 Coldest on record 16.4 03/12/1952
    Hottest this year 45.7° 03/03/2025 Coldest this year 9.1° 26/07/2025
    Long term average 36.0° Long term average 22.6°
    Average this month 37.1° Average this month 24.0°
    Hottest December On Record Avg. max. temp. 38.6° 1947 Coldest December on record Avg. min. temp. 20.0° 1952
    Onslow rainfall history (21.6363°S, 115.1124°E, 3m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/12/2025 Total This Month 0.0mm
    0.0 days
    Long Term Average 3.2mm 0.9 days Wettest December on record 54.0mm 1998
    Driest on record 0.0mm 2023

  13. Onslow Year To Date

    Average Rainfall To Dec 302.5mm 33.8 day(s)
    Total For 2025 280.2mm 48.0 day(s)
    Total To This Day 2024 103.2mm 35.0 day(s)
    Wettest Day 78.0mm Jan20
    Lowest Temperature 9.1°C Jul26
    Highest Temperature 45.7°C Mar 3

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  2. Warnings

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