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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 12:20 WST

    PAST 24 HOURS

    30.6 °C

    Feels like 26.1 °C
    Dew Point
    10.5 °C
    Gusts
    26km/h
    Relative Humidity
    29%
    Pressure
    1017.1hPa
    Wind
    N 24km/h
    Rainfall
    0.0mm

    Onslow Airport

    Barrow Island

    Mardie

    Varanus Is

    Onslow Thursday Forecast

    Sunny
    Sunny
    20 °C
    34 °C
    5%
    < 1mm
    Onslow for Thursday
    Sunny. Winds SE 15 to 25 km/h tending E/SE 25 to 40 km/h in the morning. Daytime maximum temperatures 27 to 34.
    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: Sunny. Winds SE 15 to 25 km/h tending E/SE 25 to 40 km/h in the morning. Daytime maximum temperatures 27 to 34.

    Forecast for Onslow (21.6363°S, 115.1124°E, 3m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Sunny Sunny Sunny Sunny Sunny Sunny Sunny
    Minimum 20° 20° 18° 18° 17° 17° 17°
    Maximum 34° 33° 32° 32° 32° 32° 30°
    Chance of rain 5% 5% 5% 5% 5% 5% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index High High High High High High High
    Fire Danger Rating High Moderate 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 13
    (km/h)     		26
    (km/h)     		22
    (km/h)     		22
    (km/h)     		24
    (km/h)     		24
    (km/h)     		25
    (km/h)     		28
    (km/h)     		23
    (km/h)     		19
    (km/h)     		28
    (km/h)     		22
    (km/h)     		29
    (km/h)     		24
    (km/h)
    Wind direction E NE E NNE E NE E NE ESE NE ESE ESE ESE ENE
    Relative humidity 36% 33% 36% 26% 38% 22% 38% 24% 40% 22% 36% 14% 31% 11%
    Dew point 11°C 13°C 10°C 10°C 10°C 7°C 10°C 8°C 10°C 7°C 8°C 1°C 5°C -4°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 Full moon
    6:20am WST 6:43am WST 5:49pm WST 6:12pm WST 7:38pm WST 8:52am WST Waning gibbous Last quarter May 20 New moon May 27 First quarter Jun 03 Full moon Jun 11

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  9. Tides graph

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  11. Onslow Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    May 11     		20.6 °C 34.7 °C
    0.0 mm
    Monday
    May 12     		20.2 °C 33.3 °C
    0.0 mm
    Tuesday
    May 13     		18.0 °C 33.7 °C
    0.0 mm
    Wednesday
    May 14     		18.0 °C 34.2 °C
    0.0 mm
    Thursday
    May 15     		19.9 °C 32.0 °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 36.6° 05/05/2025 Coldest this month 18.0° 13/05/2025
    Hottest on record 38.8 01/05/2013 Coldest on record 7.5 22/05/1944
    Hottest this year 45.7° 03/03/2025 Coldest this year 18.0° 13/05/2025
    Long term average 29.4° Long term average 17.4°
    Average this month 34.3° Average this month 20.3°
    Hottest May On Record Avg. max. temp. 32.0° 2012 Coldest May on record Avg. min. temp. 14.8° 2000
    Onslow rainfall history (21.6363°S, 115.1124°E, 3m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/05/2025 Total This Month 0.0mm
    0.0 days
    Long Term Average 50.9mm 4.5 days Wettest May on record 236.7mm 1942
    Driest on record 0.0mm 2023

  13. Onslow Year To Date

    Average Rainfall To May 224.1mm 18.4 day(s)
    Total For 2025 224.0mm 21.0 day(s)
    Total To This Day 2024 34.2mm 9.0 day(s)
    Wettest Day 78.0mm Jan20
    Lowest Temperature 18.0°C May13
    Highest Temperature 45.7°C Mar 3

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  2. Warnings

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