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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 04:00 WST

    PAST 24 HOURS

    26.6 °C

    Feels like 25.4 °C
    Dew Point
    17.1 °C
    Gusts
    24km/h
    Relative Humidity
    56%
    Pressure
    1009.5hPa
    Wind
    SW 19km/h
    Rainfall
    0.0mm

    Onslow Airport

    Barrow Island

    Mardie

    Varanus Is

    Onslow Thursday Forecast

    Windy
    Windy
    25 °C
    37 °C
    5%
    < 1mm
    Onslow for Thursday
    Mostly sunny. Winds SE/SW 15 to 20 km/h tending NW/NE 15 to 25 km/h in the middle of the day then tending NW/SW 20 to 30 km/h in the late afternoon. Daytime maximum temperatures around 40.
    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: Mostly sunny. Winds SE/SW 15 to 20 km/h tending NW/NE 15 to 25 km/h in the middle of the day then tending NW/SW 20 to 30 km/h in the late afternoon. Daytime maximum temperatures around 40.

    Forecast for Onslow (21.6363°S, 115.1124°E, 3m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Windy Windy Windy Windy Windy Windy Mostly sunny
    Minimum 25° 24° 24° 25° 25° 23° 24°
    Maximum 37° 37° 39° 39° 39° 38° 37°
    Chance of rain 5% 5% 5% 5% 5% 5% 30%
    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 22
    (km/h)     		39
    (km/h)     		20
    (km/h)     		35
    (km/h)     		24
    (km/h)     		34
    (km/h)     		24
    (km/h)     		36
    (km/h)     		25
    (km/h)     		37
    (km/h)     		28
    (km/h)     		35
    (km/h)     		24
    (km/h)     		34
    (km/h)
    Wind direction WSW W SW W SSW W SSW W SW W SW W SSW W
    Relative humidity 46% 50% 42% 43% 34% 35% 35% 33% 40% 39% 43% 38% 44% 42%
    Dew point 19°C 22°C 17°C 21°C 15°C 19°C 16°C 19°C 17°C 21°C 17°C 20°C 17°C 20°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 Full moon Last quarter New moon First quarter
    5:04am WST 5:28am WST 6:51pm WST 7:16pm WST 6:18pm WST 4:16am WST Waxing gibbous Full moon Dec 05 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
    Saturday
    Nov 29     		21.9 °C 36.4 °C
    0.0 mm
    Sunday
    Nov 30     		21.1 °C 31.1 °C
    0.0 mm
    Monday
    Dec 01     		21.7 °C 35.6 °C
    0.0 mm
    Tuesday
    Dec 02     		25.1 °C 36.3 °C
    0.0 mm
    Wednesday
    Dec 03     		25.5 °C 39.4 °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 24.1°
    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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