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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 18:30 WST

    PAST 24 HOURS

    35.2 °C

    Feels like 28.4 °C
    Dew Point
    7.3 °C
    Gusts
    39km/h
    Relative Humidity
    18%
    Pressure
    1002.8hPa
    Wind
    SW 32km/h
    Rainfall
    0.0mm

    Onslow Airport

    Barrow Island

    Mardie

    Varanus Is

    Onslow Wednesday Forecast

    Sunny
    Sunny
    24 °C
    39 °C
    5%
    < 1mm
    Onslow for Wednesday
    Mostly sunny day. The chance of a thunderstorm in the SE in the late afternoon and evening. Winds SE/SW 20 to 30 km/h tending NE/SE in the morning then tending NW/SW 25 to 35 km/h in the middle of the day. Overnight temperatures falling to the low to high 20s with daytime temperatures reaching the low to mid 40s.
    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 day. The chance of a thunderstorm in the SE in the late afternoon and evening. Winds SE/SW 20 to 30 km/h tending NE/SE in the morning then tending NW/SW 25 to 35 km/h in the middle of the day. Overnight temperatures falling to the low to high 20s with daytime temperatures reaching the low to mid 40s.

    Forecast for Onslow (21.6363°S, 115.1124°E, 3m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Sunny Mostly sunny Windy Windy Mostly sunny Mostly sunny Sunny
    Minimum 24° 24° 23° 23° 23° 23° 23°
    Maximum 39° 38° 37° 37° 33° 32° 35°
    Chance of rain 5% 5% 5% 5% 5% 20% 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 25
    (km/h)     		35
    (km/h)     		20
    (km/h)     		36
    (km/h)     		23
    (km/h)     		39
    (km/h)     		20
    (km/h)     		36
    (km/h)     		18
    (km/h)     		32
    (km/h)     		14
    (km/h)     		31
    (km/h)     		12
    (km/h)     		32
    (km/h)
    Wind direction S WNW SSW WNW SSW W WSW WNW WNW NW N NNW NNW NW
    Relative humidity 20% 36% 31% 44% 35% 41% 36% 48% 51% 61% 62% 62% 61% 62%
    Dew point 8°C 18°C 14°C 21°C 14°C 19°C 15°C 22°C 19°C 22°C 21°C 22°C 22°C 24°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 First quarter Full moon Last quarter New moon
    5:04am WST 5:28am WST 6:46pm WST 7:10pm WST 10:10am WST 11:40pm WST Waxing crescent First quarter Nov 28 Full moon Dec 05 Last quarter Dec 12 New moon Dec 20

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  9. Tides graph

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  11. Onslow Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Friday
    Nov 21     		20.4 °C 30.5 °C
    0.0 mm
    Saturday
    Nov 22     		20.9 °C 35.0 °C
    0.0 mm
    Sunday
    Nov 23     		20.6 °C 35.1 °C
    0.0 mm
    Monday
    Nov 24     		21.5 °C 37.6 °C
    0.0 mm
    Tuesday
    Nov 25     		21.5 °C 41.0 °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 39.2° 25/11/2025 Coldest this month 18.5° 05/11/2025
    Hottest on record 44.8 27/11/2007 Coldest on record 13.1 09/11/1962
    Hottest this year 45.7° 03/03/2025 Coldest this year 9.1° 26/07/2025
    Long term average 34.4° Long term average 20.2°
    Average this month 32.5° Average this month 20.9°
    Hottest November On Record Avg. max. temp. 38.3° 1957 Coldest November on record Avg. min. temp. 18.2° 1971
    Onslow rainfall history (21.6363°S, 115.1124°E, 3m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/11/2025 Total This Month 0.0mm
    0.0 days
    Long Term Average 2.6mm 0.5 days Wettest November on record 60.2mm 1949
    Driest on record 0.0mm 2024

  13. Onslow Year To Date

    Average Rainfall To Nov 299.3mm 32.9 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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