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Derby (17.3048°S, 123.6325°E, 10m AMSL) set as my default location ›

  2. Derby Local Weather

    17.3°S, 123.63°E
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    Now in Derby

    Updated at 11:40 WST

    PAST 24 HOURS

    38.3 °C

    Feels like 39.5 °C
    Dew Point
    21.5 °C
    Gusts
    19km/h
    Relative Humidity
    38%
    Pressure
    1006.6hPa
    Wind
    NW 17km/h
    Rainfall
    0.0mm

    Derby

    Curtin

    Yampi Sound (Defence)

    Lombadina

    Derby Saturday Forecast

    Sunny
    Sunny
    26 °C
    40 °C
    5%
    < 1mm
    Derby for Saturday
    Mostly sunny. Slight chance of a shower in the far N, most likely in the afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and early evening. Winds NW/SW 15 to 25 km/h tending NW/NE 15 to 20 km/h in the evening then becoming NW 15 to 25 km/h in the late evening. Daytime maximum temperatures 37 to 44.
    Fire Danger
    Moderate
    DAM LEVELS

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  4. Derby 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Mostly sunny. Slight chance of a shower in the far N, most likely in the afternoon. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and early evening. Winds NW/SW 15 to 25 km/h tending NW/NE 15 to 20 km/h in the evening then becoming NW 15 to 25 km/h in the late evening. Daytime maximum temperatures 37 to 44.

    Forecast for Derby (17.3048°S, 123.6325°E, 10m AMSL)
      Sat Sun Mon Tue Wed Thu Fri
    Summary Sunny Mostly sunny Mostly sunny Windy Mostly sunny Possible shower Possible shower
    Minimum 26° 26° 27° 27° 27° 26° 26°
    Maximum 40° 39° 39° 38° 38° 38° 38°
    Chance of rain 5% 5% 5% 40% 30% 60% 60%
    Likely amount < 1mm < 1mm < 1mm < 1mm 5-10mm 1-5mm 1-5mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating Moderate Moderate Moderate Moderate - - -
    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 11
    (km/h)     		30
    (km/h)     		15
    (km/h)     		32
    (km/h)     		16
    (km/h)     		33
    (km/h)     		18
    (km/h)     		36
    (km/h)     		16
    (km/h)     		30
    (km/h)     		10
    (km/h)     		24
    (km/h)     		12
    (km/h)     		28
    (km/h)
    Wind direction WNW NNW W NNW WNW NNW NNW N N NNW WNW WNW W NNW
    Relative humidity 56% 47% 58% 48% 54% 51% 58% 54% 61% 56% 63% 51% 63% 56%
    Dew point 24°C 24°C 24°C 24°C 23°C 25°C 24°C 25°C 25°C 25°C 24°C 24°C 24°C 24°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Derby (17.3048°S, 123.6325°E, 10m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter
    4:39am WST 5:03am WST 6:10pm WST 6:34pm WST 7:49pm WST 5:54am 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. Derby Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Tuesday
    Dec 02     		24.4 °C 38.6 °C
    5.0 mm
    Wednesday
    Dec 03     		26.6 °C 39.4 °C
    0.0 mm
    Thursday
    Dec 04     		25.3 °C 40.1 °C
    0.0 mm
    Friday
    Dec 05     		24.5 °C 41.4 °C
    0.0 mm
    Saturday
    Dec 06     		26.7 °C 38.5 °C
    0.0 mm
    Legend

  12. Almanac

    Derby minimum temp history (17.3048°S, 123.6325°E, 10m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 40.1° 04/12/2025 Coldest this month 23.3° 01/12/2025
    Hottest on record 44.9 01/12/2011 Coldest on record 18.5 12/12/1978
    Hottest this year 42.1° 18/10/2025 Coldest this year 7.5° 02/07/2025
    Long term average 37.4° Long term average 26.3°
    Average this month 39.3° Average this month 24.8°
    Hottest December On Record Avg. max. temp. 39.3° 1972 Coldest December on record Avg. min. temp. 25.4° 1974
    Derby rainfall history (17.3048°S, 123.6325°E, 10m AMSL)
    RAINFALL
    Wettest This Month 5.8mm 01/12/2025 Total This Month 10.8mm
    2.0 days
    Long Term Average 84.1mm 7.7 days Wettest December on record 350.6mm 2016
    Driest on record 0.0mm 1956

  13. Derby Year To Date

    Average Rainfall To Dec 716.3mm 53.6 day(s)
    Total For 2025 891.4mm 69.0 day(s)
    Total To This Day 2024 407.0mm 51.0 day(s)
    Wettest Day 153.2mm Mar29
    Lowest Temperature 7.5°C Jul 2
    Highest Temperature 42.1°C Oct18

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  2. Warnings

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