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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 17:50 WST

    PAST 24 HOURS

    28.1 °C

    Feels like 24.1 °C
    Dew Point
    15.7 °C
    Gusts
    32km/h
    Relative Humidity
    46%
    Pressure
    1010.6hPa
    Wind
    NW 30km/h
    Rainfall
    0.0mm

    Derby

    Curtin

    Yampi Sound (Defence)

    Lombadina

    Derby Tuesday Forecast

    Sunny
    Sunny
    18 °C
    35 °C
    5%
    < 1mm
    Derby for Tuesday
    Sunny. The chance of morning fog in the NW. Winds NW/SW 15 to 20 km/h tending SE/SW in the morning then tending NW/SW in the middle of the day. Overnight temperatures falling to between 11 and 18 with daytime temperatures reaching the low to high 30s.
    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: Sunny. The chance of morning fog in the NW. Winds NW/SW 15 to 20 km/h tending SE/SW in the morning then tending NW/SW in the middle of the day. Overnight temperatures falling to between 11 and 18 with daytime temperatures reaching the low to high 30s.

    Forecast for Derby (17.3048°S, 123.6325°E, 10m AMSL)
      Tue Wed Thu Fri Sat Sun Mon
    Summary Sunny Sunny Sunny Mostly sunny Mostly sunny Mostly sunny Mostly sunny
    Minimum 18° 18° 19° 19° 21° 23° 23°
    Maximum 35° 36° 37° 38° 39° 39° 38°
    Chance of rain 5% 10% 5% 5% 5% 30% 10%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    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 10
    (km/h)     		20
    (km/h)     		8
    (km/h)     		23
    (km/h)     		9
    (km/h)     		21
    (km/h)     		11
    (km/h)     		16
    (km/h)     		10
    (km/h)     		20
    (km/h)     		16
    (km/h)     		21
    (km/h)     		20
    (km/h)     		21
    (km/h)
    Wind direction SW NNW SW NNW WSW NNW SSW WSW S WNW SE SE ESE E
    Relative humidity 48% 24% 42% 27% 50% 25% 40% 20% 29% 21% 29% 23% 34% 27%
    Dew point 16°C 11°C 15°C 13°C 18°C 13°C 15°C 11°C 12°C 12°C 14°C 14°C 16°C 15°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 New moon First quarter Full moon Last quarter
    5:19am WST 5:41am WST 5:40pm WST 6:02pm WST 1:29am WST 12:39pm WST Waning crescent New moon Sep 22 First quarter Sep 30 Full moon Oct 07 Last quarter Oct 14

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  9. Tides graph

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  11. Derby Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Thursday
    Sep 11     		23.4 °C 36.9 °C
    0.0 mm
    Friday
    Sep 12     		19.2 °C 38.6 °C
    0.0 mm
    Saturday
    Sep 13     		20.1 °C 34.4 °C
    0.0 mm
    Sunday
    Sep 14     		18.7 °C 35.4 °C
    0.0 mm
    Monday
    Sep 15     		17.2 °C 35.4 °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 38.6° 12/09/2025 Coldest this month 12.8° 04/09/2025
    Hottest on record 42.1 26/09/2003 Coldest on record 9.1 02/09/2001
    Hottest this year 39.7° 01/03/2025 Coldest this year 7.5° 02/07/2025
    Long term average 35.7° Long term average 19.4°
    Average this month 35.5° Average this month 18.2°
    Hottest September On Record Avg. max. temp. 37.4° 2008 Coldest September on record Avg. min. temp. 16.6° 2011
    Derby rainfall history (17.3048°S, 123.6325°E, 10m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/09/2025 Total This Month 0.0mm
    0.0 days
    Long Term Average 1.8mm 0.2 days Wettest September on record 40.4mm 1974
    Driest on record 0.0mm 2021

  13. Derby Year To Date

    Average Rainfall To Sep 613.7mm 42.8 day(s)
    Total For 2025 850.8mm 63.0 day(s)
    Total To This Day 2024 305.6mm 34.0 day(s)
    Wettest Day 153.2mm Mar29
    Lowest Temperature 7.5°C Jul 2
    Highest Temperature 39.7°C Mar 1

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  2. Warnings

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