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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 03:50 WST

    PAST 24 HOURS

    24.8 °C

    Feels like 20.1 °C
    Dew Point
    -1.1 °C
    Gusts
    15km/h
    Relative Humidity
    18%
    Pressure
    1012.9hPa
    Wind
    SE 13km/h
    Rainfall
    0.0mm

    Derby

    Curtin

    Lombadina

    Koolan Island / Koolan Central

    Derby Thursday Forecast

    Mostly sunny
    Mostly sunny
    22 °C
    37 °C
    20%
    < 1mm
    Derby for Thursday
    Mostly sunny. Medium chance of showers in the far N in the afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the N in the afternoon and early evening. Winds SE 25 to 40 km/h. Overnight temperatures falling to between 16 and 22 with daytime temperatures reaching 32 to 37.
    Fire Danger
    High
    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. Medium chance of showers in the far N in the afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the N in the afternoon and early evening. Winds SE 25 to 40 km/h. Overnight temperatures falling to between 16 and 22 with daytime temperatures reaching 32 to 37.

    Forecast for Derby (17.3048°S, 123.6325°E, 10m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Mostly sunny Mostly sunny Mostly sunny Mostly sunny Sunny Sunny Sunny
    Minimum 22° 21° 20° 18° 16° 17° 19°
    Maximum 37° 36° 35° 35° 36° 36° 35°
    Chance of rain 20% 10% 5% 5% 5% 5% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating High 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 30
    (km/h)     		26
    (km/h)     		23
    (km/h)     		16
    (km/h)     		20
    (km/h)     		17
    (km/h)     		17
    (km/h)     		18
    (km/h)     		7
    (km/h)     		19
    (km/h)     		9
    (km/h)     		18
    (km/h)     		7
    (km/h)     		21
    (km/h)
    Wind direction SSE SSE E ENE E NE E NW S NW SSW NW SW NNW
    Relative humidity 15% 17% 29% 23% 31% 21% 19% 20% 29% 17% 44% 20% 49% 24%
    Dew point 1°C 8°C 11°C 11°C 11°C 9°C 3°C 8°C 9°C 6°C 15°C 9°C 17°C 11°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 Full moon
    5:23am WST 5:45am WST 5:40pm WST 6:02pm WST 9:13pm WST 7:59am WST Waning gibbous Last quarter Sep 14 New moon Sep 22 First quarter Sep 30 Full moon Oct 07

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  9. Tides graph

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  11. Derby Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Saturday
    Sep 06     		16.8 °C 34.7 °C
    0.0 mm
    Sunday
    Sep 07     		17.8 °C 33.6 °C
    0.0 mm
    Monday
    Sep 08     		19.3 °C 34.8 °C
    0.0 mm
    Tuesday
    Sep 09     		23.2 °C 36.5 °C
    0.0 mm
    Wednesday
    Sep 10     		19.6 °C 37.3 °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 37.1° 03/09/2025 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 35.1° Average this month 17.4°
    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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