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Casterton (37.5842°S, 141.4059°E, 47m AMSL) set as my default location ›

  2. Casterton Local Weather

    37.58°S, 141.41°E
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    Now in Casterton

    Updated at 03:20 EST

    PAST 24 HOURS

    13.4 °C

    Feels like 9.5 °C
    Dew Point
    5.3 °C
    Gusts
    22km/h
    Relative Humidity
    58%
    Pressure
    1009.4hPa
    Wind
    N 15km/h
    Rainfall
    0.4mm

    Casterton

    Dartmoor

    Mt Gambier

    Coonawarra

    Casterton Friday Forecast

    Late shower
    Late shower
    8 °C
    18 °C
    90%
    1-5mm
    Casterton for Friday
    Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Snow falling above 1100 metres. The chance of a thunderstorm near the coast in the afternoon and evening, with damaging winds in the late afternoon and evening. Possible small hail at night. Damaging winds possible near the Grampians. Winds N 20 to 30 km/h turning W/NW 25 to 40 km/h during the morning. Overnight temperatures falling to around 9 with daytime temperatures reaching around 18.
    Fire Danger
    No Rating
    DAM LEVELS

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  4. Casterton 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Snow falling above 1100 metres. The chance of a thunderstorm near the coast in the afternoon and evening, with damaging winds in the late afternoon and evening. Possible small hail at night. Damaging winds possible near the Grampians. Winds N 20 to 30 km/h turning W/NW 25 to 40 km/h during the morning. Overnight temperatures falling to around 9 with daytime temperatures reaching around 18.

    Forecast for Casterton (37.5842°S, 141.4059°E, 47m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Late shower Possible shower Showers Showers Mostly cloudy Clearing shower Possible shower
    Minimum 8° 5° 9° 6° 5° 7° 8°
    Maximum 18° 14° 16° 13° 17° 17° 18°
    Chance of rain 90% 80% 90% 70% 40% 40% 40%
    Likely amount 1-5mm 1-5mm 1-5mm < 1mm < 1mm < 1mm 1-5mm
    UV index Moderate Moderate Moderate Moderate Moderate High High
    Fire Danger Rating No Rating No Rating No Rating No Rating - - -
    Frost risk Nil Slight Nil Nil Slight Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 17
    (km/h)     		33
    (km/h)     		17
    (km/h)     		21
    (km/h)     		19
    (km/h)     		24
    (km/h)     		17
    (km/h)     		22
    (km/h)     		10
    (km/h)     		17
    (km/h)     		13
    (km/h)     		18
    (km/h)     		20
    (km/h)     		23
    (km/h)
    Wind direction NW WNW W W WNW W SW SW W WSW W W WNW W
    Relative humidity 75% 53% 67% 65% 89% 72% 75% 54% 72% 59% 82% 62% 78% 59%
    Dew point 9°C 7°C 5°C 7°C 11°C 11°C 5°C 4°C 7°C 9°C 9°C 10°C 9°C 10°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Casterton (37.5842°S, 141.4059°E, 47m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter
    6:04am EST 6:30am EST 6:28pm EST 6:54pm EST 5:13am EST 3:52pm EST 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

    There is no current data for Casterton

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  11. Casterton Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Sep 14     		5.2 °C 20.6 °C
    0.0 mm
    Monday
    Sep 15     		13.0 °C 23.3 °C
    0.0 mm
    Tuesday
    Sep 16     		10.3 °C 14.7 °C
    2.0 mm
    Wednesday
    Sep 17     		4.2 °C 14.2 °C
    6.4 mm
    Thursday
    Sep 18     		2.6 °C 19.9 °C
    0.2 mm
    Legend

  12. Almanac

    Casterton minimum temp history (37.5842°S, 141.4059°E, 47m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 23.3° 15/09/2025 Coldest this month -1.0° 05/09/2025
    Hottest on record 26.6 28/09/2014 Coldest on record -1.7 09/09/2008
    Hottest this year 40.8° 02/02/2025 Coldest this year -1.8° 22/05/2025
    Long term average 16.3° Long term average 6.2°
    Average this month 16.5° Average this month 6.5°
    Hottest September On Record Avg. max. temp. 17.8° 2013 Coldest September on record Avg. min. temp. 5.0° 2008
    Casterton rainfall history (37.5842°S, 141.4059°E, 47m AMSL)
    RAINFALL
    Wettest This Month 10.4mm 08/09/2025 Total This Month 37.8mm
    13.0 days
    Long Term Average 63.0mm 17.8 days Wettest September on record 123.0mm 2016
    Driest on record 18.8mm 2024

  13. Casterton Year To Date

    Average Rainfall To Sep 493.2mm 134.0 day(s)
    Total For 2025 313.0mm 81.0 day(s)
    Total To This Day 2024 298.4mm 101.0 day(s)
    Wettest Day 33.2mm Jun25
    Lowest Temperature -1.8°C May22
    Highest Temperature 40.8°C Feb 2

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  2. Warnings

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