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Forecast

Roxby Downs (30.5631°S, 136.8955°E, 102m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Sunny 25° 45°
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    5:45am CDT 6:13am CDT 8:14pm CDT 8:41pm CDT
    NOW
    28.0° Feels Like: 25.7°
    Relative Humidity: 28%
    Dew: 7.8°
    Wind: SE 9km/h
    Gust: 11km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1012.0hPa

  3. Today Weather

    Roxby Downs
    Now
    23.9°c
    Feels Like:
    18.7°
    Wind:
    SE 24km/h
    Gusts:
    28km/h
    Humidity:
    36%
    Sunny
     
    25°
    Min
    45°
    Max
    Today in Roxby Downs
    Mostly sunny. Winds NE/SE 20 to 30 km/h tending N/NE 25 to 40 km/h before dawn then shifting S/SE 30 to 45 km/h during the day. Overnight temperatures falling to between 19 and 26 with daytime temperatures reaching 41 to 46.
    Tomorrow
    Mostly sunny
    24°
    Min
    45°
    Max
    Mostly sunny morning. The chance of a thunderstorm with little or no rainfall N of Marla in the late afternoon and evening. Winds SE 25 to 40 km/h tending NE/SE 20 to 30 km/h before dawn then tending SE/SW in the evening. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 39 to 46.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Mostly sunny. Winds NE/SE 20 to 30 km/h tending N/NE 25 to 40 km/h before dawn then shifting S/SE 30 to 45 km/h during the day. Overnight temperatures falling to between 19 and 26 with daytime temperatures reaching 41 to 46.

    Forecast for Roxby Downs (30.5631°S, 136.8955°E, 102m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Sunny Mostly sunny Windy Windy with showers Late shower Mostly sunny Mostly sunny
    Minimum 25° 24° 29° 21° 16° 15° 17°
    Maximum 45° 45° 46° 26° 24° 26° 28°
    Chance of rain 5% 40% 60% 50% 40% 20% 30%
    Likely amount < 1mm < 1mm 1-5mm 1-5mm 1-5mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme - - -
    Fire Danger Rating High Moderate High 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 16
    (km/h)     		26
    (km/h)     		17
    (km/h)     		26
    (km/h)     		31
    (km/h)     		39
    (km/h)     		23
    (km/h)     		27
    (km/h)     		28
    (km/h)     		24
    (km/h)     		22
    (km/h)     		22
    (km/h)     		12
    (km/h)     		14
    (km/h)
    Wind direction E NNE E N N N SSW SW SSW SW WSW WSW WNW WNW
    Relative humidity 19% 7% 22% 8% 17% 9% 57% 58% 73% 60% 63% 43% 59% 39%
    Dew point 8°C 2°C 9°C 4°C 8°C 7°C 14°C 17°C 14°C 16°C 12°C 12°C 13°C 13°C

  9. 28 Day Rainfall forecast

    Roxby Downs Rain Forecast

    Roxby Downs 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    6
    7
    LOW
    8
    MEDIUM
    9
    LOW
    10
    LOW
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    Jan 1
    2
    3
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Dec 5

    Issue Notes

    The hemispheric long wave pattern has been relatively fast moving in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, the Indian Ocean, New Zealand, the south Pacific, and the southeast Pacific.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 2023-12-08, 2023-12-19 and 2024-01-01. Rain events originating in the tropics and moving south are possible about 2023-12-16, 2023-12-22 and 2024-01-01. Over Western Australia the strongest cold fronts should occur about 2023-12-06, 2023-12-11 and 2023-12-16.

    Forecast Explanation

    This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

    The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

    In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

  10. 12 Month Rainfall Forecast

    Roxby Downs Rain Forecast

    Roxby Downs 12-month Rainfall Forecast
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    2023
    2024
    8
    7
    6
    7
    6
    5
    7
    8
    5
    7
    8
    10
    5
    0
    1
    2 - 3
    4 - 7
    8 - 9
    10
    Well below normal
    Below normal
    Near normal
    Above normal
    Well above normal

    Issue Notes - Issued Dec 5

    ENSO status: El Niño, reached a strong event. IOD status: Positive IOD, starting to weaken. SAM status: Neutral, trending positive. The El Niño Southern Oscillation (ENSO) is in an El Niño, with all international models indicating this event will continue until at least April 2024. Ocean warming is continuing to occur in the eastern and central Pacific and has reached the threshold for a 'strong event'. The Southern Oscillation Index (SOI) has reduced further and is comfortably below the El Niño threshold, especially over the last 90-days. El Niño only has a limited effect on rainfall during summer, drying Far North Qld, increasing rainfall over the Nullarbor, and having little effect elsewhere. El Niño also typically delays the first monsoon onset and reduces the number of tropical cyclones impacting Australia, but otherwise has little effect on Australia during January and February. The Indian Ocean Dipole (IOD) is in a positive phase but is weakening from its peak in late October. Winds areexpected to weaken with the current tropical activity, but generally SE wind near Jakarta should maintain the event The IOD typically takes 3-6 weeks to decay, so could persist into the start of 2024. However, the first monsoon onset over northern Australia will still sever its effect on Australia. A positive IOD greatly reduces the formation of northwest cloudbands, leading to reductions in spring rainfall over northern WA, central Aus, and the southeast. A positive IOD often has a compound effect with El Niño, reducing rainfall even further. The Southern Annular Mode (SAM) is currently neutral. It is expected to favour a positive event for the remainder of December. Longer-term, since negative SAM events become more likely during El Niño, models suggest it becoming strongly negative around February. A negative phase tends to increase cold front activity over southern Australia, increasing rainfall over southern Vic, western Tas, and southeast SA, while decreasing it for eastern NSW and Qld. The opposite occurs in a positive event, with easterly winds more likely, increasing rainfall and thunderstorm activity in the east, but reducing it in southern and Western Australia. Rainfall outlooks are predicting above average rainfall for eastern NSW & Qld, below average rainfall over the Tas and far northern Australia, and average elsewhere in December. Large rainfall deficits are expected over northern Australia from December, likely with a delayed initial monsoon onset. Rainfall is forecast to be above average in the NT and NSW during January, with average to slightly below average elsewhere, with drier than normal conditions forecast throughout in February.

  11. Popup - Daily historical

  12. Long range rainfall forecast

    Roxby Downs Rain Forecast

    Roxby Downs 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    6
    7
    LOW
    8
    MEDIUM
    9
    LOW
    10
    LOW
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    Jan 1
    2
    3
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Dec 5

    Issue Notes

    The hemispheric long wave pattern has been relatively fast moving in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, the Indian Ocean, New Zealand, the south Pacific, and the southeast Pacific.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 2023-12-08, 2023-12-19 and 2024-01-01. Rain events originating in the tropics and moving south are possible about 2023-12-16, 2023-12-22 and 2024-01-01. Over Western Australia the strongest cold fronts should occur about 2023-12-06, 2023-12-11 and 2023-12-16.

    Forecast Explanation

    This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

    The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

    In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

  13. Past 5 Days

    Roxby Downs Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Friday
    Dec 01     		17.5 °C 32.1 °C
    3.4 mm
    Saturday
    Dec 02     		15.3 °C 32.1 °C
    0.0 mm
    Sunday
    Dec 03     		15.3 °C 37.1 °C
    0.0 mm
    Monday
    Dec 04     		20.0 °C 42.6 °C
    0.0 mm
    Tuesday
    Dec 05     		25.4 °C 45.2 °C
    0.0 mm
    Legend

  14. Almanac

    Almanac

    Roxby Downs minimum temp history (30.5631°S, 136.8955°E, 102m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 44.4° 05/12/2023 Coldest this month 15.3° 02/12/2023
    Hottest on record 46.0 23/12/2005 Coldest on record 8.0 03/12/2005
    Hottest this year 44.4° 05/12/2023 Coldest this year 0.2° 08/08/2023
    Long term average 34.6° Long term average 19.0°
    Average this month 37.7° Average this month 18.7°
    Hottest December On Record Avg. max. temp. 36.6° 2015 Coldest December on record Avg. min. temp. 16.5° 2001
    Roxby Downs rainfall history (30.5631°S, 136.8955°E, 102m AMSL)
    RAINFALL
    Wettest This Month 3.4mm 01/12/2023 Total This Month 3.4mm
    1.0 days
    Long Term Average 15.1mm 4.0 days Wettest December on record 63.6mm 2016
    Driest on record 0.0mm 2018

  15. Year to Date

    Roxby Downs Year To Date

    Average Rainfall To Dec 147.1mm 42.0 day(s)
    Total For 2023 117.6mm 27.0 day(s)
    Total To This Day 2022 284.8mm 54.0 day(s)
    Wettest Day 19.8mm Jan29
    Lowest Temperature 0.2°C Aug 8
    Highest Temperature 44.4°C Dec 5

  16. Popup - Radar

    Weather Radar for Australia

  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Roxby Downs Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 36.9 35.6 32.2 27.3 22.2 18.5 18.7 20.9 25.3 28.5 31.9 34.6 27.7
    Mean Min (°C) 21.2 20.1 17.2 12.8 8.1 5.2 4.2 5.6 9.3 12.8 16.4 19.0 12.6
    Mean Rain (mm) 16.0 14.7 7.1 16.5 8.3 15.9 5.6 8.8 8.9 15.9 14.3 15.1 146.6
    Mean Rain Days 3.2 2.6 2.4 3.3 3.2 4.4 3.1 3.7 3.8 4.0 4.3 4.0 42.1

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