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Forecast

Swanbourne (31.9825°S, 115.7706°E, 19m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TOMORROW
    Sunny 16° 30°
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    5:56am WST 6:21am WST 6:28pm WST 6:52pm WST
    NOW
    23.6° Feels Like: 17.3°
    Relative Humidity: 29%
    Dew: 4.5°
    Wind: E 26km/h
    Gust: 41km/h
    Rainfall since 9am: 0.0mm
    Pressure: &nbsp;
  3. Today Weather

    Swanbourne
    Now
    23.4°c
    Feels Like:
    19.7°
    Wind:
    NE 13km/h
    Gusts:
    19km/h
    Humidity:
    30%
    Sunny
     
    16°
    Min
    30°
    Max
    Today in Swanbourne
    Sunny. Winds E 25 to 40 km/h becoming light in the evening then becoming E 15 to 25 km/h in the late evening. Wind gusts up to 75 km/h over the hills and foot hills in the morning.
    Tomorrow
    Sunny
    16°
    Min
    30°
    Max
    Sunny. Winds E 25 to 35 km/h.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Sunny. Winds E 25 to 40 km/h becoming light in the evening then becoming E 15 to 25 km/h in the late evening. Wind gusts up to 75 km/h over the hills and foot hills in the morning.

    Forecast for Swanbourne (31.9825°S, 115.7706°E, 19m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Sunny Sunny Sunny Sunny Sunny Sunny Sunny
    Minimum 16° 18° 18° 17° 17° 17° 18°
    Maximum 30° 30° 30° 29° 29° 29° 30°
    Chance of rain 5% 5% 5% 5% 5% 5% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Very High Very High Very High High High High High
    Fire Danger Rating High High High High - - -
    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 27
    (km/h)
    18
    (km/h)
    18
    (km/h)
    20
    (km/h)
    25
    (km/h)
    24
    (km/h)
    24
    (km/h)
    23
    (km/h)
    19
    (km/h)
    16
    (km/h)
    15
    (km/h)
    15
    (km/h)
    13
    (km/h)
    15
    (km/h)
    Wind direction E E E SSW E SE E ESE E SSE ENE SW ENE WSW
    Relative humidity 44% 38% 44% 46% 49% 37% 52% 38% 53% 41% 38% 40% 36% 40%
    Dew point 9°C 13°C 10°C 15°C 12°C 12°C 12°C 12°C 12°C 13°C 7°C 12°C 8°C 13°C
  9. 28 Day Rainfall forecast

    Swanbourne Rain Forecast


    Swanbourne 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    19
    20
    21
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Mar19

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are four main troughs. Currently the most significant troughs are near the longitudes of the Indian Ocean, eastern Australia, the southeast Pacific, and the Atlantic Ocean.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 2024-03-18, 2024-03-23 and 2024-04-05. Rain events originating in the tropics and moving south are possible about 2024-03-18, 2024-03-23 and 2024-03-28. Over Western Australia the strongest cold fronts should occur about 2024-03-18 and 2024-03-23.

    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

    Swanbourne Rain Forecast


    Swanbourne 12-month Rainfall Forecast
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    2024
    2025
    8
    4
    5
    4
    4
    5
    6
    2
    7
    8
    1
    7
    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 Mar 5

    ENSO status: El Niño, breaking down. IOD status: Neutral. SAM status: Neutral, trending slightly positive. The El Niño Southern Oscillation (ENSO) is in an El Niño and is starting to break down. All international models indicate neutral conditions should return by late April or early May. The Southern Oscillation Index (SOI) is back below the threshold of -7, but is varying significantly with tropical activity over Australia and the Pacific. Waters in the Coral Sea are far warmer than normal, especially for an El Niño, and are offsetting the effects of this event. El Niño only has a small effect during autumn, typically increasing rainfall over the Nullarbor and SA, but having little effect elsewhere. The Indian Ocean Dipole (IOD) is in a neutral phase. Ocean temperatures are high across most of the Indian Ocean, with only cooler waters near the WA coast. The IOD has little to no effect during autumn. The Southern Annular Mode (SAM) is neutral and will slightly favour a positive phase during March and April and return closer to true neutral in May. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east. As we go closer to winter, a positive SAM also reduces cold fronts and rainfall over southern Australia. Rainfall outlooks are predicting average rainfall for the vast majority of Australia throughout autumn. There are some weak signals that southwest WA could be slightly drier than normal in April, and southeast Qld and NSW could be slightly wetter during May, but otherwise near average.

  11. Popup - Daily historical

  12. Long range rainfall forecast

    Swanbourne Rain Forecast


    Swanbourne 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    19
    20
    21
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Mar19

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are four main troughs. Currently the most significant troughs are near the longitudes of the Indian Ocean, eastern Australia, the southeast Pacific, and the Atlantic Ocean.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 2024-03-18, 2024-03-23 and 2024-04-05. Rain events originating in the tropics and moving south are possible about 2024-03-18, 2024-03-23 and 2024-03-28. Over Western Australia the strongest cold fronts should occur about 2024-03-18 and 2024-03-23.

    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

    Swanbourne Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Friday
    Mar 15
    21.3 °C 32.1 °C
    0.0 mm
    Saturday
    Mar 16
    22.1 °C 31.5 °C
    0.0 mm
    Sunday
    Mar 17
    18.5 °C 25.6 °C
    0.0 mm
    Monday
    Mar 18
    17.5 °C 25.2 °C
    0.0 mm
    Tuesday
    Mar 19
    14.5 °C 26.9 °C
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Swanbourne minimum temp history (31.9825°S, 115.7706°E, 19m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 35.4° 07/03/2024 Coldest this month 14.3° 09/03/2024
    Hottest on record 42.8 07/03/2007 Coldest on record 7.5 28/03/2007
    Hottest this year 43.0° 18/02/2024 Coldest this year 14.3° 09/03/2024
    Long term average 28.8° Long term average 17.6°
    Average this month 29.7° Average this month 19.3°
    Hottest March On Record Avg. max. temp. 31.1° 2011 Coldest March on record Avg. min. temp. 16.1° 2004
    Swanbourne rainfall history (31.9825°S, 115.7706°E, 19m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/03/2024 Total This Month 0.0mm
    0.0 days
    Long Term Average 22.0mm 4.1 days Wettest March on record 82.4mm 1997
    Driest on record 0.0mm 2012
  15. Year to Date

    Swanbourne Year To Date

    Average Rainfall To Mar 51.3mm 8.6 day(s)
    Total For 2024 12.6mm 5.0 day(s)
    Total To This Day 2023 1.8mm 4.0 day(s)
    Wettest Day 11.4mm Jan13
    Lowest Temperature 14.3°C Mar 9
    Highest Temperature 43.0°C Feb18
  16. Popup - Radar

    Weather Radar for Australia

  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Swanbourne Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 29.8 30.4 28.8 25.2 22.1 19.4 18.4 18.9 20.0 22.3 25.4 28.1 24.0
    Mean Min (°C) 18.3 18.7 17.6 15.2 12.5 10.6 9.9 10.1 11.1 12.5 14.8 16.8 14.0
    Mean Rain (mm) 16.8 12.5 22.0 38.7 88.6 128.5 151.4 117.1 78.5 42.2 23.2 9.9 730.4
    Mean Rain Days 2.4 2.1 4.1 7.4 11.8 16.7 18.6 17.2 15.0 8.8 5.3 3.3 112.9