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Forecast

Garden Island (32.2258°S, 115.6864°E, 18m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Mostly sunny 15°
    mostly sunny
    Chance of rain: 30%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:38am WST 7:03am WST 5:43pm WST 6:08pm WST
    NOW
    10.9° Feels Like: 5.9°
    Relative Humidity: 85%
    Dew: 8.5°
    Wind: SE 24km/h
    Gust: 28km/h
    Rainfall since 9am:  
    Pressure: 1009.3hPa
  3. Today Weather

    Garden Island
    Now
    6.7°c
    Feels Like:
    3.7°
    Wind:
    S 11km/h
    Gusts:
    15km/h
    Humidity:
    98%
    Mostly sunny
     
    Min
    15°
    Max
    Today in Garden Island
    Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the north in the early morning. Areas of frost inland in the early morning. Light winds becoming S 15 to 25 km/h in the middle of the day. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching around 16.
    Tomorrow
    Mostly sunny
    10°
    Min
    16°
    Max
    Partly cloudy. Winds S 15 to 25 km/h becoming light in the evening. Overnight temperatures falling to around 7 with daytime temperatures reaching between 16 and 19.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the north in the early morning. Areas of frost inland in the early morning. Light winds becoming S 15 to 25 km/h in the middle of the day. Overnight temperatures falling to between 2 and 5 with daytime temperatures reaching around 16.

    Forecast for Garden Island (32.2258°S, 115.6864°E, 18m AMSL)
      Tue Wed Thu Fri Sat Sun Mon
    Summary Mostly sunny Mostly sunny Mostly sunny Mostly sunny Mostly sunny Windy with rain Heavy showers
    Minimum 10° 10° 13° 14°
    Maximum 15° 16° 16° 16° 18° 14° 17°
    Chance of rain 30% 5% 5% 5% 80% 90% 90%
    Likely amount < 1mm < 1mm < 1mm < 1mm 5-10mm 20-40mm 20-40mm
    UV index Moderate 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 12
    (km/h)
    22
    (km/h)
    20
    (km/h)
    19
    (km/h)
    15
    (km/h)
    13
    (km/h)
    17
    (km/h)
    15
    (km/h)
    26
    (km/h)
    22
    (km/h)
    38
    (km/h)
    34
    (km/h)
    24
    (km/h)
    27
    (km/h)
    Wind direction SSE SSW S S SE ESE E ENE ENE ENE ENE NE NNW NW
    Relative humidity 84% 69% 81% 59% 78% 53% 77% 52% 64% 48% 71% 83% 84% 80%
    Dew point 7°C 10°C 9°C 9°C 7°C 6°C 7°C 6°C 5°C 7°C 8°C 11°C 12°C 13°C
  9. 28 Day Rainfall forecast

    Garden Island Rain Forecast


    Garden Island 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    4
    LOW
    5
    6
    7
    8
    MEDIUM
    9
    HIGH
    10
    MEDIUM
    11
    MEDIUM
    12
    LOW
    13
    LOW
    14
    MEDIUM
    15
    MEDIUM
    16
    HIGH
    17
    HIGH
    18
    MEDIUM
    19
    MEDIUM
    20
    MEDIUM
    21
    MEDIUM
    22
    HIGH
    23
    MEDIUM
    24
    25
    26
    27
    MEDIUM
    28
    LOW
    29
    LOW
    30
    31
    Sep 1
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug 3

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, Western Australia, New Zealand, 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 10 August to 14 August, 21 August to 25 August, and 3 September to 7 September. Rain events originating in the tropics and moving south are possible about 17 August to 21 August, 24 August to 28 August, and 3 September to 7 September. Over Western Australia the strongest cold fronts should occur about 10 August to 14 August, 22 August to 26 August, and 28 August to 1 September.

    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

    Garden Island Rain Forecast


    Garden Island 12-month Rainfall Forecast
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    2020
    2021
    6
    6
    5
    7
    6
    8
    7
    5
    4
    3
    1
    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 Jul 17

    ENSO status: La Nina Watch IOD status: Neutral SAM status: Trending neutral to positive Sea surface temperatures (SSTs) across the equatorial central Pacific have continued to exhibit some cooling over the past month, with the Nino3.4 index registering a value of -0.1 in June. The Southern Oscillation Index (SOI) recorded a value of -9.6 during the same month. The current outlook suggests cooler than average SSTs will continue across the equatorial Pacific Ocean during winter, potentially reaching La Nina thresholds during spring. All eight international models continue to suggest a cooler side of neutral for the region throughout the remainder of the Austral winter and through spring. The current International Research Institute for Climate and Society (IRI) outlook suggests a 55:50 chance for La Nina:Neutral conditions by the end of the Austral spring. To the west of Australia, the Indian Ocean Dipole (IOD) remains neutral. Three of the six international models indicate a negative IOD becomingestablished during the Austral winter or early spring, with the remaining three indicating a neutral phase. Of the three neutral models, two are trending slightly negative within the neutral zone by early spring, while one model (BoM’s outlook) is trending positive. The BoM model does trend to neither positive or negative by late spring. In terms of precipitation across Australia, the current short-term outlook continues to favour below average rainfall during July, except for NSW and Qld east of the divide where there are indications of above average rainfall. The below average rainfall forecast for July is driven by the breakdown of what was likely to be a negative IOD until a late season tropical cyclone (Mangga) cooled waters off the northwest coast. The above average rainfall forecast for eastern NSW and Qld is driven by the likelihood of coastal troughs, rainfall in the wake of cold fronts and moist trade winds in the northeast. Models then suggest above average rainfall for most of the easterntwo-thirds of the country, and central western and inland southern WA, for late winter and early spring. Southeast SA, much of Victoria, western and central Tasmania and southwest WA are not showing any signals of above or below average rainfall during this period, most likely due to a trending positive SAM. The SAM has been mainly negative in June and early July. The northern Australian dry season is continuing, with northern WA likely to see less rainfall than northern NT and QLD due to dry winds.

  11. Long range rainfall forecast

    Garden Island Rain Forecast


    Garden Island 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    4
    LOW
    5
    6
    7
    8
    MEDIUM
    9
    HIGH
    10
    MEDIUM
    11
    MEDIUM
    12
    LOW
    13
    LOW
    14
    MEDIUM
    15
    MEDIUM
    16
    HIGH
    17
    HIGH
    18
    MEDIUM
    19
    MEDIUM
    20
    MEDIUM
    21
    MEDIUM
    22
    HIGH
    23
    MEDIUM
    24
    25
    26
    27
    MEDIUM
    28
    LOW
    29
    LOW
    30
    31
    Sep 1
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug 3

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, Western Australia, New Zealand, 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 10 August to 14 August, 21 August to 25 August, and 3 September to 7 September. Rain events originating in the tropics and moving south are possible about 17 August to 21 August, 24 August to 28 August, and 3 September to 7 September. Over Western Australia the strongest cold fronts should occur about 10 August to 14 August, 22 August to 26 August, and 28 August to 1 September.

    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.

  12. Popup - Daily historical

  13. Past 5 Days

    Garden Island Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Thursday
    Jul 30
    10.2 °C 19.5 °C
    -
    Friday
    Jul 31
    14.7 °C 17.7 °C
    -
    Saturday
    Aug 01
    11.3 °C 16.8 °C
    -
    Sunday
    Aug 02
    10.1 °C 18.0 °C
    -
    Monday
    Aug 03
    8.4 °C 13.3 °C
    -
    Legend
  14. Almanac

    Almanac


    Garden Island minimum temp history (32.2258°S, 115.6864°E, 18m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 18.0° 02/08/2020 Coldest this month 10.1° 02/08/2020
    Hottest on record 25.9 15/08/2015 Coldest on record 3.5 16/08/2008
    Hottest this year 40.3° 04/02/2020 Coldest this year 7.6° 15/05/2020
    Long term average 18.2° Long term average 11.3°
    Average this month 17.4° Average this month 10.7°
    Hottest August On Record Avg. max. temp. 19.6° 2014 Coldest August on record Avg. min. temp. 9.1° 2008
    Garden Island rainfall history (32.2258°S, 115.6864°E, 18m AMSL)
    RAINFALL
    Wettest This Month mm Total This Month mm
    0.0 days
    Long Term Average 93.6mm 17.5 days Wettest August on record 127.6mm 2006
    Driest on record 19.4mm 2008
  15. Popup - Radar

    Weather Radar for WA

  16. Year to Date

    Garden Island Year To Date

    Average Rainfall To Aug 477.3mm 81.5 day(s)
    Total For 2020 158.8mm 29.0 day(s)
    Total To This Day 2019 355.2mm 55.0 day(s)
    Wettest Day 99.8mm May 6
    Lowest Temperature 7.6°C May15
    Highest Temperature 40.3°C Feb 4
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Garden Island Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 27.5 28.4 27.0 23.8 21.3 19.0 17.7 18.2 18.9 21.0 23.8 25.4 22.7
    Mean Min (°C) 19.0 19.4 18.2 16.1 14.0 12.1 11.0 11.3 11.9 13.6 15.8 17.2 15.0
    Mean Rain (mm) 10.9 16.5 16.0 38.6 78.2 109.3 114.2 93.6 67.4 29.4 23.9 10.9 599.5
    Mean Rain Days 2.7 2.1 4.1 8.3 12.1 15.8 18.9 17.5 15.7 9.6 6.3 3.9 105.5