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Forecast

Hamilton Island (20.3476°S, 148.9531°E, 73m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Possible shower 20° 22°
    possible shower
    Chance of rain: 60%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:17am   6:40am   5:39pm   6:03pm  
    NOW
    21.2° Feels Like: 18.0°
    Relative Humidity: 92%
    Dew: 19.8°
    Wind: SSE 35km/h
    Gust: 41km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1019.6hPa
  3. Today Weather

    Hamilton Island
    Now
    24.0°c
    Feels Like:
    21.1°
    Wind:
    E 30km/h
    Gusts:
    39km/h
    Humidity:
    71%
    Possible shower
     
    20°
    Min
    22°
    Max
    Today in Hamilton Island
    Partly cloudy. Medium chance of a shower about the coast. Winds E 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures 21 to 26.
    Tomorrow
    Mostly sunny
    19°
    Min
    23°
    Max
    Partly cloudy. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Light winds becoming E 15 to 20 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to between 10 and 15 with daytime temperatures reaching 22 to 27.
  4. Radar

  5. Popup Radar

  6. Warnings

    There are no current warnings for Hamilton Island

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Partly cloudy. Medium chance of a shower about the coast. Winds E 20 to 30 km/h becoming light in the evening. Daytime maximum temperatures 21 to 26.

    Forecast for Hamilton Island (20.3476°S, 148.9531°E, 73m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Possible shower Mostly sunny Mostly sunny Mostly sunny Windy Sunny Sunny
    Minimum 20° 19° 19° 19° 17° 17° 17°
    Maximum 22° 23° 22° 22° 20° 20° 20°
    Chance of rain 60% 10% 30% 5% 5% 5% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index High 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 30
    (km/h)
    32
    (km/h)
    30
    (km/h)
    28
    (km/h)
    24
    (km/h)
    20
    (km/h)
    31
    (km/h)
    26
    (km/h)
    40
    (km/h)
    27
    (km/h)
    33
    (km/h)
    22
    (km/h)
    34
    (km/h)
    28
    (km/h)
    Wind direction SE ESE SSE SSE S SSE SSW SSE S SSE S SSE S SSE
    Relative humidity 94% 87% 85% 85% 90% 88% 79% 70% 63% 58% 66% 63% 71% 71%
    Dew point 19°C 19°C 18°C 19°C 18°C 19°C 16°C 15°C 10°C 10°C 11°C 12°C 12°C 14°C
  9. 28 Day Rainfall forecast

    Hamilton Island Rain Forecast


    Hamilton Island 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    10
    MEDIUM
    11
    12
    LOW
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    LOW
    29
    30
    LOW
    31
    LOW
    Aug 1
    LOW
    2
    LOW
    3
    4
    5
    6
    7
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jul10

    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, the south Pacific, 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 17 July to 21 July, 29 July to 2 August, and 5 August to 9 August. Rain events originating in the tropics and moving south are possible about 31 July to 4 August. Over Western Australia the strongest cold fronts should occur about 17 July to 21 July, 30 July to 3 August, and 6 August to 10 August.

    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

    Hamilton Island Rain Forecast


    Hamilton Island 12-month Rainfall Forecast
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    2020
    2021
    9
    8
    8
    8
    7
    8
    6
    7
    7
    8
    7
    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 Jun 15

    ENSO status: Neutral IOD status: Neutral SAM status: Trending positive Sea surface temperatures (SSTs) across the equatorial central Pacific exhibited significant cooling over the past month, with the Nino3.4 index registering a value of -0.1in May. On the other hand, the Southern Oscillation Index (SOI) recorded a value of 2.8 during the same month. The current outlook suggests cooler than average SSTs will take hold across the equatorial Pacific Ocean during winter, potentially reaching La Nina thresholds by mid-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 45:40 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, normal for this time of the year. However, out of season Tropical CycloneMangga brought some significant cooling to the sea surface temperatures to the northwest of Australia late in May. This disrupted the warming trend in the region that would have led to a negative IOD by mid-winter. Nonetheless, all but one of the six main international models (BoMs outlook), continue to hint at a possible negative IOD establishing later in winter/first half of spring. In terms of precipitation across Australia, the current short-term outlook now favours below average rainfall for most of the country for the remainder of June and early July. This outlook is mainly driven by cooler SSTs across northwestern Australia, reducing the amount of available moisture in the atmosphere. As discussed earlier, tropical cyclone Mangga was a key player in the cooling of the SSTs off the northwest coast. Most models, however, are indicating a positive IOD is still on the cards later in winter and through spring, bringing a wetter outlook for most of the southern half of the country from mid-to-lateJuly. Across parts of southern Vic, NSW and Qld (east of the Great Dividing Range), southwestern WA and Tasmania, the outlook continues to favour average-to-slightly below average rainfall over the coming months as these regions transition to their ‘drier’ part of the year (eastern seaboard) or tend to be less influenced by the IOD (SW WA and Tas) but more on the phases of the Southern Annular Mode (SAM).

  11. Long range rainfall forecast

    Hamilton Island Rain Forecast


    Hamilton Island 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    10
    MEDIUM
    11
    12
    LOW
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    LOW
    29
    30
    LOW
    31
    LOW
    Aug 1
    LOW
    2
    LOW
    3
    4
    5
    6
    7
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jul10

    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, the south Pacific, 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 17 July to 21 July, 29 July to 2 August, and 5 August to 9 August. Rain events originating in the tropics and moving south are possible about 31 July to 4 August. Over Western Australia the strongest cold fronts should occur about 17 July to 21 July, 30 July to 3 August, and 6 August to 10 August.

    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

    Hamilton Island Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Monday
    Jul 06
    17.0 °C 20.0 °C
    0.0 mm
    Tuesday
    Jul 07
    18.2 °C 20.9 °C
    0.0 mm
    Wednesday
    Jul 08
    18.8 °C 20.9 °C
    1.8 mm
    Thursday
    Jul 09
    18.8 °C 23.0 °C
    8.0 mm
    Friday
    Jul 10
    19.2 °C 21.2 °C
    0.6 mm
    Legend
  14. Almanac

    Almanac


    Hamilton Island minimum temp history (20.3476°S, 148.9531°E, 73m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 23.6° 01/07/2020 Coldest this month 16.8° 05/07/2020
    Hottest on record 26.8 15/07/2005 Coldest on record 12.8 29/07/2008
    Hottest this year 33.4° 21/01/2020 Coldest this year 13.9° 24/05/2020
    Long term average 21.4° Long term average 17.8°
    Average this month 21.4° Average this month 18.4°
    Hottest July On Record Avg. max. temp. 22.6° 2016 Coldest July on record Avg. min. temp. 16.2° 2007
    Hamilton Island rainfall history (20.3476°S, 148.9531°E, 73m AMSL)
    RAINFALL
    Wettest This Month 11.8mm 01/07/2020 Total This Month 25.8mm
    5.0 days
    Long Term Average 44.2mm 11.2 days Wettest July on record 172.8mm 2012
    Driest on record 0.2mm 2009
  15. Popup - Radar

    Weather Radar for QLD

  16. Year to Date

    Hamilton Island Year To Date

    Average Rainfall To Jul 1208.0mm 105.8 day(s)
    Total For 2020 1069.6mm 107.0 day(s)
    Total To This Day 2019 1474.4mm 122.0 day(s)
    Wettest Day 141.0mm Feb24
    Lowest Temperature 13.9°C May24
    Highest Temperature 33.4°C Jan21
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Hamilton Island Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 29.9 29.6 28.6 26.9 24.5 22.3 21.4 22.7 25.3 27.2 28.6 29.9 26.4
    Mean Min (°C) 24.8 24.8 24.2 22.7 20.6 18.8 17.8 18.2 20.1 21.9 23.2 24.5 21.8
    Mean Rain (mm) 283.4 287.0 281.2 145.6 91.2 75.4 44.2 25.4 30.9 23.7 95.8 125.0 1506.3
    Mean Rain Days 17.9 17.1 18.0 15.2 14.1 12.3 11.2 7.1 6.1 5.1 8.5 9.7 136.3