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Forecast

Collaroy Plateau West (33.728°S, 151.2865°E, 71m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Sunny 16°
    Chance of rain: 0%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:17am EST 6:43am EST 5:19pm EST 5:45pm EST
    NOW
    7.4° Feels Like: 2.0°
    Relative Humidity: 45%
    Dew: -3.7°
    Wind: SW 15km/h
    Gust: 26km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Collaroy Plateau West
    Now
    9.3°c
    Feels Like:
    2.0°
    Wind:
    W 24km/h
    Gusts:
     
    Humidity:
    35%
    Sunny
     
    Min
    16°
    Max
    Today in Collaroy Plateau West
    Sunny. Areas of light morning frost possible in the west. Winds W 15 to 25 km/h, increasing to 25 to 40 km/h in the morning.
    Tomorrow
    Sunny
    Min
    15°
    Max
    Sunny. Areas of morning frost in the west. Winds W/NW 15 to 25 km/h tending W/SW 15 to 20 km/h in the morning then becoming light in the middle of the day.
  4. Radar

  5. Popup Radar

  6. Warnings

    There are no current warnings for Collaroy Plateau West

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Sunny. Areas of light morning frost possible in the west. Winds W 15 to 25 km/h, increasing to 25 to 40 km/h in the morning.

    Forecast for Collaroy Plateau West (33.728°S, 151.2865°E, 71m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Sunny Sunny Rain Possible shower Showers Showers Possible shower
    Minimum 11° 12° 11° 11° 11°
    Maximum 16° 15° 16° 17° 17° 16° 16°
    Chance of rain 0% 10% 100% 70% 100% 100% 40%
    Likely amount < 1mm 1-5mm 20-30mm 5-30mm 15-30mm 6-15mm 0-1mm
    UV index - - - - - - -
    Frost risk Slight Slight Nil Nil Nil Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 21
    (km/h)
    16
    (km/h)
    15
    (km/h)
    11
    (km/h)
    9
    (km/h)
    17
    (km/h)
    15
    (km/h)
    14
    (km/h)
    19
    (km/h)
    22
    (km/h)
    25
    (km/h)
    27
    (km/h)
    14
    (km/h)
    9
    (km/h)
    Wind direction NW W WSW S SE E E SSW SSW SSW SSW SSW SW SSE
    Relative humidity 53% 37% 60% 52% 77% 78% 86% 76% 80% 74% 77% 72% 75% 67%
    Dew point -1°C 2°C 1°C 5°C 10°C 12°C 12°C 12°C 11°C 12°C 9°C 11°C 9°C 10°C
  9. 28 Day Rainfall forecast

    Collaroy Plateau West Rain Forecast


    Collaroy Plateau West 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    5
    6
    LOW
    7
    HIGH
    8
    HIGH
    9
    HIGH
    10
    HIGH
    11
    LOW
    12
    MEDIUM
    13
    MEDIUM
    14
    MEDIUM
    15
    LOW
    16
    17
    18
    19
    20
    LOW
    21
    LOW
    22
    23
    LOW
    24
    MEDIUM
    25
    MEDIUM
    26
    27
    28
    29
    30
    31
    Sep 1
    LOW
    2
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug 4

    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 South Africa, the southwest Indian Ocean, New Zealand, and the southeast Pacific.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 16 August to 20 August, 21 August to 25 August, and 7 September to 11 September. Rain events originating in the tropics and moving south are possible about 10 August to 14 August, and 17 August to 21 August. Over Western Australia the strongest cold fronts should occur about 13 August to 17 August, 18 August to 22 August, and 22 August to 26 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

    Collaroy Plateau West Rain Forecast


    Collaroy Plateau West 12-month Rainfall Forecast
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    2020
    2021
    8
    7
    8
    7
    8
    6
    10
    5
    7
    6
    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 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

    Collaroy Plateau West Rain Forecast


    Collaroy Plateau West 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    5
    6
    LOW
    7
    HIGH
    8
    HIGH
    9
    HIGH
    10
    HIGH
    11
    LOW
    12
    MEDIUM
    13
    MEDIUM
    14
    MEDIUM
    15
    LOW
    16
    17
    18
    19
    20
    LOW
    21
    LOW
    22
    23
    LOW
    24
    MEDIUM
    25
    MEDIUM
    26
    27
    28
    29
    30
    31
    Sep 1
    LOW
    2
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug 4

    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 South Africa, the southwest Indian Ocean, New Zealand, and the southeast Pacific.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 16 August to 20 August, 21 August to 25 August, and 7 September to 11 September. Rain events originating in the tropics and moving south are possible about 10 August to 14 August, and 17 August to 21 August. Over Western Australia the strongest cold fronts should occur about 13 August to 17 August, 18 August to 22 August, and 22 August to 26 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

    Collaroy Plateau West Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Friday
    Jul 31
    7.7 °C 15.8 °C
    0.0 mm
    Saturday
    Aug 01
    6.1 °C 17.5 °C
    0.2 mm
    Sunday
    Aug 02
    6.4 °C 18.7 °C
    0.0 mm
    Monday
    Aug 03
    6.3 °C 20.4 °C
    0.2 mm
    Tuesday
    Aug 04
    9.7 °C 19.7 °C
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Collaroy Plateau West minimum temp history (33.728°S, 151.2865°E, 71m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 20.4° 03/08/2020 Coldest this month 6.1° 01/08/2020
    Hottest on record 27.9 23/08/2012 Coldest on record 1.5 05/08/2015
    Hottest this year 44.5° 04/01/2020 Coldest this year 4.8° 03/06/2020
    Long term average 17.8° Long term average 8.4°
    Average this month 18.3° Average this month 7.1°
    Hottest August On Record Avg. max. temp. 19.6° 2009 Coldest August on record Avg. min. temp. 6.3° 2008
    Collaroy Plateau West rainfall history (33.728°S, 151.2865°E, 71m AMSL)
    RAINFALL
    Wettest This Month 0.2mm 01/08/2020 Total This Month 0.4mm
    2.0 days
    Long Term Average 58.6mm 9.1 days Wettest August on record 235.6mm 2014
    Driest on record 2.6mm 2005
  15. Popup - Radar

    Weather Radar for NSW/ACT

  16. Year to Date

    Collaroy Plateau West Year To Date

    Average Rainfall To Aug 841.0mm 97.3 day(s)
    Total For 2020 783.2mm 117.0 day(s)
    Total To This Day 2019 592.8mm 81.0 day(s)
    Wettest Day 81.6mm Jul27
    Lowest Temperature 4.8°C Jun 3
    Highest Temperature 44.5°C Jan 4
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Collaroy Plateau West Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 26.7 26.0 24.7 22.0 19.5 16.5 16.0 17.8 20.6 22.8 24.1 25.3 21.9
    Mean Min (°C) 18.4 18.2 16.9 13.8 10.7 8.9 7.6 8.4 11.1 13.1 15.4 16.6 13.3
    Mean Rain (mm) 100.4 138.5 136.4 124.1 60.4 154.9 67.7 58.6 67.2 71.3 106.2 85.7 1170.4
    Mean Rain Days 13.8 14.0 14.1 13.1 8.5 13.8 10.9 9.1 9.5 10.8 12.9 11.8 129.7