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Forecast

Old Grevillia (28.4449°S, 152.8821°E, 105m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Hazy 15° 41°
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    4:17am EST 4:44am EST 6:34pm EST 7:00pm EST
    NOW
    16.6° Feels Like: 17.3°
    Relative Humidity: 76%
    Dew: 12.3°
    Wind: CAL 0km/h
    Gust: 0km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Old Grevillia
    Now
    22.2°c
    Feels Like:
    18.9°
    Wind:
    NW 13km/h
    Gusts:
    17km/h
    Humidity:
    37%
    Hazy
     
    15°
    Min
    41°
    Max
    Today in Old Grevillia
    Hot and mostly sunny. Areas of smoke haze, thick at times. Light winds becoming W/NW 15 to 25 km/h in the middle of the day then turning N/NE in the afternoon. Daytime maximum temperatures 35 to 40.
    Tomorrow
    Hazy
    18°
    Min
    42°
    Max
    Mostly sunny. Areas of smoke haze. Winds N/NW 15 to 20 km/h shifting SE 15 to 25 km/h in the late morning and early afternoon. Overnight temperatures falling to around 19 with daytime temperatures reaching 31 to 38.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Hot and mostly sunny. Areas of smoke haze, thick at times. Light winds becoming W/NW 15 to 25 km/h in the middle of the day then turning N/NE in the afternoon. Daytime maximum temperatures 35 to 40.

    Forecast for Old Grevillia (28.4449°S, 152.8821°E, 105m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Hazy Hazy Hazy Mostly sunny Mostly sunny Possible shower Possible shower
    Minimum 15° 18° 19° 19° 20° 19° 20°
    Maximum 41° 42° 36° 35° 37° 39° 33°
    Chance of rain 5% 10% 30% 30% 10% 70% 50%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm 1-5mm
    UV index Extreme Extreme Extreme Extreme - - -
    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 4
    (km/h)
    9
    (km/h)
    4
    (km/h)
    15
    (km/h)
    4
    (km/h)
    14
    (km/h)
    6
    (km/h)
    14
    (km/h)
    6
    (km/h)
    15
    (km/h)
    9
    (km/h)
    15
    (km/h)
    10
    (km/h)
    18
    (km/h)
    Wind direction NW NNW NW ENE SE E SE E N NE N NE N NE
    Relative humidity 24% 8% 29% 21% 51% 40% 54% 49% 54% 38% 49% 40% 50% 43%
    Dew point 9°C 1°C 14°C 13°C 19°C 19°C 19°C 22°C 19°C 20°C 20°C 22°C 17°C 18°C
  9. 28 Day Rainfall forecast

    Old Grevillia Rain Forecast


    Old Grevillia 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    6
    7
    LOW
    8
    MEDIUM
    9
    LOW
    10
    LOW
    11
    HIGH
    12
    LOW
    13
    LOW
    14
    HIGH
    15
    MEDIUM
    16
    LOW
    17
    LOW
    18
    MEDIUM
    19
    LOW
    20
    LOW
    21
    MEDIUM
    22
    MEDIUM
    23
    LOW
    24
    LOW
    25
    LOW
    26
    LOW
    27
    LOW
    28
    29
    MEDIUM
    30
    LOW
    31
    Jan 1
    LOW
    2
    LOW
    3
    MEDIUM
    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 remained stable in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, eastern Australia, the south Pacific, South America, and the Atlantic Ocean.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 15 December to 19 December, 22 December to 26 December, and 4 January to 8 January. Rain events originating in the tropics and moving south are possible about 12 December to 16 December. Over Western Australia the strongest cold fronts should occur about 18 December to 22 December, 22 December to 26 December, and 4 January to 8 January.

    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

    Old Grevillia Rain Forecast


    Old Grevillia 12-month Rainfall Forecast
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    2019
    2020
    4
    5
    6
    5
    7
    7
    6
    3
    6
    6
    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 Nov 8

    ENSO status: Neutral IOD status: Positive Sea surface temperatures (SSTs) across the equatorial central Pacific warmed up slightly over the past few weeks. As a reflection, the Nino3.4 index lingered between 0.5 and 0.7 throughout the month of October. The Southern Oscillation Index (SOI) recorded a value of -5.6 during the past month. The current outlook consensus suggests warmer than average SSTs will persist across the equatorial Pacific Ocean through the coming months, but remaining within neutral values. Five out of eight international models maintain a warmer than average Pacific Ocean through the end of 2019 and first quarter of 2020, however, none of these reaching El Nino thresholds. The IRI ENSO forecast continues to suggest less than 40% of another El Nino developing over the next 12 months, with a neutral ENSO the most likely outcome. To the west of Australia, the Indian Ocean Dipole (IOD) remains strongly positive, with the highest positive value since the early 2000s. All six international models maintain a strong positive event until December. In terms of rainfall, there is little variation to the outlook issued last month. The climate outlook for October continues to favour below average rainfall for most of Australia, in particular the eastern half of the continent. During Positive IODs, central and southeastern Australia tend to see a reduction in rainfall during spring, due to a reduction of moisture streaming from the northwest. For northern Australia, the current outlook is for a late onset of the wet season across the Northern Territory and Queensland. Thus far, Darwin and South Eastern Qld have seen the onset of the wet season this year though a week later than usual. Further south, a negative trend in the Southern Annular Mode (SAM) will continue to enhance frontal activity over the far south during October and early. This is likely to offset the Positive IOD in far southern Victoria and western Tasmania, which could see average-to-above average rainfall during October and early December. Looking further ahead, with no significant signature from ENSO, there are no significant climate drivers tilting the balance towards a drier or wetter summer. The current outlook suggest neutral odds.

  11. Long range rainfall forecast

    Old Grevillia Rain Forecast


    Old Grevillia 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    6
    7
    LOW
    8
    MEDIUM
    9
    LOW
    10
    LOW
    11
    HIGH
    12
    LOW
    13
    LOW
    14
    HIGH
    15
    MEDIUM
    16
    LOW
    17
    LOW
    18
    MEDIUM
    19
    LOW
    20
    LOW
    21
    MEDIUM
    22
    MEDIUM
    23
    LOW
    24
    LOW
    25
    LOW
    26
    LOW
    27
    LOW
    28
    29
    MEDIUM
    30
    LOW
    31
    Jan 1
    LOW
    2
    LOW
    3
    MEDIUM
    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 remained stable in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, eastern Australia, the south Pacific, South America, and the Atlantic Ocean.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 15 December to 19 December, 22 December to 26 December, and 4 January to 8 January. Rain events originating in the tropics and moving south are possible about 12 December to 16 December. Over Western Australia the strongest cold fronts should occur about 18 December to 22 December, 22 December to 26 December, and 4 January to 8 January.

    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

    We're sorry, but there are no daily observations available for Old Grevillia

  14. Almanac

    Almanac


    Old Grevillia minimum temp history (28.4449°S, 152.8821°E, 105m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 34.6° 02/12/2019 Coldest this month 11.4° 04/12/2019
    Hottest on record 40.8 25/12/1972 Coldest on record 10.6 18/12/1980
    Hottest this year 37.5° 08/11/2019 Coldest this year 0.2° 21/08/2019
    Long term average 29.1° Long term average 18.5°
    Average this month 31.6° Average this month 16.9°
    Hottest December On Record Avg. max. temp. 32.1° 2005 Coldest December on record Avg. min. temp. 16.6° 1999
    Old Grevillia rainfall history (28.4449°S, 152.8821°E, 105m AMSL)
    RAINFALL
    Wettest This Month 8.0mm 01/12/2019 Total This Month 15.0mm
    2.0 days
    Long Term Average 168.9mm 13.6 days Wettest December on record 499.9mm 2005
  15. Popup - Radar

    Weather Radar for NSW/ACT

  16. Year to Date

    Old Grevillia Year To Date

    Average Rainfall To Dec 1605.3mm 147.0 day(s)
    Total For 2019 612.8mm 84.0 day(s)
    Total To This Day 2018 1053.9mm 114.0 day(s)
    Wettest Day 57.0mm Jun26
    Lowest Temperature 0.2°C Aug21
    Highest Temperature 37.5°C Nov 8
  17. Popup - Monthly historical

  18. Climatology

    Old Grevillia Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 29.5 29.0 28.1 26.1 23.5 21.2 21.0 22.4 25.0 26.5 27.7 29.1 25.8
    Mean Min (°C) 19.7 19.6 18.3 15.6 12.6 9.9 8.5 8.8 11.5 14.1 16.7 18.5 14.5
    Mean Rain (mm) 211.4 220.6 224.5 154.4 132.6 105.5 61.8 55.4 41.4 104.1 124.7 168.9 1611.2
    Mean Rain Days 15.0 15.9 17.0 14.2 12.6 11.0 8.7 7.8 8.0 10.4 12.8 13.6 143.0