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Forecast

De Grey (20.1763°S, 119.1901°E, 13m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TOMORROW
    Sunny 29° 32°
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    5:14am WST 5:38am WST 6:47pm WST 7:11pm WST
    NOW
    30.9° Feels Like: 36.9°
    Relative Humidity: 71%
    Dew: 25.0°
    Wind: NNW 2km/h
    Gust: 2km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    De Grey
    Now
    30.9°c
    Feels Like:
    36.9°
    Wind:
    NNW 2km/h
    Gusts:
    2km/h
    Humidity:
    71%
    Sunny
     
    29°
    Min
    32°
    Max
    Today in De Grey
    Mostly sunny. Slight chance of a shower in the northeast, near zero chance elsewhere. The chance of a thunderstorm in the afternoon and evening. Winds NW/SW 15 to 20 km/h tending NE/SE early in the morning then tending NW/SW 15 to 25 km/h in the middle of the day. Overnight temperatures falling to the mid to high 20s with daytime temperatures reaching around 40.
    Tomorrow
    Sunny
    29°
    Min
    32°
    Max
    Sunny morning. The chance of a thunderstorm in the far east in the afternoon and early evening. Winds NW/SW 15 to 25 km/h tending SE/SW early in the morning. Overnight temperatures falling to the mid to high 20s with daytime temperatures reaching the low to mid 40s.
  4. Radar

  5. Popup Radar

  6. Warnings

    There are no current warnings for De Grey

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Mostly sunny. Slight chance of a shower in the northeast, near zero chance elsewhere. The chance of a thunderstorm in the afternoon and evening. Winds NW/SW 15 to 20 km/h tending NE/SE early in the morning then tending NW/SW 15 to 25 km/h in the middle of the day. Overnight temperatures falling to the mid to high 20s with daytime temperatures reaching around 40.

    Forecast for De Grey (20.1763°S, 119.1901°E, 13m AMSL)
      Tue Wed Thu Fri Sat Sun Mon
    Summary Sunny Sunny Sunny Mostly sunny Mostly sunny Mostly sunny Mostly sunny
    Minimum 29° 29° 29° 29° 29° 29° 28°
    Maximum 32° 32° 32° 32° 32° 32° 31°
    Chance of rain 5% 5% 10% 5% 5% 30% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    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 9
    (km/h)
    22
    (km/h)
    21
    (km/h)
    28
    (km/h)
    15
    (km/h)
    22
    (km/h)
    10
    (km/h)
    16
    (km/h)
    11
    (km/h)
    18
    (km/h)
    12
    (km/h)
    20
    (km/h)
    7
    (km/h)
    22
    (km/h)
    Wind direction WSW NNW WNW NW NW NNW SE NNW SSW NNW NNE N N NNW
    Relative humidity 61% 53% 61% 49% 60% 51% 53% 40% 45% 38% 61% 55% 61% 50%
    Dew point 23°C 22°C 22°C 20°C 22°C 21°C 20°C 17°C 18°C 17°C 22°C 22°C 21°C 20°C
  9. 28 Day Rainfall forecast

    De Grey Rain Forecast


    De Grey 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    20
    21
    22
    23
    24
    25
    26
    27
    LOW
    28
    LOW
    29
    MEDIUM
    30
    LOW
    31
    LOW
    Feb 1
    MEDIUM
    2
    MEDIUM
    3
    LOW
    4
    LOW
    5
    LOW
    6
    LOW
    7
    MEDIUM
    8
    MEDIUM
    9
    LOW
    10
    LOW
    11
    12
    13
    14
    15
    LOW
    16
    LOW
    17
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jan20

    Issue Notes

    The hemispheric long wave pattern has been relatively fast moving in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, the south Pacific, the southeast Pacific, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 29 January to 2 February, 5 February to 9 February, and 9 February to 13 February. Rain events originating in the tropics and moving south are possible about 18 January to 22 January. Over Western Australia the strongest cold fronts should occur about 3 February to 7 February, and 11 February to 15 February.

    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

    De Grey Rain Forecast


    De Grey 12-month Rainfall Forecast
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    2020
    9
    6
    7
    7
    9
    8
    8
    8
    9
    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 Jan 14

    ENSO status: Neutral IOD status: Neutral SAM status: Trending neutral Sea surface temperatures (SSTs) across the equatorial central Pacific remained stable throughout December with the Nino3.4 index registering a value of 0.4 throughout the month. On the other hand, the Southern Oscillation Index (SOI) recorded a value of -5.5 in December. The current outlook suggests warmer than average SSTs will persist across the equatorial Pacific Ocean through the coming months, but remaining within neutral values. Six out of eight international models maintain a warmer than average equatorial Pacific Ocean through the first two quarters of 2020, none of these reaching El Nino thresholds. To the west of Australia, the Indian Ocean Dipole (IOD) has now returned to neutral, as waters off Western Australia have warmed up considerably. All six international models maintain neutral values until the austral winter with indications we could see another positive event later this year. In terms of rainfall across Australia, the current outlook favours a clearer below average rainfall signal for Western Australia and the Northern Territory through the remainder of January. This however, excludes any extreme weather events such as tropical cyclones. For the eastern states, there is a wetter than average signal for the coming weeks. Looking further ahead, with no significant signature from ENSO, there are no significant climate drivers tilting the balance towards a drier or wetter February. The current outlook suggests average-to-below average odds for February and March across the eastern states. The northern and western half of the country, however, could see a wet end to summer/start to autumn.

  11. Long range rainfall forecast

    De Grey Rain Forecast


    De Grey 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    20
    21
    22
    23
    24
    25
    26
    27
    LOW
    28
    LOW
    29
    MEDIUM
    30
    LOW
    31
    LOW
    Feb 1
    MEDIUM
    2
    MEDIUM
    3
    LOW
    4
    LOW
    5
    LOW
    6
    LOW
    7
    MEDIUM
    8
    MEDIUM
    9
    LOW
    10
    LOW
    11
    12
    13
    14
    15
    LOW
    16
    LOW
    17
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jan20

    Issue Notes

    The hemispheric long wave pattern has been relatively fast moving in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, the south Pacific, the southeast Pacific, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 29 January to 2 February, 5 February to 9 February, and 9 February to 13 February. Rain events originating in the tropics and moving south are possible about 18 January to 22 January. Over Western Australia the strongest cold fronts should occur about 3 February to 7 February, and 11 February to 15 February.

    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

    De Grey Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Thursday
    Jan 16
    - -
    -
    Friday
    Jan 17
    - 38.6 °C
    -
    Saturday
    Jan 18
    20.1 °C 32.8 °C
    -
    Sunday
    Jan 19
    18.6 °C 35.3 °C
    -
    Monday
    Jan 20
    19.6 °C -
    -
    Legend
  14. Almanac

    Almanac


    De Grey minimum temp history (20.1763°S, 119.1901°E, 13m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 41.4° 12/01/2020 Coldest this month 18.6° 19/01/2020
    Hottest on record 46.5 27/01/1994 Coldest on record 20.0 09/01/2006
    Hottest this year 41.4° 12/01/2020 Coldest this year 18.6° 19/01/2020
    Long term average 36.4° Long term average 25.9°
    Average this month 35.8° Average this month 22.0°
    Hottest January On Record Avg. max. temp. 39.6° 2005 Coldest January on record Avg. min. temp. 24.5° 2006
    De Grey rainfall history (20.1763°S, 119.1901°E, 13m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 02/01/2020 Total This Month 0.0mm
    0.0 days
    Long Term Average 63.4mm 4.2 days Wettest January on record 345.2mm 2005
  15. Popup - Radar

    Weather Radar for WA

  16. Year to Date

    De Grey Year To Date

    Average Rainfall To Jan 63.4mm 4.2 day(s)
    Total For 2020 0.0mm 0.0 day(s)
    Total To This Day 2019 6.8mm 1.0 day(s)
    Wettest Day 0.0mm Jan 2
    Lowest Temperature 18.6°C Jan19
    Highest Temperature 41.4°C Jan12
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    De Grey Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 36.4 35.9 36.3 35.4 31.7 28.3 28.0 30.2 33.0 35.8 36.7 36.5 33.7
    Mean Min (°C) 25.9 25.6 24.6 21.6 17.3 14.8 13.0 13.4 15.9 19.6 22.2 24.8 19.9
    Mean Rain (mm) 63.4 82.4 64.3 19.7 23.7 22.1 8.4 3.4 2.7 0.9 3.1 24.4 317.4
    Mean Rain Days 4.2 5.1 3.5 1.2 1.6 1.5 0.9 0.4 0.4 0.2 0.3 1.6 19.4