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Forecast

Williams (33.0266°S, 116.8788°E, 260m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Mostly sunny 20° 39°
    mostly sunny
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    4:28am WST 4:56am WST 7:14pm WST 7:43pm WST
    NOW
    35.5° Feels Like: 31.1°
    Relative Humidity: 11%
    Dew: 0.6°
    Wind: N 13km/h
    Gust: 20km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Williams
    Now
    34.9°c
    Feels Like:
    31.9°
    Wind:
    N 9km/h
    Gusts:
    17km/h
    Humidity:
    15%
    Mostly sunny
     
    20°
    Min
    39°
    Max
    Today in Williams
    Very hot and sunny. Winds N/NE 15 to 25 km/h becoming light and variable for a period around midday and early afternoon before a SW/SE change moves through S and W parts during the late afternoon and early evening reaching 25 to 40 km/h. Daytime maximum temperatures around 40.
    Tomorrow
    Sunny
    19°
    Min
    41°
    Max
    Very hot and sunny. Winds NW/NE 15 to 20 km/h tending NW/SW 15 to 25 km/h in the middle of the day then tending S/SE in the evening. Overnight temperatures falling to around 18 with daytime temperatures reaching the low 40s.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Very hot and sunny. Winds N/NE 15 to 25 km/h becoming light and variable for a period around midday and early afternoon before a SW/SE change moves through S and W parts during the late afternoon and early evening reaching 25 to 40 km/h. Daytime maximum temperatures around 40.

    Forecast for Williams (33.0266°S, 116.8788°E, 260m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Mostly sunny Sunny Sunny Mostly sunny Sunny Sunny Mostly sunny
    Minimum 20° 19° 20° 18° 17° 17° 18°
    Maximum 39° 41° 42° 37° 37° 39° 35°
    Chance of rain 5% 5% 5% 5% 5% 5% 30%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme 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 21
    (km/h)
    5
    (km/h)
    17
    (km/h)
    12
    (km/h)
    16
    (km/h)
    19
    (km/h)
    14
    (km/h)
    13
    (km/h)
    10
    (km/h)
    12
    (km/h)
    11
    (km/h)
    21
    (km/h)
    16
    (km/h)
    25
    (km/h)
    Wind direction NNE E NNE WNW ENE WNW ESE W S WSW ENE NW WNW W
    Relative humidity 17% 9% 13% 8% 15% 9% 29% 13% 43% 17% 42% 15% 45% 31%
    Dew point 4°C 1°C 2°C 1°C 4°C 3°C 9°C 5°C 13°C 9°C 13°C 8°C 15°C 15°C
  9. 28 Day Rainfall forecast

    Williams Rain Forecast


    Williams 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    13
    14
    15
    16
    17
    18
    19
    LOW
    20
    21
    22
    23
    24
    LOW
    25
    26
    LOW
    27
    LOW
    28
    LOW
    29
    30
    LOW
    31
    Jan 1
    2
    3
    LOW
    4
    LOW
    5
    LOW
    6
    LOW
    7
    8
    LOW
    9
    10
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Dec13

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, New Zealand, 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 24 December to 28 December, 30 December to 3 January, and 3 January to 7 January. Rain events originating in the tropics and moving south are possible about 22 December to 26 December, 26 December to 30 December, and 7 January to 11 January. Over Western Australia the strongest cold fronts should occur about 18 December to 22 December, 30 December to 3 January, and 8 January to 12 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

    Williams Rain Forecast


    Williams 12-month Rainfall Forecast
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    2019
    2020
    6
    8
    6
    7
    5
    6
    6
    5
    5
    6
    5
    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 Dec 11

    ENSO status: Neutral IOD status: Positive SAM status: Negative Sea surface temperatures (SSTs) across the equatorial central Pacific continued to exhibit a slight warming during November. The Nino3.4 index lingered between 0.6 and 0.7 throughout the month of November. However, this has dropped to 0.4 since early December. On the other hand, the Southern Oscillation Index (SOI) recorded a value of -9.3 in November. The current outlook continues to suggest warmer than average SSTs will persist across the equatorial Pacific Ocean through the coming months, but remaining within neutral values. Seven out of eight international models maintain a warmer than average equatorial Pacific Ocean through the first quarter of 2020, none of these reaching El Nino thresholds. The IRI ENSO forecast continues to suggest a less than 40% chance of another El Nino developing over the next 6 months, with a neutral ENSO the most likely outcome. To the west of Australia, the Indian Ocean Dipole (IOD) remains in the positive side of neutral, though it has significant strength after peaking in October . All six international models maintain a positive event until January. In terms of rainfall across Australia, there is little variation to the outlook issued last month across the west. However, the climate outlook for the eastern states has seen a significant drying over the past 2 months. The current outlook now favours a clearer below average rainfall signal for the eastern states. This however, excludes any extreme weather events such as tropical cyclones in Qld or East Coast Lows. For northern Australia, the current outlook favours a late onset of the North Australian Monsoon (NAM) across the Northern Territory and Queensland. Usually, Darwin tends to see the onset of NAM around christmas day. Further south, a negative trend in the Southern Annular Mode (SAM) continues to enhance frontal activity over southern SA, Victoria, Tasmania and southern NSW. This has offset the Positive IOD in far southern Victoria and western Tasmania, which continue to see average-to-above average rainfall odds through December and early January. 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 suggests neutral odds for the second half of summer.

  11. Long range rainfall forecast

    Williams Rain Forecast


    Williams 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    13
    14
    15
    16
    17
    18
    19
    LOW
    20
    21
    22
    23
    24
    LOW
    25
    26
    LOW
    27
    LOW
    28
    LOW
    29
    30
    LOW
    31
    Jan 1
    2
    3
    LOW
    4
    LOW
    5
    LOW
    6
    LOW
    7
    8
    LOW
    9
    10
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Dec13

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, New Zealand, 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 24 December to 28 December, 30 December to 3 January, and 3 January to 7 January. Rain events originating in the tropics and moving south are possible about 22 December to 26 December, 26 December to 30 December, and 7 January to 11 January. Over Western Australia the strongest cold fronts should occur about 18 December to 22 December, 30 December to 3 January, and 8 January to 12 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

    Williams Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Monday
    Dec 09
    10.5 °C 29.0 °C
    0.0 mm
    Tuesday
    Dec 10
    11.8 °C 32.0 °C
    0.0 mm
    Wednesday
    Dec 11
    12.6 °C 32.7 °C
    0.0 mm
    Thursday
    Dec 12
    13.4 °C 35.5 °C
    0.0 mm
    Friday
    Dec 13
    17.0 °C -
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Williams minimum temp history (33.0266°S, 116.8788°E, 260m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 40.2° 06/12/2019 Coldest this month 8.5° 01/12/2019
    Hottest on record 43.2 19/12/1954 Coldest on record 1.8 11/12/1955
    Hottest this year 41.6° 20/01/2019 Coldest this year -0.5° 05/09/2019
    Long term average 28.9° Long term average 12.4°
    Average this month 33.4° Average this month 13.8°
    Hottest December On Record Avg. max. temp. 32.3° 1972 Coldest December on record Avg. min. temp. 9.4° 1944
    Williams rainfall history (33.0266°S, 116.8788°E, 260m AMSL)
    RAINFALL
    Wettest This Month 0.6mm 07/12/2019 Total This Month 0.8mm
    2.0 days
    Long Term Average 14.6mm 3.0 days Wettest December on record 143.1mm 1972
  15. Popup - Radar

    Weather Radar for WA

  16. Year to Date

    Williams Year To Date

    Average Rainfall To Dec 489.3mm 98.3 day(s)
    Total For 2019 331.6mm 77.0 day(s)
    Total To This Day 2018 497.6mm 100.0 day(s)
    Wettest Day 25.8mm Jun23
    Lowest Temperature -0.5°C Sep 5
    Highest Temperature 41.6°C Jan20
  17. Popup - Monthly historical

  18. Climatology

    Williams Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 31.0 30.2 27.3 23.0 18.5 15.5 14.6 15.3 17.7 21.1 25.6 28.9 22.4
    Mean Min (°C) 14.2 14.4 13.1 10.5 7.9 6.3 5.2 5.2 6.0 7.4 10.1 12.4 9.3
    Mean Rain (mm) 13.2 17.0 20.9 29.8 62.7 84.0 85.8 66.8 44.5 31.3 18.7 14.6 485.7
    Mean Rain Days 2.4 2.9 3.8 6.2 11.0 14.4 15.6 14.2 11.2 8.4 5.2 3.0 91.8