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Forecast

Perth (31.9554°S, 115.8586°E, 5m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Mostly sunny 18° 27°
    mostly sunny
    Chance of rain: 60%
    Likely amount: < 1mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    5:12am WST 5:38am WST 7:21pm WST 7:47pm WST
    NOW
    26.1° Feels Like: 25.4°
    Relative Humidity: 56%
    Dew: 16.6°
    Wind: WSW 15km/h
    Gust: 28km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1008.3hPa

  3. Today Weather

    Perth
    Now
    25.5°c
    Feels Like:
    24.9°
    Wind:
    W 17km/h
    Gusts:
    24km/h
    Humidity:
    62%
    Mostly sunny
     
    18°
    Min
    27°
    Max
    Today in Perth
    Partly cloudy. Light winds becoming W/SW 15 to 25 km/h in the middle of the day then becoming light in the evening.
    Tomorrow
    Possible shower
    19°
    Min
    23°
    Max
    Partly cloudy. Medium chance of showers in the morning and early afternoon. Winds S/SW 20 to 30 km/h becoming light in the late evening.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Partly cloudy. Light winds becoming W/SW 15 to 25 km/h in the middle of the day then becoming light in the evening.

    Forecast for Perth (31.9554°S, 115.8586°E, 5m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Mostly sunny Possible shower Mostly sunny Sunny Sunny Sunny Mostly sunny
    Minimum 18° 19° 13° 15° 16° 19° 22°
    Maximum 27° 23° 24° 30° 35° 37° 38°
    Chance of rain 60% 30% 5% 5% 5% 5% 20%
    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 16
    (km/h)     		24
    (km/h)     		25
    (km/h)     		33
    (km/h)     		16
    (km/h)     		28
    (km/h)     		21
    (km/h)     		19
    (km/h)     		28
    (km/h)     		19
    (km/h)     		29
    (km/h)     		15
    (km/h)     		28
    (km/h)     		20
    (km/h)
    Wind direction SW WSW WSW SW SSE SW ESE SSW E SE E SE E E
    Relative humidity 64% 53% 68% 53% 49% 41% 47% 28% 46% 23% 38% 21% 27% 19%
    Dew point 16°C 16°C 16°C 13°C 9°C 10°C 10°C 10°C 12°C 11°C 11°C 12°C 9°C 10°C

  9. 28 Day Rainfall forecast

    Perth Rain Forecast

    Perth 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    29
    MEDIUM
    30
    MEDIUM
    31
    Feb 1
    2
    3
    4
    LOW
    5
    MEDIUM
    6
    LOW
    7
    8
    9
    10
    LOW
    11
    12
    13
    14
    15
    LOW
    16
    17
    18
    19
    20
    MEDIUM
    21
    LOW
    22
    LOW
    23
    24
    25
    26
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jan29

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are seven main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, eastern Australia, 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 7 February to 11 February, 19 February to 23 February, and 2 March to 6 March. Rain events originating in the tropics and moving south are possible about 7 February to 11 February, 25 February to 29 February, and 29 February to 4 March. Over Western Australia the strongest cold fronts should occur about 5 February to 9 February, and 14 February to 18 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

    Perth Rain Forecast

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

    Perth Rain Forecast

    Perth 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    29
    MEDIUM
    30
    MEDIUM
    31
    Feb 1
    2
    3
    4
    LOW
    5
    MEDIUM
    6
    LOW
    7
    8
    9
    10
    LOW
    11
    12
    13
    14
    15
    LOW
    16
    17
    18
    19
    20
    MEDIUM
    21
    LOW
    22
    LOW
    23
    24
    25
    26
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jan29

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are seven main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, eastern Australia, 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 7 February to 11 February, 19 February to 23 February, and 2 March to 6 March. Rain events originating in the tropics and moving south are possible about 7 February to 11 February, 25 February to 29 February, and 29 February to 4 March. Over Western Australia the strongest cold fronts should occur about 5 February to 9 February, and 14 February to 18 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

    Perth Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Saturday
    Jan 25     		18.1 °C 32.0 °C
    0.0 mm
    Sunday
    Jan 26     		19.5 °C 36.3 °C
    0.0 mm
    Monday
    Jan 27     		22.6 °C 39.9 °C
    0.0 mm
    Tuesday
    Jan 28     		19.6 °C 35.2 °C
    0.0 mm
    Wednesday
    Jan 29     		18.8 °C -
    0.0 mm
    Legend

  14. Almanac

    Almanac

    Perth minimum temp history (31.9554°S, 115.8586°E, 5m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 39.9° 27/01/2020 Coldest this month 12.7° 04/01/2020
    Hottest on record 44.4 05/01/2015 Coldest on record 8.9 25/01/2001
    Hottest this year 39.9° 27/01/2020 Coldest this year 12.7° 04/01/2020
    Long term average 31.2° Long term average 18.1°
    Average this month 31.0° Average this month 17.4°
    Hottest January On Record Avg. max. temp. 33.5° 2012 Coldest January on record Avg. min. temp. 16.6° 2007
    Perth rainfall history (31.9554°S, 115.8586°E, 5m AMSL)
    RAINFALL
    Wettest This Month 1.6mm 03/01/2020 Total This Month 1.8mm
    2.0 days
    Long Term Average 16.7mm 2.8 days Wettest January on record 139.0mm 2012

  15. Popup - Radar

    Weather Radar for WA

  16. Year to Date

    Perth Year To Date

    Average Rainfall To Jan 16.7mm 2.8 day(s)
    Total For 2020 1.8mm 2.0 day(s)
    Total To This Day 2019 7.2mm 4.0 day(s)
    Wettest Day 1.6mm Jan 3
    Lowest Temperature 12.7°C Jan 4
    Highest Temperature 39.9°C Jan27

  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Perth Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 31.2 31.6 29.6 25.9 22.3 19.4 18.4 19.1 20.3 23.4 26.6 29.1 24.8
    Mean Min (°C) 18.1 18.3 16.6 13.8 10.5 8.6 7.7 8.3 9.5 11.5 14.3 16.3 12.8
    Mean Rain (mm) 16.7 13.6 20.4 36.3 90.3 126.0 144.5 122.4 87.2 38.6 23.3 10.1 727.1
    Mean Rain Days 2.8 2.3 4.6 6.8 11.5 14.9 17.0 15.8 14.8 8.9 5.8 3.6 105.0

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