Forecast
Mortlake (38.0812°S, 142.808°E, 135m AMSL) set as my default location ›
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My MLA
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Current condition
TODAY19° 25° possible shower Chance of rain: 70% Likely amount: 1-5mm First
lightLast light Sunrise Sunset 7:05am EDT 7:31am EDT 7:42pm EDT 8:08pm EDT NOW21.8° Feels Like: 19.9° Relative Humidity: 75% Dew: 17.3° Wind: W 22km/h Gust: 28km/h Rainfall since 9am: 0.0mm Pressure: 1024.9hPa -
Today Weather
MortlakeNow20.4°cFeels Like:17.4°Wind:W 26km/hGusts:33km/hHumidity:76%19°Min25°MaxToday in MortlakePartly cloudy. High chance of showers. The chance of a thunderstorm in the E. Winds N 20 to 30 km/h increasing to 35 km/h before shifting SW 20 to 30 km/h in the afternoon. Daytime maximum temperatures in the low to mid 20s.Tomorrow9°Min17°MaxPartly cloudy. Medium chance of showers near the Otways, most likely in the morning and early afternoon. Winds SW 25 to 35 km/h turning S in the afternoon then decreasing to 15 to 25 km/h in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching around 18. -
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Warnings
There are no current warnings for Mortlake
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7 day forecast
Today: Partly cloudy. High chance of showers. The chance of a thunderstorm in the E. Winds N 20 to 30 km/h increasing to 35 km/h before shifting SW 20 to 30 km/h in the afternoon. Daytime maximum temperatures in the low to mid 20s.
Forecast for Mortlake (38.0812°S, 142.808°E, 135m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary Minimum 19° 9° 5° 5° 8° 5° 5° Maximum 25° 17° 20° 21° 21° 21° 25° Chance of rain 70% 30% 5% 5% 10% 10% 70% Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Very High High High High High High High Fire Danger Rating High High Moderate Moderate No Rating - - Frost risk Nil Nil Slight Slight Nil Slight Slight 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 24
(km/h)23
(km/h)19
(km/h)26
(km/h)5
(km/h)12
(km/h)6
(km/h)17
(km/h)10
(km/h)18
(km/h)11
(km/h)19
(km/h)13
(km/h)21
(km/h)Wind direction NNW W WSW SW W S S SW S SSW WNW WSW NW WSW Relative humidity 60% 53% 72% 39% 79% 40% 88% 43% 88% 45% 85% 47% 84% 43% Dew point 16°C 13°C 7°C 2°C 6°C 5°C 8°C 6°C 10°C 7°C 9°C 8°C 8°C 10°C -
28 Day Rainfall forecast
Mortlake Rain Forecast
Mortlake 28-day Rainfall ForecastSUNMONTUEWEDTHUFRISAT19
20
21
CHANCE OF RAINFALL WITHIN DISTRICTNIL < 25%LOW 25% to 50%MEDIUM 50% to 75%HIGH ≥ 75%Issued Mar19Issue 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 the Indian Ocean, eastern Australia, the southeast Pacific, and the Atlantic Ocean.
Summary:
Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 2024-03-18, 2024-03-23 and 2024-04-05. Rain events originating in the tropics and moving south are possible about 2024-03-18, 2024-03-23 and 2024-03-28. Over Western Australia the strongest cold fronts should occur about 2024-03-18 and 2024-03-23.
Forecast ExplanationThis 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.
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12 Month Rainfall Forecast
Mortlake Rain Forecast
Mortlake 12-month Rainfall ForecastMarAprMayJunJulAugSepOctNovDecJanFeb20242025664544666796105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued Mar 5
ENSO status: El Niño, breaking down. IOD status: Neutral. SAM status: Neutral, trending slightly positive. The El Niño Southern Oscillation (ENSO) is in an El Niño and is starting to break down. All international models indicate neutral conditions should return by late April or early May. The Southern Oscillation Index (SOI) is back below the threshold of -7, but is varying significantly with tropical activity over Australia and the Pacific. Waters in the Coral Sea are far warmer than normal, especially for an El Niño, and are offsetting the effects of this event. El Niño only has a small effect during autumn, typically increasing rainfall over the Nullarbor and SA, but having little effect elsewhere. The Indian Ocean Dipole (IOD) is in a neutral phase. Ocean temperatures are high across most of the Indian Ocean, with only cooler waters near the WA coast. The IOD has little to no effect during autumn. The Southern Annular Mode (SAM) is neutral and will slightly favour a positive phase during March and April and return closer to true neutral in May. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east. As we go closer to winter, a positive SAM also reduces cold fronts and rainfall over southern Australia. Rainfall outlooks are predicting average rainfall for the vast majority of Australia throughout autumn. There are some weak signals that southwest WA could be slightly drier than normal in April, and southeast Qld and NSW could be slightly wetter during May, but otherwise near average.
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Popup - Daily historical
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Long range rainfall forecast
Mortlake Rain Forecast
Mortlake 28-day Rainfall ForecastSUNMONTUEWEDTHUFRISAT19
20
21
CHANCE OF RAINFALL WITHIN DISTRICTNIL < 25%LOW 25% to 50%MEDIUM 50% to 75%HIGH ≥ 75%Issued Mar19Issue 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 the Indian Ocean, eastern Australia, the southeast Pacific, and the Atlantic Ocean.
Summary:
Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 2024-03-18, 2024-03-23 and 2024-04-05. Rain events originating in the tropics and moving south are possible about 2024-03-18, 2024-03-23 and 2024-03-28. Over Western Australia the strongest cold fronts should occur about 2024-03-18 and 2024-03-23.
Forecast ExplanationThis 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.
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Past 5 Days
Mortlake Past 5 Days
This MonthMinimum Maximum Rainfall Friday
Mar 158.9 °C 25.9 °C 0.0 mmSaturday
Mar 1613.6 °C 30.6 °C 0.0 mmSunday
Mar 1713.7 °C 30.0 °C 0.0 mmMonday
Mar 1811.4 °C 32.1 °C 0.0 mmTuesday
Mar 1919.6 °C 24.7 °C 0.8 mmLegend -
Almanac
Almanac
Mortlake minimum temp history (38.0812°S, 142.808°E, 135m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 39.8° 09/03/2024 Coldest this month 3.2° 08/03/2024 Hottest on record 41.5 26/03/2013 Coldest on record -1.3 27/03/1995 Hottest this year 39.8° 09/03/2024 Coldest this year 2.9° 15/02/2024 Long term average 24.0° Long term average 10.0° Average this month 28.1° Average this month 11.6° Hottest March On Record Avg. max. temp. 28.2° 2013 Coldest March on record Avg. min. temp. 7.2° 1991 Mortlake rainfall history (38.0812°S, 142.808°E, 135m AMSL) RAINFALL Wettest This Month 0.6mm 13/03/2024 Total This Month 1.0mm
3.0 daysLong Term Average 32.5mm 10.7 days Wettest March on record 63.2mm 2011 Driest on record 9.2mm 2000 -
Year to Date
Mortlake Year To Date
Average Rainfall To Mar 101.9mm 25.9 day(s) Total For 2024 59.8mm 17.0 day(s) Total To This Day 2023 94.4mm 20.0 day(s) Wettest Day 26.6mm Jan17 Lowest Temperature 2.9°C Feb15 Highest Temperature 39.8°C Mar 9 -
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Popup - Monthly historical
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Climatology
Climate History
Mortlake Climatology
Mortlake Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 26.3 26.2 24.0 20.0 16.2 13.6 13.0 13.9 15.9 18.2 20.9 23.6 19.3 Mean Min (°C) 11.2 11.4 10.0 8.1 6.6 5.0 4.6 4.8 5.7 6.5 8.1 9.3 7.6 Mean Rain (mm) 37.4 32.0 32.5 43.0 58.5 56.8 61.7 65.9 57.7 55.6 49.0 40.6 589.9 Mean Rain Days 7.8 7.4 10.7 14.2 17.9 18.6 20.2 19.3 18.5 16.9 12.7 11.2 175.8