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Forecast

Grassdale (27.4539°S, 151.1755°E, 353m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Rain 11° 22°
    Chance of rain: 90%
    Likely amount: 20-40mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    5:51am EST 6:14am EST 5:33pm EST 5:57pm EST
    NOW
    20.9° Feels Like: 19.3°
    Relative Humidity: 65%
    Dew: 14.1°
    Wind: SE 15km/h
    Gust: 20km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1018.7hPa

  3. Today Weather

    Grassdale
    Now
    21.2°c
    Feels Like:
    17.7°
    Wind:
    E 24km/h
    Gusts:
    33km/h
    Humidity:
    63%
    Rain
     
    11°
    Min
    22°
    Max
    Today in Grassdale
    Partly cloudy. Very high chance of rain in the N, medium chance elsewhere. Light winds becoming E/SE 15 to 20 km/h in the morning then becoming light in the evening. Daytime maximum temperatures between 19 and 24.
    Tomorrow
    Wind and rain increasing
    13°
    Min
    21°
    Max
    Cloudy. Very high chance of rain in the N, high chance elsewhere. The chance of a thunderstorm. Winds S 15 to 20 km/h turning SE 20 to 30 km/h during the morning. Overnight temperatures falling to around 13 with daytime temperatures reaching the low to mid 20s.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Partly cloudy. Very high chance of rain in the N, medium chance elsewhere. Light winds becoming E/SE 15 to 20 km/h in the morning then becoming light in the evening. Daytime maximum temperatures between 19 and 24.

    Forecast for Grassdale (27.4539°S, 151.1755°E, 353m AMSL)
      Sat Sun Mon Tue Wed Thu Fri
    Summary Rain Wind and rain increasing Windy Mostly sunny Mostly sunny Mostly cloudy Mostly sunny
    Minimum 11° 13° 14° 14° 13° 13° 12°
    Maximum 22° 21° 25° 25° 27° 27° 25°
    Chance of rain 90% 80% 5% 10% 20% 10% 30%
    Likely amount 20-40mm 1-5mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index High High High High High High High
    Fire Danger Rating No Rating Moderate Moderate Moderate - - -
    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 11
    (km/h)     		12
    (km/h)     		22
    (km/h)     		32
    (km/h)     		32
    (km/h)     		32
    (km/h)     		26
    (km/h)     		27
    (km/h)     		15
    (km/h)     		16
    (km/h)     		10
    (km/h)     		20
    (km/h)     		12
    (km/h)     		15
    (km/h)
    Wind direction SE ESE SSE SE SE ESE SE ESE SE SSE SW SSW SSE S
    Relative humidity 69% 78% 89% 73% 68% 52% 71% 51% 76% 47% 71% 41% 67% 43%
    Dew point 13°C 13°C 16°C 15°C 15°C 14°C 16°C 13°C 17°C 14°C 16°C 12°C 13°C 11°C

  9. 28 Day Rainfall forecast

  10. 12 Month Rainfall Forecast

    Grassdale Rain Forecast

    Grassdale 12-month Rainfall Forecast
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    2024
    2025
    10
    7
    6
    6
    5
    5
    5
    7
    6
    7
    4
    8
    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 Apr 16

    ENSO status: Inactive. El Niño ended. IOD status: Neutral, becoming positive. SAM status: Positive, favouring positive. The El Niño Southern Oscillation (ENSO) has returned to an inactive phase for the first time since August 2021. Ocean cooling is occurring in the eastern Pacific, with 3 out of 7 global models forecasting a La Niña to develop in 2024. Warmer than normal waters are situated in the Coral Sea, providing moisture and humidity to the east coast. The atmosphere continues to be firmly neutral after weakening early in the year. A neutral ENSO typically has no significant impact on Australian rainfall during winter. The Indian Ocean Dipole (IOD) is in a neutral phase. Ocean temperatures are high across most of the Indian Ocean, and the IOD index is spiking in response. Persistent southeasterly winds have set in over the eastern Indian Ocean, signalling that the atmosphere is starting to respond to the ocean patterns. All international models are suggesting the IOD will strengthen into apositive phase over the next 2-3 months, with significant upwelling to start near Indonesia possibly in May. A positive IOD reduces the number of northwest cloudbands that cross Australia during winter and spring, reducing rainfall across central and southeastern parts of Australia. The Southern Annular Mode (SAM) is positive and will favour a positive phase during autumn and into winter. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east. A positive SAM also reduces cold fronts and rainfall over southern Australia, particularly for southwest WA. Rainfall outlooks are showing below average rainfall over winter for WA, and the southwest coasts of SA, Vic and Tas. Conversely, above average rainfall is expected for eastern parts of Qld and NSW, and potentially eastern Tas.

  11. Popup - Daily historical

  12. Long range rainfall forecast

  13. Past 5 Days

    Grassdale Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Tuesday
    Apr 16     		10.9 °C 29.2 °C
    0.0 mm
    Wednesday
    Apr 17     		12.6 °C 28.5 °C
    0.0 mm
    Thursday
    Apr 18     		16.1 °C 28.6 °C
    0.0 mm
    Friday
    Apr 19     		10.7 °C 26.5 °C
    0.0 mm
    Saturday
    Apr 20     		8.3 °C 21.0 °C
    0.0 mm
    Legend

  14. Almanac

    Almanac

    Grassdale minimum temp history (27.4539°S, 151.1755°E, 353m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 32.0° 03/04/2024 Coldest this month 5.6° 11/04/2024
    Hottest on record 35.2 04/04/2006 Coldest on record 0.6 29/04/2008
    Hottest this year 38.0° 22/01/2024 Coldest this year 5.6° 11/04/2024
    Long term average 27.2° Long term average 12.5°
    Average this month 27.7° Average this month 13.8°
    Hottest April On Record Avg. max. temp. 29.9° 2016 Coldest April on record Avg. min. temp. 8.7° 2008
    Grassdale rainfall history (27.4539°S, 151.1755°E, 353m AMSL)
    RAINFALL
    Wettest This Month 23.6mm 06/04/2024 Total This Month 45.4mm
    5.0 days
    Long Term Average 17.3mm 3.7 days Wettest April on record 91.2mm 1998
    Driest on record 0.0mm 2019

  15. Year to Date

    Grassdale Year To Date

    Average Rainfall To Apr 235.2mm 23.9 day(s)
    Total For 2024 312.0mm 24.0 day(s)
    Total To This Day 2023 150.8mm 22.0 day(s)
    Wettest Day 73.2mm Jan30
    Lowest Temperature 5.6°C Apr11
    Highest Temperature 38.0°C Jan22

  16. Popup - Radar

    Weather Radar for Australia

  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Grassdale Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 32.6 31.7 30.3 27.2 23.2 20.1 19.8 22.0 25.6 28.5 30.5 31.8 26.9
    Mean Min (°C) 18.8 18.5 16.7 12.5 8.2 5.4 4.1 4.7 8.7 12.6 15.5 17.6 11.9
    Mean Rain (mm) 76.1 76.9 64.9 17.3 38.2 30.0 24.0 21.9 28.0 60.3 69.9 89.9 595.2
    Mean Rain Days 7.3 6.7 6.2 3.7 5.3 5.3 5.1 4.0 4.7 7.3 7.5 8.9 72.0

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