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Forecast

Castle Hill (33.7323°S, 151.0056°E, 118m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TOMORROW
    Mostly cloudy 19° 25°
    mostly cloudy
    Chance of rain: 40%
    Likely amount: 1-5mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    5:40am EDT 6:08am EDT 8:07pm EDT 8:35pm EDT
    NOW
    22.0° Feels Like: 20.5°
    Relative Humidity: 70%
    Dew: 16.3°
    Wind: S 19km/h
    Gust: 28km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Castle Hill
    Now
    21.2°c
    Feels Like:
    20.2°
    Wind:
    S 13km/h
    Gusts:
    22km/h
    Humidity:
    67%
    Mostly cloudy
     
    19°
    Min
    25°
    Max
    Today in Castle Hill
    Partly cloudy. Medium chance of showers, most likely at night. Winds S 25 to 35 km/h tending SE 20 to 30 km/h in the morning then becoming light in the late evening.
    Tomorrow
    Mostly cloudy
    19°
    Min
    25°
    Max
    Partly cloudy. Medium chance of showers, most likely in the early morning. The chance of a thunderstorm in the morning and early afternoon. Light winds becoming S/SE 25 to 35 km/h in the middle of the day then 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. Medium chance of showers, most likely at night. Winds S 25 to 35 km/h tending SE 20 to 30 km/h in the morning then becoming light in the late evening.

    Forecast for Castle Hill (33.7323°S, 151.0056°E, 118m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Mostly cloudy Late shower Mostly sunny Mostly sunny Fog then sunny Late thunder Showers
    Minimum 19° 19° 18° 19° 21° 25° 19°
    Maximum 25° 27° 27° 29° 33° 37° 22°
    Chance of rain 40% 40% 5% 10% 20% 70% 90%
    Likely amount 1-5mm < 1mm < 1mm < 1mm < 1mm 1-5mm 1-5mm
    UV index Extreme Very High Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating Moderate 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 15
    (km/h)
    16
    (km/h)
    9
    (km/h)
    24
    (km/h)
    4
    (km/h)
    14
    (km/h)
    4
    (km/h)
    19
    (km/h)
    8
    (km/h)
    15
    (km/h)
    9
    (km/h)
    16
    (km/h)
    16
    (km/h)
    19
    (km/h)
    Wind direction S SSE SW S SW E SSW E NNE ENE N SSE S SSE
    Relative humidity 65% 62% 77% 61% 72% 55% 74% 59% 77% 52% 58% 52% 76% 75%
    Dew point 16°C 16°C 19°C 18°C 18°C 16°C 20°C 19°C 21°C 21°C 23°C 21°C 17°C 16°C
  9. 28 Day Rainfall forecast

  10. 12 Month Rainfall Forecast

    Castle Hill Rain Forecast


    Castle Hill 12-month Rainfall Forecast
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    2025
    6
    8
    7
    9
    6
    7
    7
    5
    6
    5
    3
    4
    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: La Niña-like conditions. IOD status: Neutral. SAM status: Negative. Trending slightly negative. The El Niño Southern Oscillation (ENSO) is in a La Niña-like pattern. Recent conditions show some atmosphere-ocean coupling, resulting in the US declaring a La Niña event has started. A La Niña typically increases rainfall over northern and eastern Australia, while reducing rainfall over southern coastal Australia and western Tas. The Indian Ocean Dipole (IOD) is in a neutral phase and does not play a part in Australia's climate during this time of year. The Southern Annular Mode (SAM) is in a negative phase. Recent forecasts show negative SAM is more likely to dominate for the remainder of summer, due to the polar vortex taking an unusually long time to recover from the stratospheric warming event in winter 2024. During summer, a negative SAM decreases rainfall over most of southeastern Australia, and increases rainfall for far southwest WA and western Tas. Rainfall outlooks are showing above average rainfall over large parts of the country during summer, with closer to average conditions for the southwest corner of WA, southern SA and Vic, and central parts of Tas.

  11. Popup - Daily historical

  12. Long range rainfall forecast

  13. Past 5 Days

    Castle Hill Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Saturday
    Jan 18
    17.2 °C 24.6 °C
    4.6 mm
    Sunday
    Jan 19
    16.6 °C 23.8 °C
    4.4 mm
    Monday
    Jan 20
    14.6 °C 27.2 °C
    0.0 mm
    Tuesday
    Jan 21
    15.2 °C 29.0 °C
    0.0 mm
    Wednesday
    Jan 22
    18.8 °C -
    0.2 mm
    Legend
  14. Almanac

    Almanac


    Castle Hill minimum temp history (33.7323°S, 151.0056°E, 118m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 37.2° 06/01/2025 Coldest this month 14.6° 20/01/2025
    Hottest on record 45.5 18/01/2013 Coldest on record 10.1 02/01/1997
    Hottest this year 37.2° 06/01/2025 Coldest this year 14.6° 20/01/2025
    Long term average 28.6° Long term average 17.7°
    Average this month 27.6° Average this month 18.7°
    Hottest January On Record Avg. max. temp. 31.7° 2017 Coldest January on record Avg. min. temp. 15.1° 1997
    Castle Hill rainfall history (33.7323°S, 151.0056°E, 118m AMSL)
    RAINFALL
    Wettest This Month 30.0mm 16/01/2025 Total This Month 99.8mm
    11.0 days
    Long Term Average 105.2mm 12.2 days Wettest January on record 318.6mm 2016
    Driest on record 6.8mm 1985
  15. Year to Date

    Castle Hill Year To Date

    Average Rainfall To Jan 105.2mm 12.2 day(s)
    Total For 2025 99.8mm 11.0 day(s)
    Total To This Day 2024 194.8mm 12.0 day(s)
    Wettest Day 30.0mm Jan16
    Lowest Temperature 14.6°C Jan20
    Highest Temperature 37.2°C Jan 6
  16. Popup - Radar

    Weather Radar for Australia

  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Castle Hill Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 28.6 27.9 26.4 23.8 20.6 17.8 17.5 19.2 21.8 24.0 25.5 27.6 23.4
    Mean Min (°C) 17.7 17.6 16.0 12.9 9.8 7.5 6.3 7.2 9.4 12.1 14.2 16.3 12.2
    Mean Rain (mm) 105.2 130.5 121.9 89.9 67.7 89.4 50.1 54.6 49.8 68.5 83.3 72.5 982.1
    Mean Rain Days 12.2 12.2 13.2 10.0 10.3 11.3 8.8 8.2 8.3 10.3 11.4 10.5 126.4