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Forecast

Mount Saint Thomas (34.4429°S, 150.8739°E, 16m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Sunny 15°
    Chance of rain: 50%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:19am EST 6:45am EST 5:20pm EST 5:46pm EST
    NOW
    9.8° Feels Like: 1.8°
    Relative Humidity: 46%
    Dew: -1.3°
    Wind: W 30km/h
    Gust: 52km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Mount Saint Thomas
    Now
    9.6°c
    Feels Like:
    0.9°
    Wind:
    W 35km/h
    Gusts:
    48km/h
    Humidity:
    54%
    Sunny
     
    Min
    15°
    Max
    Today in Mount Saint Thomas
    Sunny. Areas of morning frost. Winds W/SW 15 to 20 km/h becoming light in the morning. Overnight temperatures falling to between minus 1 and 4 above zero with daytime temperatures reaching between 11 and 15.
    Tomorrow
    Rain
    Min
    14°
    Max
    Cloudy. Very high (near 100%) chance of rain. Light winds becoming E 15 to 20 km/h in the late afternoon then becoming light in the evening. Overnight temperatures falling to between 1 and 7 with daytime temperatures reaching between 8 and 13.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Sunny. Areas of morning frost. Winds W/SW 15 to 20 km/h becoming light in the morning. Overnight temperatures falling to between minus 1 and 4 above zero with daytime temperatures reaching between 11 and 15.

    Forecast for Mount Saint Thomas (34.4429°S, 150.8739°E, 16m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Sunny Rain Showers Showers Showers easing Possible shower Mostly sunny
    Minimum 11° 10° 11° 10° 11°
    Maximum 15° 14° 17° 17° 16° 17° 19°
    Chance of rain 50% 90% 40% 70% 90% 40% 80%
    Likely amount < 1mm 10-20mm 1-5mm 10-20mm 5-10mm < 1mm 1-5mm
    UV index Moderate Moderate Low Low - - -
    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)
    12
    (km/h)
    21
    (km/h)
    9
    (km/h)
    12
    (km/h)
    16
    (km/h)
    25
    (km/h)
    26
    (km/h)
    34
    (km/h)
    13
    (km/h)
    20
    (km/h)
    15
    (km/h)
    22
    (km/h)
    Wind direction W S SSW E WNW ENE W WSW SW SSW SW E NNW N
    Relative humidity 46% 43% 73% 82% 76% 67% 63% 65% 68% 72% 67% 63% 64% 63%
    Dew point 0°C 2°C 8°C 10°C 10°C 10°C 7°C 8°C 8°C 10°C 8°C 9°C 9°C 11°C
  9. 28 Day Rainfall forecast

    Mount Saint Thomas Rain Forecast


    Mount Saint Thomas 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    6
    LOW
    7
    HIGH
    8
    MEDIUM
    9
    HIGH
    10
    MEDIUM
    11
    LOW
    12
    MEDIUM
    13
    LOW
    14
    MEDIUM
    15
    MEDIUM
    16
    LOW
    17
    HIGH
    18
    LOW
    19
    20
    LOW
    21
    MEDIUM
    22
    MEDIUM
    23
    LOW
    24
    LOW
    25
    LOW
    26
    LOW
    27
    LOW
    28
    LOW
    29
    LOW
    30
    LOW
    31
    HIGH
    Sep 1
    HIGH
    2
    LOW
    3
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug 5

    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, eastern Australia, New Zealand, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 14 August to 18 August, 23 August to 27 August, and 28 August to 1 September. Rain events originating in the tropics and moving south are possible about 10 August to 14 August, 19 August to 23 August, and 6 September to 10 September. Over Western Australia the strongest cold fronts should occur about 12 August to 16 August, 21 August to 25 August, and 28 August to 1 September.

    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

    Mount Saint Thomas Rain Forecast


    Mount Saint Thomas 12-month Rainfall Forecast
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    2020
    2021
    9
    7
    8
    7
    8
    6
    10
    4
    6
    7
    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 Aug 5

    ENSO status: La Nina Watch IOD status: Neutral SAM status: Positive Sea surface temperatures (SSTs) across the equatorial central Pacific show a slight decrease in the intensity of cooling compared to June, with the Nino3.4 index registering a value of 0.0 in July. The Southern Oscillation Index (SOI) recorded a value of 4.2 in the same month, a swing into positive values compared to June. The current outlook suggests that cooler than average SSTs will continue across the equatorial pacific through the end of winter and potentially reach La Nina thresholds by mid-spring. All eight international models continue to suggest a cooler side of neutral for the region throughout the remainder of the Austral winter and through spring, with four of these indicating La Nina by Spring. The current International Research Institute for Climate and Society (IRI) outlook suggests a 54:41 chance for La Nina:Neutral conditions by the end of the Austral spring. To the west of Australia, the Indian Ocean Dipole (IOD) remains neutral. Two of the six international models indicate a negative IOD becoming established during the Austral spring, with the remaining four indicating a neutral phase. Of the four neutral models, including the BOM, three are trending slightly negative within the neutral zone by early spring, with only the Canadian model trending positive. In terms of precipitation over Australia, the current short-term outlook favours above average rainfall across most of Australia over the next fortnight, with the exception of western TAS, far southern VIC, and northern QLD and the NT. These expected wetter than average conditions will likely be due to the passage of moisture troughs inland and fronts, in part driven by the positive SAM. Models are then indicating a continued trend to above average rainfall for inland SA, all but the far north of the NT, western, central and southern QLD, northern and western NSW and parts of southern WA. Parts of WA’s Pilbara and Kimberley however are showing signs of below average rainfall into early spring.

  11. Long range rainfall forecast

    Mount Saint Thomas Rain Forecast


    Mount Saint Thomas 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    6
    LOW
    7
    HIGH
    8
    MEDIUM
    9
    HIGH
    10
    MEDIUM
    11
    LOW
    12
    MEDIUM
    13
    LOW
    14
    MEDIUM
    15
    MEDIUM
    16
    LOW
    17
    HIGH
    18
    LOW
    19
    20
    LOW
    21
    MEDIUM
    22
    MEDIUM
    23
    LOW
    24
    LOW
    25
    LOW
    26
    LOW
    27
    LOW
    28
    LOW
    29
    LOW
    30
    LOW
    31
    HIGH
    Sep 1
    HIGH
    2
    LOW
    3
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug 5

    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, eastern Australia, New Zealand, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 14 August to 18 August, 23 August to 27 August, and 28 August to 1 September. Rain events originating in the tropics and moving south are possible about 10 August to 14 August, 19 August to 23 August, and 6 September to 10 September. Over Western Australia the strongest cold fronts should occur about 12 August to 16 August, 21 August to 25 August, and 28 August to 1 September.

    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

    Mount Saint Thomas Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Saturday
    Aug 01
    8.4 °C 19.3 °C
    0.0 mm
    Sunday
    Aug 02
    9.3 °C 17.5 °C
    0.0 mm
    Monday
    Aug 03
    8.5 °C 21.8 °C
    0.0 mm
    Tuesday
    Aug 04
    10.2 °C 21.0 °C
    0.0 mm
    Wednesday
    Aug 05
    7.2 °C 15.9 °C
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Mount Saint Thomas minimum temp history (34.4429°S, 150.8739°E, 16m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 21.8° 03/08/2020 Coldest this month 7.2° 05/08/2020
    Hottest on record 26.7 23/08/2012 Coldest on record 5.7 19/08/2008
    Hottest this year 39.6° 23/01/2020 Coldest this year 7.2° 05/08/2020
    Long term average 18.0° Long term average 10.6°
    Average this month 18.5° Average this month 8.7°
    Hottest August On Record Avg. max. temp. 19.9° 2009 Coldest August on record Avg. min. temp. 8.8° 2008
    Mount Saint Thomas rainfall history (34.4429°S, 150.8739°E, 16m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/08/2020 Total This Month 0.0mm
    0.0 days
    Long Term Average 98.3mm 8.3 days Wettest August on record 682.0mm 1998
    Driest on record 2.4mm 2005
  15. Popup - Radar

    Weather Radar for NSW/ACT

  16. Year to Date

    Mount Saint Thomas Year To Date

    Average Rainfall To Aug 869.8mm 86.8 day(s)
    Total For 2020 990.4mm 83.0 day(s)
    Total To This Day 2019 558.4mm 68.0 day(s)
    Wettest Day 137.4mm Feb10
    Lowest Temperature 7.2°C Aug 5
    Highest Temperature 39.6°C Jan23
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Mount Saint Thomas Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 24.9 24.8 24.0 22.1 19.8 17.7 16.9 18.0 20.1 21.7 22.3 24.0 21.3
    Mean Min (°C) 19.1 19.2 18.2 15.6 13.1 11.2 10.1 10.6 12.5 14.0 15.8 17.5 14.7
    Mean Rain (mm) 83.2 140.0 133.0 118.7 85.6 129.7 81.3 98.3 57.3 75.9 102.8 76.5 1178.0
    Mean Rain Days 12.1 13.3 13.8 11.1 8.9 10.2 9.1 8.3 9.2 10.9 12.9 11.9 125.6