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Forecast

St Helens (41.3205°S, 148.2493°E, 5m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Mostly cloudy 17°
    mostly cloudy
    Chance of rain: 60%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:32am EST 7:02am EST 5:05pm EST 5:34pm EST
    NOW
    7.7° Feels Like: 5.3°
    Relative Humidity: 99%
    Dew: 7.6°
    Wind: N 9km/h
    Gust: 11km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1014.8hPa
  3. Today Weather

    St Helens
    Now
    8.9°c
    Feels Like:
    5.1°
    Wind:
    W 19km/h
    Gusts:
    24km/h
    Humidity:
    100%
    Mostly cloudy
     
    Min
    17°
    Max
    Today in St Helens
    Partly cloudy. Areas of fog and frost in the N in the early morning. Slight chance of a shower about higher ground in the evening. Near zero chance of rain elsewhere. Winds NW 25 to 40 km/h increasing to 30 to 45 km/h in the late evening. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching between 12 and 17.
    Tomorrow
    Showers
    11°
    Min
    17°
    Max
    Cloudy. Very high chance of showers, most likely in the morning and afternoon. Winds NW 30 to 45 km/h turning SW 25 to 35 km/h in the morning. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching between 12 and 17.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Partly cloudy. Areas of fog and frost in the N in the early morning. Slight chance of a shower about higher ground in the evening. Near zero chance of rain elsewhere. Winds NW 25 to 40 km/h increasing to 30 to 45 km/h in the late evening. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching between 12 and 17.

    Forecast for St Helens (41.3205°S, 148.2493°E, 5m AMSL)
      Sun Mon Tue Wed Thu Fri Sat
    Summary Mostly cloudy Showers Mostly sunny Mostly sunny Possible shower Possible shower Mostly sunny
    Minimum 11°
    Maximum 17° 17° 13° 16° 18° 16° 15°
    Chance of rain 60% 80% 10% 10% 60% 20% 20%
    Likely amount < 1mm 1-5mm < 1mm < 1mm 1-5mm 1-5mm < 1mm
    UV index Low Low Low Low - - -
    Frost risk Nil Nil Slight Slight Nil Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 12
    (km/h)
    25
    (km/h)
    29
    (km/h)
    18
    (km/h)
    15
    (km/h)
    12
    (km/h)
    6
    (km/h)
    14
    (km/h)
    20
    (km/h)
    24
    (km/h)
    12
    (km/h)
    11
    (km/h)
    13
    (km/h)
    14
    (km/h)
    Wind direction NNW NNW NNW SSW SW SSE NW N NNW NNW WNW W WSW SW
    Relative humidity 73% 69% 82% 78% 63% 55% 73% 64% 82% 73% 71% 60% 69% 60%
    Dew point 6°C 10°C 13°C 11°C 1°C 4°C 5°C 9°C 12°C 12°C 6°C 8°C 5°C 7°C
  9. 28 Day Rainfall forecast

    St Helens Rain Forecast


    St Helens 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    9
    10
    HIGH
    11
    12
    LOW
    13
    MEDIUM
    14
    15
    LOW
    16
    17
    MEDIUM
    18
    19
    20
    LOW
    21
    LOW
    22
    23
    24
    LOW
    25
    HIGH
    26
    LOW
    27
    MEDIUM
    28
    LOW
    29
    LOW
    30
    31
    LOW
    Jun 1
    MEDIUM
    2
    LOW
    3
    MEDIUM
    4
    MEDIUM
    5
    MEDIUM
    6
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued May 8

    Issue 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 southwest 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 22 May to 26 May, 1 June to 5 June, and 6 June to 10 June. Rain events originating in the tropics and moving south are possible about 13 May to 17 May, and 17 May to 21 May. Over Western Australia the strongest cold fronts should occur about 21 May to 25 May, 1 June to 5 June, and 8 June to 12 June.

    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

    St Helens Rain Forecast


    St Helens 12-month Rainfall Forecast
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    2021
    2022
    7
    7
    5
    7
    7
    6
    6
    4
    8
    6
    7
    5
    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 14

    ENSO status: Neutral. IOD status: Neutral, potentially trending negative during winter. SAM status: Positive. La Niña has concluded, with neutral conditions expected until at least the end of Autumn. A few models are predicting La Niña conditions to return later this year, while the majority of models predict neutral conditions. While La Niña has returned to neutral, the oceans around northern Australia are warmer than normal. This is expected to generate above normal rainfall for much of Australia during the next month or so. Some models are suggesting a negative Indian Ocean Dipole (IOD) may develop during winter, which would increase rainfall across parts of Australia during winter. During Autumn, many parts of Australia are likely to be wetter than normal, due to warmer waters off the northern coast of Australia. Southern parts of SA, VIC, most of TAS and southwest WA are likely to observe normal precipitation for the time of year. During winter, much of the Australia is likely to bewetter than normal, apart from far southwestern WA, southern VIC and much of TAS. The negative IOD may be playing a part in this, potentially feeding moisture into cold fronts sweeping across Australia's snowfields. Therefore a normal to above normal snow season is forecast.

  11. Long range rainfall forecast

    St Helens Rain Forecast


    St Helens 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    9
    10
    HIGH
    11
    12
    LOW
    13
    MEDIUM
    14
    15
    LOW
    16
    17
    MEDIUM
    18
    19
    20
    LOW
    21
    LOW
    22
    23
    24
    LOW
    25
    HIGH
    26
    LOW
    27
    MEDIUM
    28
    LOW
    29
    LOW
    30
    31
    LOW
    Jun 1
    MEDIUM
    2
    LOW
    3
    MEDIUM
    4
    MEDIUM
    5
    MEDIUM
    6
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued May 8

    Issue 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 southwest 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 22 May to 26 May, 1 June to 5 June, and 6 June to 10 June. Rain events originating in the tropics and moving south are possible about 13 May to 17 May, and 17 May to 21 May. Over Western Australia the strongest cold fronts should occur about 21 May to 25 May, 1 June to 5 June, and 8 June to 12 June.

    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

    St Helens Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Tuesday
    May 04
    8.1 °C 14.6 °C
    2.2 mm
    Wednesday
    May 05
    5.4 °C 16.6 °C
    0.2 mm
    Thursday
    May 06
    7.2 °C 16.1 °C
    0.0 mm
    Friday
    May 07
    10.1 °C 18.6 °C
    5.6 mm
    Saturday
    May 08
    12.9 °C 19.6 °C
    0.8 mm
    Legend
  14. Almanac

    Almanac


    St Helens minimum temp history (41.3205°S, 148.2493°E, 5m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 19.9° 03/05/2021 Coldest this month 5.4° 05/05/2021
    Hottest on record 23.7 09/05/2002 Coldest on record 0.0 23/05/2001
    Hottest this year 36.0° 25/01/2021 Coldest this year 2.8° 16/04/2021
    Long term average 16.1° Long term average 7.3°
    Average this month 18.1° Average this month 8.8°
    Hottest May On Record Avg. max. temp. 17.9° 2007 Coldest May on record Avg. min. temp. 5.9° 2011
    St Helens rainfall history (41.3205°S, 148.2493°E, 5m AMSL)
    RAINFALL
    Wettest This Month 5.6mm 07/05/2021 Total This Month 9.8mm
    6.0 days
    Long Term Average 48.7mm 13.5 days Wettest May on record 179.0mm 2012
    Driest on record 6.4mm 2009
  15. Popup - Radar

    Weather Radar for Australia

  16. Year to Date

    St Helens Year To Date

    Average Rainfall To May 288.2mm 53.7 day(s)
    Total For 2021 294.0mm 43.0 day(s)
    Total To This Day 2020 322.4mm 45.0 day(s)
    Wettest Day 57.2mm Mar25
    Lowest Temperature 2.8°C Apr16
    Highest Temperature 36.0°C Jan25
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    St Helens Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 23.0 22.0 21.1 18.6 16.1 14.1 13.6 14.2 16.1 17.6 19.6 21.3 18.1
    Mean Min (°C) 13.4 13.4 11.8 9.7 7.3 5.5 4.8 5.1 6.6 8.1 10.3 11.8 8.9
    Mean Rain (mm) 68.8 58.6 62.6 49.5 48.7 60.2 44.4 55.9 54.9 59.7 80.6 59.3 702.2
    Mean Rain Days 8.4 10.4 9.5 11.9 13.5 17.2 17.2 15.4 12.2 12.0 11.2 10.5 148.2