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Forecast

South Johnstone (17.5987°S, 145.9947°E, 13m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Possible shower 19° 26°
    possible shower
    Chance of rain: 60%
    Likely amount: 1-5mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:22am EST 6:46am EST 5:51pm EST 6:14pm EST
    NOW
    21.7° Feels Like: 25.0°
    Relative Humidity: 89%
    Dew: 19.8°
    Wind: W 2km/h
    Gust: 9km/h
    Rainfall since 9am: 0.6mm
    Pressure: 1019.7hPa
  3. Today Weather

    South Johnstone
    Now
    22.9°c
    Feels Like:
    24.9°
    Wind:
    W 13km/h
    Gusts:
    15km/h
    Humidity:
    93%
    Possible shower
     
    19°
    Min
    26°
    Max
    Today in South Johnstone
    Partly cloudy. Medium chance of a shower about the Cassowary Coast, slight chance elsewhere. Winds E 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures 22 to 28.
    Tomorrow
    Fog then sunny
    18°
    Min
    27°
    Max
    Partly cloudy. Medium chance of a shower about the Cassowary Coast, slight chance elsewhere. Light winds becoming E 15 to 20 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to between 14 and 19 with daytime temperatures reaching 22 to 28.
  4. Radar

  5. Popup Radar

  6. Warnings

    There are no current warnings for South Johnstone

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Partly cloudy. Medium chance of a shower about the Cassowary Coast, slight chance elsewhere. Winds E 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures 22 to 28.

    Forecast for South Johnstone (17.5987°S, 145.9947°E, 13m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Possible shower Fog then sunny Possible shower Mostly cloudy Showers easing Rain Showers
    Minimum 19° 18° 18° 19° 18° 19° 18°
    Maximum 26° 27° 27° 24° 24° 24° 24°
    Chance of rain 60% 30% 40% 60% 90% 90% 90%
    Likely amount 1-5mm < 1mm < 1mm 1-5mm 1-5mm 10-20mm 5-10mm
    UV index High High 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 4
    (km/h)
    7
    (km/h)
    3
    (km/h)
    11
    (km/h)
    5
    (km/h)
    12
    (km/h)
    8
    (km/h)
    14
    (km/h)
    10
    (km/h)
    15
    (km/h)
    10
    (km/h)
    15
    (km/h)
    10
    (km/h)
    15
    (km/h)
    Wind direction SSE ESE SSW SSE SW SSE SSW S SSW S S S S SSE
    Relative humidity 98% 77% 90% 67% 89% 72% 85% 75% 89% 72% 96% 84% 94% 80%
    Dew point 20°C 20°C 21°C 19°C 20°C 20°C 19°C 18°C 19°C 17°C 20°C 20°C 20°C 20°C
  9. 28 Day Rainfall forecast

    South Johnstone Rain Forecast


    South Johnstone 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    24
    LOW
    25
    26
    27
    28
    LOW
    29
    MEDIUM
    30
    HIGH
    Jul 1
    MEDIUM
    2
    3
    4
    5
    6
    7
    LOW
    8
    LOW
    9
    LOW
    10
    11
    12
    LOW
    13
    LOW
    14
    LOW
    15
    16
    17
    LOW
    18
    19
    LOW
    20
    LOW
    21
    22
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jun24

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, Western Australia, the south Pacific, 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 30 June to 4 July, 21 July to 25 July, and 25 July to 29 July. Rain events originating in the tropics and moving south are possible about 22 June to 26 June. Over Western Australia the strongest cold fronts should occur about 29 June to 3 July, 3 July to 7 July, and 21 July to 25 July.

    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

    South Johnstone Rain Forecast


    South Johnstone 12-month Rainfall Forecast
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    2021
    2022
    5
    7
    7
    7
    8
    8
    6
    10
    10
    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 Jun 15

    ENSO status: Neutral. IOD status: Neutral, although during the past three weeks it has been negative. SAM status: Positive. The El Niño–Southern Oscillation (ENSO) is currently neutral, which is predicted to continue until at least October. The Indian Ocean Dipole (IOD) is currently neutral. although the last 3 weekly values have been negative.The negative value would need to continue for another 5 weeks for a negative IOD to be declared. While a negative IOD has not been officially declared, the negative weekly value may enhance rainfall across central and southern Australia. A negative IOD is forecast during winter or early spring by 3 out of 5 climate models. However, the confidence in the IOD forecast at this time of the year is low, specifically because the models are showing a range of outcomes from mid winter onwards. During winter, much of the Australia is likely to be wetter than normal, apart from far southern WA and SA, southern VIC and much of TAS. The weekly negative IOD valuesmay be influencing this outlook, potentially feeding moisture into cold fronts sweeping across central and southern Australia. Therefore a normal to above normal snow season is forecast. Springs rainfall at this stage is forecast to be above normal for much of the Australia, apart from western TAS. Again, the negative IOD values may be playing a role in this outlook.

  11. Long range rainfall forecast

    South Johnstone Rain Forecast


    South Johnstone 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    24
    LOW
    25
    26
    27
    28
    LOW
    29
    MEDIUM
    30
    HIGH
    Jul 1
    MEDIUM
    2
    3
    4
    5
    6
    7
    LOW
    8
    LOW
    9
    LOW
    10
    11
    12
    LOW
    13
    LOW
    14
    LOW
    15
    16
    17
    LOW
    18
    19
    LOW
    20
    LOW
    21
    22
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jun24

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, Western Australia, the south Pacific, 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 30 June to 4 July, 21 July to 25 July, and 25 July to 29 July. Rain events originating in the tropics and moving south are possible about 22 June to 26 June. Over Western Australia the strongest cold fronts should occur about 29 June to 3 July, 3 July to 7 July, and 21 July to 25 July.

    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

    South Johnstone Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Jun 20
    12.2 °C 22.7 °C
    0.0 mm
    Monday
    Jun 21
    11.1 °C 24.4 °C
    0.0 mm
    Tuesday
    Jun 22
    15.9 °C 24.3 °C
    0.0 mm
    Wednesday
    Jun 23
    19.3 °C 26.4 °C
    1.0 mm
    Thursday
    Jun 24
    16.8 °C 22.1 °C
    1.8 mm
    Legend
  14. Almanac

    Almanac


    South Johnstone minimum temp history (17.5987°S, 145.9947°E, 13m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 29.0° 17/06/2021 Coldest this month 11.1° 21/06/2021
    Hottest on record 31.0 17/06/2002 Coldest on record 5.4 25/06/1965
    Hottest this year 34.1° 24/03/2021 Coldest this year 11.1° 21/06/2021
    Long term average 24.6° Long term average 16.3°
    Average this month 25.4° Average this month 17.5°
    Hottest June On Record Avg. max. temp. 26.3° 2016 Coldest June on record Avg. min. temp. 11.9° 1982
    South Johnstone rainfall history (17.5987°S, 145.9947°E, 13m AMSL)
    RAINFALL
    Wettest This Month 28.6mm 01/06/2021 Total This Month 66.8mm
    12.0 days
    Long Term Average 153.4mm 16.2 days Wettest June on record 503.2mm 1957
    Driest on record 7.7mm 1981
  15. Popup - Radar

    Weather Radar for Australia

  16. Year to Date

    South Johnstone Year To Date

    Average Rainfall To Jun 2478.7mm 114.7 day(s)
    Total For 2021 3309.4mm 125.0 day(s)
    Total To This Day 2020 2279.2mm 94.0 day(s)
    Wettest Day 185.0mm Jan 5
    Lowest Temperature 11.1°C Jun21
    Highest Temperature 34.1°C Mar24
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    South Johnstone Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 31.3 31.0 30.0 28.3 26.3 24.6 24.1 25.3 27.4 29.1 30.5 31.3 28.3
    Mean Min (°C) 22.8 22.9 22.2 20.7 18.7 16.3 15.3 15.6 17.0 19.1 20.9 22.1 19.5
    Mean Rain (mm) 514.9 561.6 590.7 392.2 265.9 153.4 108.8 88.8 83.5 92.1 142.8 263.3 3304.0
    Mean Rain Days 18.7 19.1 21.4 20.1 19.2 16.2 16.1 14.3 12.9 12.0 12.4 14.9 195.7