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Forecast

Iona (32.6664°S, 151.6034°E, 3m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TOMORROW
    Sunny 20°
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    5:58am EST 6:23am EST 5:30pm EST 5:55pm EST
    NOW
    13.1° Feels Like: 10.5°
    Relative Humidity: 51%
    Dew: 3.2°
    Wind: WSW 6km/h
    Gust: WSW 6km/h
    Rainfall since 9am: 0.0mm
    Pressure:  
  3. Today Weather

    Iona
    Now
    12.3°c
    Feels Like:
    9.0°
    Wind:
    S 9km/h
    Gusts:
    11km/h
    Humidity:
    53%
    Sunny
     
    Min
    20°
    Max
    Today in Iona
    Sunny. Morning frost about the Upper Hunter. Winds SE/SW 15 to 20 km/h becoming light early in the morning then becoming NW/NE 15 to 20 km/h in the evening. Overnight temperatures falling to between zero and 5 with daytime temperatures reaching between 17 and 20.
    Tomorrow
    Sunny
    Min
    20°
    Max
    Sunny. Areas of morning frost about the Upper Hunter. Light winds becoming NW 25 to 35 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching 20 to 25.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Sunny. Morning frost about the Upper Hunter. Winds SE/SW 15 to 20 km/h becoming light early in the morning then becoming NW/NE 15 to 20 km/h in the evening. Overnight temperatures falling to between zero and 5 with daytime temperatures reaching between 17 and 20.

    Forecast for Iona (32.6664°S, 151.6034°E, 3m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Sunny Sunny Sunny Possible shower Showers increasing Possible shower Clearing shower
    Minimum
    Maximum 20° 25° 26° 19° 21° 22° 20°
    Chance of rain 5% 5% 70% 50% 80% 50% 60%
    Likely amount < 1mm < 1mm < 1mm 1-5mm 1-5mm < 1mm < 1mm
    UV index - - - - - - -
    Frost risk Nil Slight Nil Nil Nil Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 9
    (km/h)
    3
    (km/h)
    13
    (km/h)
    19
    (km/h)
    10
    (km/h)
    12
    (km/h)
    7
    (km/h)
    11
    (km/h)
    5
    (km/h)
    9
    (km/h)
    6
    (km/h)
    10
    (km/h)
    8
    (km/h)
    10
    (km/h)
    Wind direction W WNW NW NW WNW S S SSE S SE WNW W WSW S
    Relative humidity 51% 37% 46% 28% 47% 37% 75% 60% 76% 67% 75% 45% 62% 49%
    Dew point 2°C 5°C 3°C 6°C 6°C 9°C 10°C 11°C 12°C 14°C 10°C 10°C 8°C 9°C
  9. 28 Day Rainfall forecast

    Iona Rain Forecast


    Iona 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    22
    LOW
    23
    24
    25
    LOW
    26
    MEDIUM
    27
    HIGH
    28
    MEDIUM
    29
    LOW
    30
    LOW
    31
    LOW
    Sep 1
    2
    3
    LOW
    4
    LOW
    5
    LOW
    6
    LOW
    7
    LOW
    8
    LOW
    9
    LOW
    10
    LOW
    11
    MEDIUM
    12
    MEDIUM
    13
    14
    MEDIUM
    15
    16
    17
    18
    19
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug22

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are three main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, the Indian Ocean, and New Zealand.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 31 August to 4 September, 12 September to 16 September, and 25 September to 29 September. Rain events originating in the tropics and moving south are possible about 25 September to 29 September. Over Western Australia the strongest cold fronts should occur about 30 August to 3 September, 11 September to 15 September, and 24 September to 28 September.

  10. 12 Month Rainfall Forecast

    Iona Rain Forecast


    Iona 12-month Rainfall Forecast
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    2019
    2020
    3
    4
    5
    5
    4
    5
    7
    6
    7
    6
    8
    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 8

    ENSO status: Neutral IOD status: Positive Sea surface temperatures (SST's) continued a cooling trend over the central Pacific during July. The Nino3.4 index lingered at about 0.5 through the month of July. The Southern Oscillation Index (SOI) recorded a value of -5.6 in July, which is now in neutral territory. Current consensus suggests warmer than average SSTs will remain across the equatorial Pacific Ocean through the austral spring, but well within neutral values. Although, six out of eight international models maintain a warmer than average Pacific Ocean through the remainder of 2019, none of these are reaching El Nino thresholds during the 2019/2020 summer. Moreover, the IRI ENSO forecast suggests less than 50% of another El Nino developing over the next 12 months. On the other hand, the Indian Ocean Dipole (IOD) remains strongly positive. Six out of six international models maintain a positive event until mid-spring. The climate outlook for the four weeks left in winter and spring, favours average-to-below average rainfall across the southern half of Australia, in particular over the eastern half of the continent. During Positive IODs, central and southeastern Australia tend to see a reduction in rainfall during the end of winter and the first half of spring due to a reduction of moisture streaming from the northwest. SST's along the eastern seaboard remain significantly warmer than average (especially off NSW) maintaining a high risk of extreme weather events such as East Coast Lows (ECLs). These can bring intense periods of rainfall east of the Great Dividing Range, leading to flash flooding.

  11. Long range rainfall forecast

    Iona Rain Forecast


    Iona 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    22
    LOW
    23
    24
    25
    LOW
    26
    MEDIUM
    27
    HIGH
    28
    MEDIUM
    29
    LOW
    30
    LOW
    31
    LOW
    Sep 1
    2
    3
    LOW
    4
    LOW
    5
    LOW
    6
    LOW
    7
    LOW
    8
    LOW
    9
    LOW
    10
    LOW
    11
    MEDIUM
    12
    MEDIUM
    13
    14
    MEDIUM
    15
    16
    17
    18
    19
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug22

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are three main troughs. Currently the most significant troughs are near the longitudes of the southwest Indian Ocean, the Indian Ocean, and New Zealand.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 31 August to 4 September, 12 September to 16 September, and 25 September to 29 September. Rain events originating in the tropics and moving south are possible about 25 September to 29 September. Over Western Australia the strongest cold fronts should occur about 30 August to 3 September, 11 September to 15 September, and 24 September to 28 September.

  12. Popup - Daily historical

  13. Past 5 Days

    Iona Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Aug 18
    2.4 °C -
    0.0 mm
    Monday
    Aug 19
    - 24.3 °C
    0.0 mm
    Tuesday
    Aug 20
    6.4 °C 20.7 °C
    0.0 mm
    Wednesday
    Aug 21
    11.5 °C 21.5 °C
    0.0 mm
    Thursday
    Aug 22
    14.7 °C 22 °C
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Iona minimum temp history (32.6664°S, 151.6034°E, 3m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 24.5° 16/08/2019 Coldest this month -0.3° 14/08/2019
    Hottest on record 30.4 21/08/1995 Coldest on record -1.5 04/08/1994
    Hottest this year 43.5° 26/01/2019 Coldest this year -0.3° 14/08/2019
    Long term average 19.3° Long term average 6.6°
    Average this month 20.6° Average this month 5.7°
    Hottest August On Record Avg. max. temp. 22.4° 1995 Coldest August on record Avg. min. temp. 4.7° 1977
    Iona rainfall history (32.6664°S, 151.6034°E, 3m AMSL)
    RAINFALL
    Wettest This Month 4.4mm 01/08/2019 Total This Month 4.8mm
    3.0 days
    Long Term Average 37.8mm 8.0 days Wettest August on record 145.8mm 1995
  15. Popup - Radar

  16. Year to Date

    Iona Year To Date

    Average Rainfall To Aug 656.4mm 87.6 day(s)
    Total For 2019 413.0mm 78.0 day(s)
    Total To This Day 2018 484.2mm 72.0 day(s)
    Wettest Day 52.2mm Mar30
    Lowest Temperature -0.3°C Aug14
    Highest Temperature 43.5°C Jan26
  17. Popup - Monthly historical

  18. Climatology

    Iona Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 29.8 28.9 27.1 24.3 20.8 17.8 17.3 19.3 22.4 25.1 26.8 29.0 24.0
    Mean Min (°C) 17.6 17.5 15.7 12.5 9.7 7.6 6.2 6.6 8.9 11.4 14.0 16.2 12.0
    Mean Rain (mm) 110.1 117.2 115.7 88.1 70.9 76.5 40.1 37.8 47.5 64.9 85.2 82.1 938.7
    Mean Rain Days 11.7 11.4 12.3 10.7 11.5 11.9 10.1 8.0 7.9 9.4 11.3 10.1 123.1