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Forecast

Whyalla (33.0348°S, 137.5855°E, 18m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TOMORROW
    Mostly sunny 14° 23°
    mostly sunny
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    5:43am CDT 6:11am CDT 8:31pm CDT 9:00pm CDT
    NOW
    22.2° Feels Like: 13.8°
    Relative Humidity: 32%
    Dew: 4.7°
    Wind: W 37km/h
    Gust: 44km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1008.7hPa

  3. Today Weather

    Whyalla
    Now
    22.1°c
    Feels Like:
    13.4°
    Wind:
    SW 43km/h
    Gusts:
    48km/h
    Humidity:
    41%
    Mostly sunny
     
    14°
    Min
    23°
    Max
    Today in Whyalla
    Partly cloudy. Winds W/SW 20 to 30 km/h. Overnight temperatures falling to between 11 and 14 with daytime temperatures reaching the low to mid 20s.
    Tomorrow
    Mostly sunny
    14°
    Min
    23°
    Max
    Partly cloudy. Slight chance of a shower in the late morning and afternoon. Winds W 15 to 25 km/h increasing to 20 to 30 km/h in the morning then turning S/SW during the afternoon and evening. Overnight temperatures falling to around 11 with daytime temperatures reaching the mid to high 20s.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Partly cloudy. Winds W/SW 20 to 30 km/h. Overnight temperatures falling to between 11 and 14 with daytime temperatures reaching the low to mid 20s.

    Forecast for Whyalla (33.0348°S, 137.5855°E, 18m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Mostly sunny Mostly sunny Mostly sunny Mostly cloudy Mostly sunny Windy Windy
    Minimum 14° 13° 15° 16° 18° 18° 16°
    Maximum 23° 25° 27° 32° 31° 27° 28°
    Chance of rain 5% 20% 20% 5% 5% 20% 5%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme
    Fire Danger Rating High High High High - - -
    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 25
    (km/h)     		30
    (km/h)     		16
    (km/h)     		23
    (km/h)     		14
    (km/h)     		25
    (km/h)     		7
    (km/h)     		18
    (km/h)     		17
    (km/h)     		27
    (km/h)     		29
    (km/h)     		40
    (km/h)     		29
    (km/h)     		36
    (km/h)
    Wind direction WSW S WNW S S S S S SSW S S S SSE S
    Relative humidity 50% 44% 54% 50% 63% 43% 55% 30% 60% 36% 64% 43% 60% 38%
    Dew point 9°C 10°C 10°C 13°C 13°C 13°C 13°C 13°C 16°C 15°C 15°C 14°C 12°C 13°C

  9. 28 Day Rainfall forecast

  10. 12 Month Rainfall Forecast

    Whyalla Rain Forecast

    Whyalla 12-month Rainfall Forecast
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    2024
    2025
    10
    7
    8
    7
    7
    6
    6
    2
    2
    6
    1
    6
    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 Dec 10

    ENSO status: La Niña Watch. IOD status: Neutral. SAM status: Negative. Trending positive. The El Niño Southern Oscillation (ENSO) is in a La Niña Watch. The current technical definition of a La Niña is only a small chance to be met, although ocean and atmospheric conditions do resemble a La Niña pattern. Trade winds are still stronger than average along the western equatorial Pacific, and Relative-Nino Index (factors in equatorial ocean temperatures elsewhere around the world, compensating for the background warming signal) is below the threshold. A La Niña typically leads to cooler temperatures northern Australia during summer, while producing higher temperatures for western/southwestern WA, Vic and western Tas. The Indian Ocean Dipole (IOD) is in a neutral phase. Recent conditions have been like a negative IOD, but it is too late in the year for this climate driver to develop. Once the monsoon establishes over northern Australia, the IOD has no impact on Australia’s weather. The Southern AnnularMode (SAM) is in a brief negative phase, having switched a positive phase in November. Forecasts predict it will become neural in mid-late December and become positive in January and February. A positive SAM decreases the frequency of cold fronts, with more regular high pressure systems and easterly winds. During summer, this increases rainfall over eastern Australia, and reduces rainfall over southeastern SA, western Vic 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

    Whyalla Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Dec 22     		17.3 °C 24.6 °C
    0.0 mm
    Monday
    Dec 23     		16.4 °C 23.3 °C
    0.0 mm
    Tuesday
    Dec 24     		15.4 °C 30.6 °C
    0.0 mm
    Wednesday
    Dec 25     		14.1 °C 39.3 °C
    0.0 mm
    Thursday
    Dec 26     		27.3 °C 30.0 °C
    0.0 mm
    Legend

  14. Almanac

    Almanac

    Whyalla minimum temp history (33.0348°S, 137.5855°E, 18m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 41.7° 16/12/2024 Coldest this month 11.3° 01/12/2024
    Hottest on record 45.8 19/12/2015 Coldest on record 4.7 02/12/1987
    Hottest this year 44.9° 23/01/2024 Coldest this year -1.8° 03/07/2024
    Long term average 28.3° Long term average 16.1°
    Average this month 29.9° Average this month 17.7°
    Hottest December On Record Avg. max. temp. 32.5° 2015 Coldest December on record Avg. min. temp. 14.0° 2001
    Whyalla rainfall history (33.0348°S, 137.5855°E, 18m AMSL)
    RAINFALL
    Wettest This Month 10.4mm 17/12/2024 Total This Month 17.4mm
    3.0 days
    Long Term Average 23.8mm 4.8 days Wettest December on record 76.0mm 2011
    Driest on record 0.0mm 2019

  15. Year to Date

    Whyalla Year To Date

    Average Rainfall To Dec 266.1mm 77.7 day(s)
    Total For 2024 153.5mm 66.0 day(s)
    Total To This Day 2023 233.2mm 70.0 day(s)
    Wettest Day 16.0mm Jan 7
    Lowest Temperature -1.8°C Jul 3
    Highest Temperature 44.9°C Jan23

  16. Popup - Radar

    Weather Radar for Australia

  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Whyalla Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 30.1 29.7 27.5 24.1 20.3 17.2 17.1 18.7 21.6 24.2 26.6 28.3 23.7
    Mean Min (°C) 17.8 17.7 15.7 11.9 8.6 6.3 5.3 6.0 8.1 10.9 14.0 16.1 11.5
    Mean Rain (mm) 22.5 18.9 16.4 19.6 22.2 28.1 21.5 21.2 24.9 22.9 24.1 23.8 266.1
    Mean Rain Days 3.4 3.2 3.9 5.0 8.2 10.8 10.0 9.6 7.1 6.5 5.2 4.8 77.4

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