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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

    TODAY
    Mostly sunny 18° 35°
    mostly sunny
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    6:53am CDT 7:18am CDT 7:40pm CDT 8:05pm CDT
    NOW
    35.1° Feels Like: 33.8°
    Relative Humidity: 34%
    Dew: 16.9°
    Wind: SE 19km/h
    Gust: 19km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1013.4hPa

  3. Today Weather

    Whyalla
    Now
    40.1°c
    Feels Like:
    36.4°
    Wind:
    W 19km/h
    Gusts:
    24km/h
    Humidity:
    16%
    Mostly sunny
     
    18°
    Min
    35°
    Max
    Today in Whyalla
    Mostly sunny. The chance of fog in the S early this morning. Light winds becoming S/SE 20 to 30 km/h in the early afternoon then tending E/SE 15 to 25 km/h in the evening. Daytime maximum temperatures 35 to 41.
    Tomorrow
    Mostly cloudy
    21°
    Min
    41°
    Max
    Mostly sunny. Slight chance of a shower in the S at night. Near zero chance of rain elsewhere. The chance of a thunderstorm in the S in the evening. Winds NE/SE 15 to 20 km/h tending N/NE 20 to 30 km/h early in the morning then tending N/NW 30 to 45 km/h in the morning. Overnight temperatures falling to 20 to 25 with daytime temperatures reaching the low 40s.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Mostly sunny. The chance of fog in the S early this morning. Light winds becoming S/SE 20 to 30 km/h in the early afternoon then tending E/SE 15 to 25 km/h in the evening. Daytime maximum temperatures 35 to 41.

    Forecast for Whyalla (33.0348°S, 137.5855°E, 18m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Mostly sunny Mostly cloudy Clearing shower Windy Sunny Mostly sunny Clearing shower
    Minimum 18° 21° 22° 15° 13° 14° 16°
    Maximum 35° 41° 26° 22° 24° 27° 30°
    Chance of rain 5% 80% 60% 5% 5% 50% 40%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm 1-5mm 5-10mm
    UV index Very High Very High High High Very High Very High Very High
    Fire Danger Rating High Extreme High 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 8
    (km/h)     		21
    (km/h)     		16
    (km/h)     		28
    (km/h)     		22
    (km/h)     		46
    (km/h)     		30
    (km/h)     		30
    (km/h)     		12
    (km/h)     		18
    (km/h)     		11
    (km/h)     		19
    (km/h)     		11
    (km/h)     		21
    (km/h)
    Wind direction SW SSE N N SW SSW SE S ESE SSE NNW ESE SW SSE
    Relative humidity 69% 41% 38% 19% 78% 66% 55% 36% 55% 30% 53% 27% 68% 48%
    Dew point 17°C 20°C 14°C 13°C 21°C 19°C 8°C 7°C 8°C 6°C 9°C 7°C 15°C 18°C

  9. 28 Day Rainfall forecast

  10. 12 Month Rainfall Forecast

    Whyalla Rain Forecast

    Whyalla 12-month Rainfall Forecast
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    2025
    2026
    7
    8
    5
    7
    7
    7
    7
    7
    7
    9
    9
    9
    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 Feb 25

    ENSO status: La Niña-like conditions. IOD status: Neutral. SAM status: Positive. Trending neutral. The El Niño Southern Oscillation (ENSO) is in a La Niña-like pattern. The US declaring a La Niña event has started, but this event has not met the BoM definition. A La Niña typically increases rainfall over northern and eastern Australia, while reducing rainfall over southern coastal Australia and western Tas. The Indian Ocean Dipole (IOD) is in a neutral phase and does not play a part in Australia's climate during this time of year. The Southern Annular Mode (SAM) is in a short positive phase. Recent forecasts no particular evidence towards a positive or negative phase in autumn, although the long-wave pattern indicates that cold fronts are a bit more likely for Australia's longitudes over the next few months. During summer and early autumn, a positive SAM increases rainfall over most of eastern Australia, and decreases rainfall for SA, Vic and western Tas. Rainfall outlooks are showing aboveaverage rainfall over large parts of northern Australia in March and early April (forecast late monsoon activity). Above average rainfall is expected for the NSW coast through autumn, with wetter conditions also developing over western WA from late autumn. SA, Vic and Tas are expected to be average to slightly below average, with average conditions elsewhere.

  11. Popup - Daily historical

  12. Long range rainfall forecast

  13. Past 5 Days

    Whyalla Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Monday
    Mar 10     		20.2 °C 42.5 °C
    0.2 mm
    Tuesday
    Mar 11     		21.5 °C 28.0 °C
    0.0 mm
    Wednesday
    Mar 12     		21.3 °C 30.3 °C
    0.0 mm
    Thursday
    Mar 13     		19.9 °C 30.8 °C
    0.0 mm
    Friday
    Mar 14     		18.9 °C 35.7 °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 42.5° 10/03/2025 Coldest this month 13.4° 04/03/2025
    Hottest on record 44.1 06/03/1986 Coldest on record 5.5 28/03/1984
    Hottest this year 44.8° 12/02/2025 Coldest this year 11.2° 17/02/2025
    Long term average 27.5° Long term average 15.7°
    Average this month 31.4° Average this month 19.0°
    Hottest March On Record Avg. max. temp. 31.2° 2008 Coldest March on record Avg. min. temp. 13.7° 1987
    Whyalla rainfall history (33.0348°S, 137.5855°E, 18m AMSL)
    RAINFALL
    Wettest This Month 0.2mm 10/03/2025 Total This Month 0.2mm
    1.0 days
    Long Term Average 16.4mm 3.9 days Wettest March on record 79.6mm 1989
    Driest on record 0.0mm 1994

  15. Year to Date

    Whyalla Year To Date

    Average Rainfall To Mar 57.3mm 10.4 day(s)
    Total For 2025 1.2mm 3.0 day(s)
    Total To This Day 2024 29.6mm 4.0 day(s)
    Wettest Day 0.6mm Feb 4
    Lowest Temperature 11.2°C Feb17
    Highest Temperature 44.8°C Feb12

  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) 30.2 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) 22.0 18.9 16.4 19.6 22.2 28.1 21.5 21.2 24.9 22.9 24.1 23.7 263.5
    Mean Rain Days 3.3 3.2 3.9 5.0 8.2 10.8 10.0 9.6 7.1 6.5 5.2 4.8 77.0

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