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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 cloudy 21° 37°
    mostly cloudy
    Chance of rain: 50%
    Likely amount: 1-5mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    5:39am CDT 6:06am CDT 8:06pm CDT 8:34pm CDT
    NOW
    28.9° Feels Like: 26.2°
    Relative Humidity: 29%
    Dew: 9.1°
    Wind: SE 13km/h
    Gust: 15km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1012.9hPa

  3. Today Weather

    Whyalla
    Now
    29.1°c
    Feels Like:
    23.6°
    Wind:
    S 17km/h
    Gusts:
    19km/h
    Humidity:
    13%
    Mostly cloudy
     
    21°
    Min
    37°
    Max
    Today in Whyalla
    Partly cloudy. Slight chance of a shower in the S, near zero chance elsewhere. Winds E/NE 15 to 20 km/h tending N/NE 25 to 40 km/h early in the morning. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching the high 30s.
    Tomorrow
    Mostly cloudy
    21°
    Min
    37°
    Max
    Cloudy. Very high chance of showers. The chance of a thunderstorm. Heavy falls possible. Winds NW/NE 15 to 20 km/h tending S/SW before dawn then tending S/SE 15 to 25 km/h in the morning. Overnight temperatures falling to the low 20s with daytime temperatures reaching around 30.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Partly cloudy. Slight chance of a shower in the S, near zero chance elsewhere. Winds E/NE 15 to 20 km/h tending N/NE 25 to 40 km/h early in the morning. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching the high 30s.

    Forecast for Whyalla (33.0348°S, 137.5855°E, 18m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Mostly cloudy Rain Clearing shower Mostly cloudy Mostly sunny Mostly cloudy Mostly sunny
    Minimum 21° 25° 18° 16° 16° 14° 14°
    Maximum 37° 32° 26° 26° 24° 25° 26°
    Chance of rain 50% 80% 60% 20% 20% 30% 20%
    Likely amount 1-5mm 10-20mm < 1mm < 1mm < 1mm 1-5mm < 1mm
    UV index Extreme Extreme Very High Extreme Very High Very High Very High
    Fire Danger Rating Extreme 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 25
    (km/h)     		22
    (km/h)     		15
    (km/h)     		15
    (km/h)     		16
    (km/h)     		21
    (km/h)     		16
    (km/h)     		24
    (km/h)     		17
    (km/h)     		25
    (km/h)     		20
    (km/h)     		30
    (km/h)     		22
    (km/h)     		27
    (km/h)
    Wind direction NNE NE SW S S S SSW S SSW SSW S S SSE S
    Relative humidity 39% 24% 60% 73% 84% 73% 81% 65% 68% 49% 62% 50% 66% 45%
    Dew point 15°C 14°C 22°C 24°C 20°C 21°C 18°C 19°C 15°C 12°C 12°C 14°C 14°C 15°C

  9. 28 Day Rainfall forecast

  10. 12 Month Rainfall Forecast

    Whyalla Rain Forecast

    Whyalla 12-month Rainfall Forecast
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    2024
    2025
    8
    9
    7
    7
    7
    6
    6
    7
    6
    10
    6
    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 Nov 18

    ENSO status: La Niña Watch. IOD status: Neutral. SAM status: Positive. Trending positive. The El Niño Southern Oscillation (ENSO) is in a La Niña Watch, meaning there is approximately a 50% chance of a La Niña developing this year. 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 the Nino3.4 is low, but is above the threshold of -0.8C. However, the 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 increases rainfall over northern and eastern Australia (especially eastern Qld) during summer, but has little effect for WA and SA. The Indian Ocean Dipole (IOD) is in a neutral phase. Recent conditions have been similar to a negative IOD, but this has likely been heavily affected by veryactive bursts of tropical weather in mid-October and mid-late November. Regardless if these conditions continue, the arrival of the monsoon over northern Australia overwrites any IOD effects, so this driver is unlikely to significantly affect Australia this year. The Southern Annular Mode (SAM) is in a positive phase, having switched from the negative phase that persisted from July to October. This positive event is expected to persist through summer as a result of stratospheric moisture from the 2022 Tongan volcanic eruption (similar to the past two summers). 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 western, northern and eastern Australia, with strong signals over the Kimberley, Top End and Cape York Peninsula (likely related to forecastmonsoon activity). Drier conditions are expected for western Tas, with average conditions for SA and western Vic.

  11. Popup - Daily historical

  12. Long range rainfall forecast

  13. Past 5 Days

    Whyalla Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Nov 17     		13.4 °C 23.0 °C
    1.2 mm
    Monday
    Nov 18     		13.4 °C 22.3 °C
    0.0 mm
    Tuesday
    Nov 19     		12.6 °C -
    0.0 mm
    Wednesday
    Nov 20     		- 30.8 °C
    -
    Thursday
    Nov 21     		13.1 °C 35.4 °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 38.6° 16/11/2024 Coldest this month 8.4° 08/11/2024
    Hottest on record 45.5 19/11/2009 Coldest on record 3.9 29/11/1987
    Hottest this year 44.9° 23/01/2024 Coldest this year -1.8° 03/07/2024
    Long term average 26.6° Long term average 14.0°
    Average this month 27.2° Average this month 13.9°
    Hottest November On Record Avg. max. temp. 30.7° 2009 Coldest November on record Avg. min. temp. 12.2° 1999
    Whyalla rainfall history (33.0348°S, 137.5855°E, 18m AMSL)
    RAINFALL
    Wettest This Month 2.4mm 12/11/2024 Total This Month 5.2mm
    4.0 days
    Long Term Average 24.5mm 5.2 days Wettest November on record 84.2mm 2015
    Driest on record 0.0mm 1982

  15. Year to Date

    Whyalla Year To Date

    Average Rainfall To Nov 242.7mm 72.9 day(s)
    Total For 2024 120.0mm 58.0 day(s)
    Total To This Day 2023 151.2mm 62.0 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 24.1 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 28.0 21.5 21.2 24.9 23.0 24.5 23.8 266.1
    Mean Rain Days 3.4 3.2 3.9 5.0 8.2 10.7 10.0 9.6 7.1 6.6 5.2 4.8 77.4

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