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Forecast

Waterloo (33.3384°S, 115.7714°E, 21m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Windy with showers 15°
    windy with showers
    Chance of rain: 90%
    Likely amount: 5-10mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:44am WST 7:10am WST 5:38pm WST 6:04pm WST
    NOW
    6.3° Feels Like: 5.3°
    Relative Humidity: 96%
    Dew: 5.7°
    Wind: N 0km/h
    Gust: 0km/h
    Rainfall since 9am: 13.6mm
    Pressure:  
  3. Today Weather

    Waterloo
    Now
    3.3°c
    Feels Like:
    1.7°
    Wind:
    N 0km/h
    Gusts:
    0km/h
    Humidity:
    92%
    Windy with showers
     
    Min
    15°
    Max
    Today in Waterloo
    Cloudy. Very high chance of showers. The chance of a thunderstorm. Gusty winds and possible small hail. Winds W/SW 15 to 20 km/h tending W/NW 30 to 45 km/h in the late morning and afternoon. Daytime maximum temperatures between 12 and 15.
    Tomorrow
    Windy with showers
    Min
    15°
    Max
    Cloudy. Very high chance of showers, most likely in the morning and early afternoon. The chance of a thunderstorm in the SW in the morning. Possible hail and squally winds in showers and thunderstorms in the morning and afternoon. Winds W 35 to 50 km/h turning SW in the morning then decreasing to 25 to 40 km/h in the late afternoon. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching between 11 and 15.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Cloudy. Very high chance of showers. The chance of a thunderstorm. Gusty winds and possible small hail. Winds W/SW 15 to 20 km/h tending W/NW 30 to 45 km/h in the late morning and afternoon. Daytime maximum temperatures between 12 and 15.

    Forecast for Waterloo (33.3384°S, 115.7714°E, 21m AMSL)
      Sat Sun Mon Tue Wed Thu Fri
    Summary Windy with showers Windy with showers Possible shower Possible shower Mostly sunny Sunny Mostly sunny
    Minimum
    Maximum 15° 15° 16° 16° 17° 19° 19°
    Chance of rain 90% 90% 60% 50% 20% 5% 90%
    Likely amount 5-10mm 1-5mm < 1mm < 1mm < 1mm < 1mm 5-10mm
    UV index Moderate Low 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 11
    (km/h)
    21
    (km/h)
    33
    (km/h)
    33
    (km/h)
    1
    (km/h)
    5
    (km/h)
    1
    (km/h)
    1
    (km/h)
    1
    (km/h)
    0
    (km/h)
    4
    (km/h)
    4
    (km/h)
    15
    (km/h)
    21
    (km/h)
    Wind direction SW W WSW SW SSW W NE W ENE WNW E N NE N
    Relative humidity 87% 66% 71% 65% 79% 68% 88% 73% 90% 71% 88% 60% 70% 61%
    Dew point 6°C 7°C 7°C 7°C 7°C 9°C 10°C 10°C 9°C 10°C 10°C 10°C 7°C 10°C
  9. 28 Day Rainfall forecast

    Waterloo Rain Forecast


    Waterloo 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    31
    HIGH
    Aug 1
    HIGH
    2
    LOW
    3
    MEDIUM
    4
    5
    6
    HIGH
    7
    HIGH
    8
    HIGH
    9
    MEDIUM
    10
    MEDIUM
    11
    HIGH
    12
    HIGH
    13
    14
    HIGH
    15
    HIGH
    16
    HIGH
    17
    MEDIUM
    18
    19
    LOW
    20
    MEDIUM
    21
    HIGH
    22
    23
    HIGH
    24
    MEDIUM
    25
    MEDIUM
    26
    LOW
    27
    MEDIUM
    28
    MEDIUM
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jul31

    Issue Notes

    The hemispheric long wave pattern has been relatively slow moving in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, New Zealand, the southeast Pacific, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 8 August to 12 August, 16 August to 20 August, and 1 September to 5 September. Rain events originating in the tropics and moving south are possible about 10 August to 14 August, 21 August to 25 August, and 3 September to 7 September. Over Western Australia the strongest cold fronts should occur about 8 August to 12 August, 15 August to 19 August, and 22 August to 26 August.

    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

    Waterloo Rain Forecast


    Waterloo 12-month Rainfall Forecast
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    2021
    2022
    8
    5
    6
    4
    7
    7
    8
    6
    4
    5
    1
    2
    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 Jul 13

    ENSO status: Neutral, however two models suggest La Niña thresholds may be met again from September. IOD status: Neutral, although it was negative for six weeks between mid-May and late-June SAM status: Negative. The El Niño–Southern Oscillation (ENSO) is currently neutral. However, there are growing signs that La Niña could redevelop in the Pacific Ocean later this year, prompting the US Climate Prediction Centre to issue a La Niña Watch this week. Two models forecast temperatures reaching the La Niña threshold during September. The Indian Ocean Dipole (IOD) is currently neutral, although we saw six consecutive weeks below the negative IOD threshold between mid-May and late-June. The IOD index needs to stay below -0.4C for eight consecutive weeks to be officially declared as a negative IOD event. The IOD ducked back into neutral territory thanks to recent warming in the western Indian Ocean. While a negative IOD has not been officially declared, the negative weekly values may enhance rainfallacross central and southern Australia. Three of the five models are forecasting the negative IOD to develop in winter, with another one indicating development in early spring. Most of the models suggest that the negative IOD will continue through until mid spring. During winter, much of the Australia is likely to be wetter than normal, apart from far southern WA and SA, southern VIC and southwestern TAS. The weekly negative IOD values may 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 southwestern TAS and WA. Again, the negative IOD values may be playing a role in this outlook.

  11. Long range rainfall forecast

    Waterloo Rain Forecast


    Waterloo 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    31
    HIGH
    Aug 1
    HIGH
    2
    LOW
    3
    MEDIUM
    4
    5
    6
    HIGH
    7
    HIGH
    8
    HIGH
    9
    MEDIUM
    10
    MEDIUM
    11
    HIGH
    12
    HIGH
    13
    14
    HIGH
    15
    HIGH
    16
    HIGH
    17
    MEDIUM
    18
    19
    LOW
    20
    MEDIUM
    21
    HIGH
    22
    23
    HIGH
    24
    MEDIUM
    25
    MEDIUM
    26
    LOW
    27
    MEDIUM
    28
    MEDIUM
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jul31

    Issue Notes

    The hemispheric long wave pattern has been relatively slow moving in recent weeks. There are five main troughs. Currently the most significant troughs are near the longitudes of South Africa, the Indian Ocean, Western Australia, New Zealand, the southeast Pacific, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 8 August to 12 August, 16 August to 20 August, and 1 September to 5 September. Rain events originating in the tropics and moving south are possible about 10 August to 14 August, 21 August to 25 August, and 3 September to 7 September. Over Western Australia the strongest cold fronts should occur about 8 August to 12 August, 15 August to 19 August, and 22 August to 26 August.

    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

    Waterloo Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Monday
    Jul 26
    15.9 °C 19.6 °C
    0.0 mm
    Tuesday
    Jul 27
    11.4 °C 15.2 °C
    9.2 mm
    Wednesday
    Jul 28
    9.5 °C 17.7 °C
    4.8 mm
    Thursday
    Jul 29
    13.6 °C 18.8 °C
    10.4 mm
    Friday
    Jul 30
    10.5 °C 14.3 °C
    10.8 mm
    Legend
  14. Almanac

    Almanac


    Waterloo minimum temp history (33.3384°S, 115.7714°E, 21m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 19.8° 12/07/2021 Coldest this month 4.4° 10/07/2021
    Hottest on record 22.4 22/07/1997 Coldest on record -2.1 30/07/1998
    Hottest this year 39.4° 08/01/2021 Coldest this year 0.7° 24/06/2021
    Long term average 17.3° Long term average 7.1°
    Average this month 17.2° Average this month 10.3°
    Hottest July On Record Avg. max. temp. 18.1° 2014 Coldest July on record Avg. min. temp. 4.6° 1998
    Waterloo rainfall history (33.3384°S, 115.7714°E, 21m AMSL)
    RAINFALL
    Wettest This Month 37.2mm 10/07/2021 Total This Month 186.2mm
    23.0 days
    Long Term Average 140.1mm 19.1 days Wettest July on record 263.6mm 2000
    Driest on record 55.4mm 2012
  15. Popup - Radar

    Weather Radar for Australia

  16. Year to Date

    Waterloo Year To Date

    Average Rainfall To Jul 451.7mm 66.8 day(s)
    Total For 2021 600.2mm 71.0 day(s)
    Total To This Day 2020 465.8mm 73.0 day(s)
    Wettest Day 48.0mm Apr12
    Lowest Temperature 0.7°C Jun24
    Highest Temperature 39.4°C Jan 8
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Waterloo Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 29.8 30.0 27.7 24.2 21.0 18.5 17.3 17.7 18.6 21.2 24.6 27.5 23.1
    Mean Min (°C) 15.3 15.9 14.4 11.8 9.2 8.0 7.1 7.6 8.5 9.7 12.0 13.5 11.0
    Mean Rain (mm) 11.2 9.0 20.3 36.6 99.0 135.5 140.1 118.1 81.6 33.2 21.9 16.6 715.2
    Mean Rain Days 2.5 2.3 4.0 8.5 13.2 17.2 19.1 18.9 16.9 9.9 6.1 3.8 121.4