You do not have a default location set
To set your location please use the search box to find your location and then click "set as my default location" on the local weather page.

Local Weather

St Marys (35.006°S, 138.5776°E, 54m AMSL) set as my default location ›

  2. St Marys Local Weather

    35.01°S, 138.58°E
    RSS
    Save as my local

    Now in St Marys

    Updated at 04:50 CST

    PAST 24 HOURS

    13.2 °C

    Feels like 11.1 °C
    Dew Point
    10.0 °C
    Gusts
    11km/h
    Relative Humidity
    81%
    Pressure
    1016.4hPa
    Wind
    N 11km/h
    Rainfall
    0.6mm

    Adelaide (West Terrace / ngayirdapira)

    Adelaide Airport

    Noarlunga

    Parafield Airport

    St Marys Friday Forecast

    Showers
    Showers
    11 °C
    16 °C
    80%
    1-5mm
    St Marys for Friday
    Partly cloudy. Very high chance of showers, most likely in the morning. Winds N 25 to 35 km/h turning W in the morning.
    Fire Danger
    -
    DAM LEVELS

  3. forecast_mid_1_ad

  4. St Marys 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

  5. new_weather_m_banner_320x50_mobile

  6. 7 day forecast

    Today: Partly cloudy. Very high chance of showers, most likely in the morning. Winds N 25 to 35 km/h turning W in the morning.

    Forecast for St Marys (35.006°S, 138.5776°E, 54m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Showers Late shower Showers Mostly sunny Mostly sunny Mostly sunny Mostly cloudy
    Minimum 11° 8° 9° 7° 6° 9° 11°
    Maximum 16° 14° 15° 15° 16° 19° 20°
    Chance of rain 80% 80% 80% 20% 5% 5% 30%
    Likely amount 1-5mm 5-10mm 1-5mm < 1mm < 1mm < 1mm < 1mm
    UV index Moderate Low Low Moderate Moderate Moderate Low
    Fire Danger Rating - - - - - - -
    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 22
    (km/h)     		24
    (km/h)     		14
    (km/h)     		15
    (km/h)     		17
    (km/h)     		20
    (km/h)     		5
    (km/h)     		8
    (km/h)     		9
    (km/h)     		10
    (km/h)     		16
    (km/h)     		18
    (km/h)     		18
    (km/h)     		15
    (km/h)
    Wind direction W WSW WSW W SW SW SE SSW NE N NE NNE NE N
    Relative humidity 79% 54% 63% 60% 74% 68% 78% 56% 56% 43% 48% 40% 45% 42%
    Dew point 10°C 6°C 5°C 6°C 8°C 8°C 8°C 6°C 3°C 4°C 2°C 5°C 3°C 7°C

  7. Sunrise and sunset times

    Sunrise / Sunset for St Marys (35.006°S, 138.5776°E, 54m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter Full moon
    6:31am CST 6:57am CST 5:44pm CST 6:10pm CST 10:02am CST Waning gibbous Last quarter Aug 16 New moon Aug 23 First quarter Aug 31 Full moon Sep 08

  8. weather_m_rec_300x250_mobile-2

  9. Tides graph

  10. forecast_mid_2_ad

  11. St Marys Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Aug 10     		11.0 °C 19.9 °C
    0.0 mm
    Monday
    Aug 11     		11.9 °C 20.7 °C
    0.0 mm
    Tuesday
    Aug 12     		12.1 °C 15.4 °C
    4.2 mm
    Wednesday
    Aug 13     		7.0 °C 16.6 °C
    0.0 mm
    Thursday
    Aug 14     		6.1 °C 20.9 °C
    0.0 mm
    Legend

  12. Almanac

    St Marys minimum temp history (35.006°S, 138.5776°E, 54m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 20.7° 11/08/2025 Coldest this month 4.7° 01/08/2025
    Hottest on record 29.1 31/08/1911 Coldest on record 0.9 07/08/1888
    Hottest this year 43.3° 12/02/2025 Coldest this year 2.9° 01/07/2025
    Long term average 16.1° Long term average 8.1°
    Average this month 16.7° Average this month 7.9°
    Hottest August On Record Avg. max. temp. 19.9° 1914 Coldest August on record Avg. min. temp. 6.4° 1943
    St Marys rainfall history (35.006°S, 138.5776°E, 54m AMSL)
    RAINFALL
    Wettest This Month 4.4mm 06/08/2025 Total This Month 9.8mm
    3.0 days
    Long Term Average 61.2mm 15.8 days Wettest August on record 157.7mm 1852
    Driest on record 8.4mm 1944

  13. St Marys Year To Date

    Average Rainfall To Aug 373.5mm 83.0 day(s)
    Total For 2025 244.6mm 48.0 day(s)
    Total To This Day 2024 226.0mm 62.0 day(s)
    Wettest Day 29.4mm Jul26
    Lowest Temperature 2.9°C Jul 1
    Highest Temperature 43.3°C Feb12

  1. forecast_rhs_1_ad

  2. Warnings

  3. forecast_rhs_2_ad

Copyright Elders