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Semaphore (34.8389°S, 138.484°E, 1m AMSL) set as my default location ›

  2. Semaphore Local Weather

    34.84°S, 138.48°E
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    Now in Semaphore

    Updated at 04:40 CST

    PAST 24 HOURS

    13.8 °C

    Feels like 9.7 °C
    Dew Point
    9.5 °C
    Gusts
    24km/h
    Relative Humidity
    75%
    Pressure
    1016.1hPa
    Wind
    N 20km/h
    Rainfall
    0.6mm

    Adelaide Airport

    Parafield Airport

    Adelaide (West Terrace / ngayirdapira)

    Edinburgh

    Semaphore Friday Forecast

    Showers
    Showers
    13 °C
    13 °C
    70%
    < 1mm
    Semaphore 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

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  4. Semaphore 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  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 Semaphore (34.8389°S, 138.484°E, 1m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Showers Late shower Showers Clearing shower Mostly sunny Mostly sunny Mostly cloudy
    Minimum 13° 10° 10° 9° 7° 9° 13°
    Maximum 13° 12° 12° 13° 14° 17° 18°
    Chance of rain 70% 80% 70% 40% 10% 5% 10%
    Likely amount < 1mm 1-5mm 1-5mm < 1mm < 1mm < 1mm < 1mm
    UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate
    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 23
    (km/h)     		18
    (km/h)     		15
    (km/h)     		8
    (km/h)     		21
    (km/h)     		17
    (km/h)     		3
    (km/h)     		3
    (km/h)     		7
    (km/h)     		1
    (km/h)     		14
    (km/h)     		10
    (km/h)     		17
    (km/h)     		8
    (km/h)
    Wind direction W WSW WSW W WSW SW ESE SW ENE N NE NNE NE N
    Relative humidity 81% 58% 62% 62% 73% 67% 78% 63% 63% 51% 54% 45% 49% 46%
    Dew point 10°C 5°C 4°C 5°C 7°C 6°C 7°C 7°C 3°C 5°C 4°C 5°C 4°C 6°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Semaphore (34.8389°S, 138.484°E, 1m 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 5:45pm CST 6:11pm CST 10:03am CST Waning gibbous Last quarter Aug 16 New moon Aug 23 First quarter Aug 31 Full moon Sep 08

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  9. Tides graph

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  11. Semaphore Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Aug 10     		10.2 °C 20.2 °C
    0.2 mm
    Monday
    Aug 11     		10.0 °C 21.2 °C
    0.2 mm
    Tuesday
    Aug 12     		12.4 °C 14.7 °C
    4.0 mm
    Wednesday
    Aug 13     		6.3 °C 14.8 °C
    0.0 mm
    Thursday
    Aug 14     		5.2 °C 21.1 °C
    0.0 mm
    Legend

  12. Almanac

    Semaphore minimum temp history (34.8389°S, 138.484°E, 1m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 21.2° 11/08/2025 Coldest this month 4.2° 09/08/2025
    Hottest on record 29.9 30/08/2007 Coldest on record -0.2 25/08/2002
    Hottest this year 41.5° 12/02/2025 Coldest this year 2.3° 20/05/2025
    Long term average 16.0° Long term average 7.7°
    Average this month 16.3° Average this month 7.5°
    Hottest August On Record Avg. max. temp. 19.1° 1982 Coldest August on record Avg. min. temp. 5.5° 2014
    Semaphore rainfall history (34.8389°S, 138.484°E, 1m AMSL)
    RAINFALL
    Wettest This Month 5.0mm 06/08/2025 Total This Month 10.4mm
    6.0 days
    Long Term Average 49.8mm 15.6 days Wettest August on record 103.8mm 1992
    Driest on record 8.6mm 2006

  13. Semaphore Year To Date

    Average Rainfall To Aug 308.5mm 80.5 day(s)
    Total For 2025 209.8mm 54.0 day(s)
    Total To This Day 2024 183.8mm 55.0 day(s)
    Wettest Day 27.4mm Jul10
    Lowest Temperature 2.3°C May20
    Highest Temperature 41.5°C Feb12

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  2. Warnings

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