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Mount Isa (20.7266°S, 139.4943°E, 365m AMSL) set as my default location ›

  2. Mount Isa Local Weather

    20.73°S, 139.49°E
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    Now in Mount Isa

    Updated at 15:30 EST

    PAST 24 HOURS

    23.0 °C

    Feels like 17.2 °C
    Dew Point
    3.0 °C
    Gusts
    32km/h
    Relative Humidity
    27%
    Pressure
    1018.5hPa
    Wind
    SE 22km/h
    Rainfall
    0.0mm

    Mount Isa

    May Downs

    Carters Bore

    Lake Julius

    Mount Isa Monday Forecast

    Sunny
    Sunny
    10 °C
    23 °C
    5%
    < 1mm
    Mount Isa for Monday
    Sunny. Winds SE 25 to 35 km/h. Daytime maximum temperatures in the low to mid 20s.
    Fire Danger
    Moderate
    DAM LEVELS

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  4. Mount Isa 48 HOUR FORECAST

    TEMP WIND RAIN CHANCE

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  6. 7 day forecast

    Today: Sunny. Winds SE 25 to 35 km/h. Daytime maximum temperatures in the low to mid 20s.

    Forecast for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
      Mon Tue Wed Thu Fri Sat Sun
    Summary Sunny Sunny Mostly sunny Mostly cloudy Mostly cloudy Mostly sunny Mostly sunny
    Minimum 10° 8° 10° 11° 13° 12° 13°
    Maximum 23° 24° 25° 26° 25° 29° 31°
    Chance of rain 5% 5% 5% 20% 20% 5% 10%
    Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm
    UV index High High High High High High High
    Fire Danger Rating Moderate 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 28
    (km/h)     		20
    (km/h)     		19
    (km/h)     		20
    (km/h)     		18
    (km/h)     		23
    (km/h)     		19
    (km/h)     		20
    (km/h)     		12
    (km/h)     		10
    (km/h)     		8
    (km/h)     		7
    (km/h)     		8
    (km/h)     		9
    (km/h)
    Wind direction SSE SE SE SSE SSE SSE SE SE SE SE ESE E ESE SE
    Relative humidity 46% 29% 46% 30% 54% 33% 60% 34% 56% 38% 61% 34% 57% 36%
    Dew point 4°C 4°C 3°C 5°C 7°C 7°C 9°C 9°C 9°C 9°C 12°C 11°C 13°C 14°C

  7. Sunrise and sunset times

    Sunrise / Sunset for Mount Isa (20.7266°S, 139.4943°E, 365m AMSL)
    First light Sunrise Sunset Last light Moon rise Moon set Moon phase Last quarter New moon First quarter Full moon
    6:42am EST 7:06am EST 6:11pm EST 6:35pm EST 11:47pm EST 12:24pm EST Waning gibbous Last quarter May 20 New moon May 27 First quarter Jun 03 Full moon Jun 11

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  9. Tides graph

    There is no current data for Mount Isa

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  11. Mount Isa Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Thursday
    May 15     		15.5 °C 27.6 °C
    0.0 mm
    Friday
    May 16     		15.9 °C 27.4 °C
    0.0 mm
    Saturday
    May 17     		13.1 °C 25.3 °C
    0.0 mm
    Sunday
    May 18     		13.0 °C 24.5 °C
    0.0 mm
    Monday
    May 19     		12.7 °C 23.3 °C
    0.0 mm
    Legend

  12. Almanac

    Mount Isa minimum temp history (20.7266°S, 139.4943°E, 365m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 31.2° 12/05/2025 Coldest this month 11.0° 14/05/2025
    Hottest on record 37.8 02/05/2016 Coldest on record 1.8 31/05/2011
    Hottest this year 44.4° 11/01/2025 Coldest this year 8.3° 25/04/2025
    Long term average 28.0° Long term average 13.9°
    Average this month 28.5° Average this month 16.0°
    Hottest May On Record Avg. max. temp. 31.1° 2007 Coldest May on record Avg. min. temp. 9.3° 2001
    Mount Isa rainfall history (20.7266°S, 139.4943°E, 365m AMSL)
    RAINFALL
    Wettest This Month 0.0mm 01/05/2025 Total This Month 0.0mm
    0.0 days
    Long Term Average 11.2mm 1.6 days Wettest May on record 176.4mm 1968
    Driest on record 0.0mm 2023

  13. Mount Isa Year To Date

    Average Rainfall To May 310.3mm 28.3 day(s)
    Total For 2025 360.4mm 29.0 day(s)
    Total To This Day 2024 496.2mm 45.0 day(s)
    Wettest Day 75.2mm Feb 7
    Lowest Temperature 8.3°C Apr25
    Highest Temperature 44.4°C Jan11

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  2. Warnings

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