Mount Isa Arpt

Weather station · 20.7°S 139.5°E · 346 m above sea level

ICAO YBMAWMO 94332Station data since 1966

Right now34.0°C06:00 UTC · 1 h 33 min agoSource: NOAA METAR

Today so far34.0°/29.0°High at 06:00 UTC · low at 00:00 UTCSource: NOAA METAR and SYNOP

All-time record high45.9°CMonday, 29 January 1990 · highest in available records since 1966Source: NOAA GHCN-Daily

All-time record low−2.9°CSaturday, 7 July 1984 · lowest in available records since 1966Source: NOAA GHCN-Daily

On this day · 23 September

Record high

39.8°C

in 2012

Record low

4.5°C

in 1994

Average high

32.5°C

all years on record

Record watch

5.8°C short of the record for 23 September

Today’s high 34.0°C against 39.8°C in 2012. A reading that beats it is flagged here automatically, once a second cycle confirms it.

All-time record high

45.9°C

Date: Monday, 29 January 1990
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Mount Isa Arpt, Australia
Position: 20.68°S 139.49°E · 346 m

Highest highest in available records since 1966. Source: NOAA GHCN-Daily.

All-time record low

−2.9°C

Date: Saturday, 7 July 1984
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Mount Isa Arpt, Australia
Position: 20.68°S 139.49°E · 346 m

Highest and lowest lowest in available records since 1966. Source: NOAA GHCN-Daily.

Satellite preview of the station site

Mount Isa Arpt · 34.0°C

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Records by month

Jan

45.9°

15.4°

Feb

43.5°

13.1°

Mar

43.1°

11.9°

Apr

38.6°

5.8°

May

37.8°

1.8°

Jun

34.3°

−1.3°

Jul

35.2°

−2.9°

Aug

37.6°

−1.1°

Sep

40.4°

Recent days

Daily highest and lowest air temperature at Mount Isa Arpt, most recent first.
Day	High	At	Low	At
2026-09-23	34.0°C	06:00 UTC	29.0°C	00:00 UTC
2026-09-22	27.0°C	23:00 UTC	9.0°C	19:00 UTC

Nearby stations

Data sources for this page

Where each figure on this page comes from.
Figure	Source	Type
Right now, today so far	NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP)	Measured, station
All-time, monthly and on-this-day records	NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1966 to 2026	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated