15-Day Weather Forecast - Brisbane

15-day weather forecast for Brisbane: temperatures from 11°C (52°F) to 26°C (79°F). Average daily high 23°C (73°F) over the next 15 days.

Hourly Forecast by Day

Today·12 Sep
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Temperature · peaks at +22°C

15-Day Temperature Trend

22°13°TodaySep22°13°Tmrw23°11°Mon26°12°Tue24°14°Wed21°12°Thu22°11°Fri25°12°Sat24°14°Sun24°14°Mon23°17°Tue22°15°Wed24°14°Thu24°15°Fri25°12°Sat
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Sat, Sep 12Today
    +22°/+13°
    feels +22°0.2 mm · 65%12 km/hUV 7 · Hi
    05:4917:39
  • Sun, Sep 13Tomorrow
    +22°/+13°
    feels +22°0.2 mm · 16%14 km/hUV 7 · Hi
    05:4817:39
  • Mon, Sep 14Mon
    +23°/+11°
    feels +24°0 mm · 10%9 km/hUV 7 · Hi
    05:4717:40
  • Tue, Sep 15Tue
    +26°/+12°
    feels +28°12 km/hUV 7 · Hi
    05:4617:40
  • Wed, Sep 16Wed
    +24°/+14°
    feels +23°0.6 mm · 45%18 km/hUV 6 · Hi
    05:4417:41
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  • Thu, Sep 17Thu
    +21°/+12°
    feels +19°0 mm · 18%16 km/hUV 5 · Mod
    05:4317:41
  • Fri, Sep 18Fri
    +22°/+11°
    feels +23°0 mm · 1%13 km/hUV 4 · Mod
    05:4217:42
  • Sat, Sep 19Sat
    +25°/+12°
    feels +26°14 km/hUV 8 · Hi
    05:4117:42
  • Sun, Sep 20Sun
    +24°/+14°
    feels +24°0 mm · 2%10 km/hUV 8 · Hi
    05:4017:43
  • Mon, Sep 21Mon
    +24°/+14°
    feels +25°0 mm · 1%13 km/hUV 8 · Hi
    05:3917:43
  • Tue, Sep 22Tue
    +23°/+17°
    feels +24°1.2 mm · 10%14 km/hUV 6 · Mod
    05:3817:43
  • Wed, Sep 23Wed
    +22°/+15°
    feels +23°1.2 mm · 20%11 km/hUV 5 · Mod
    05:3717:44
  • Thu, Sep 24Thu
    +24°/+14°
    feels +25°0.6 mm · 27%16 km/hUV 8 · Hi
    05:3517:44
  • Fri, Sep 25Fri
    +24°/+15°
    feels +23°1.2 mm · 37%16 km/hUV 8 · Hi
    05:3417:45
  • Sat, Sep 26Sat
    +25°/+12°
    feels +24°0.4 mm · 13%17 km/hUV 8 · Hi
    05:3317:45

Weather Insight

Brisbane's 15-day outlook ranges from a low of 11°C to a high of 26°C, with an average daytime high near 23°C. That's 1° below the long-term average high of 24°C for this time of year. It continues a recent pattern — 14 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 48), with no notable outdoor health concerns.

Today vs Normal

22°C-2° below normal

The long-term average high for today is 24°C.

14 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 23°C23°2026-08-29: 22°C22°2026-08-30: 22°C22°2026-08-31: 22°C22°2026-09-01: 22°C22°2026-09-02: 25°C25°2026-09-03: 28°C28°2026-09-04: 30°C30°2026-09-05: 27°C27°2026-09-06: 31°C31°2026-09-07: 25°C25°2026-09-08: 22°C22°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Extended Outlook for Brisbane

Over the next 15 days, Brisbane is forecast to see temperatures ranging from 11°C to 26°C, averaging a daily high of 23°C. The extended outlook indicates occasional showers on 8 days, with 5.6 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.