15-Day Weather Forecast - Adelaide

15-day weather forecast for Adelaide: temperatures from 5°C (41°F) to 25°C (77°F). Average daily high 19°C (66°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +19°C

15-Day Temperature Trend

19°8°TodaySep21°12°Tmrw19°14°Sun16°13°Mon14°10°Tue15°8°Wed17°5°Thu20°10°Fri23°11°Sat24°14°Sun16°12°Mon24°10°Tue25°18°Wed17°9°Thu13°9°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +19°/+8°
    feels +20°12 km/hUV 6 · Hi
    06:2118:04
  • Sat, Sep 12Tomorrow
    +21°/+12°
    feels +22°14 km/hUV 6 · Hi
    06:2018:04
  • Sun, Sep 13Sun
    +19°/+14°
    feels +17°5.9 mm · 98%23 km/hUV 4 · Mod
    06:1818:05
  • Mon, Sep 14Mon
    +16°/+13°
    feels +15°2.0 mm · 43%19 km/hUV 6 · Hi
    06:1718:06
  • Tue, Sep 15Tue
    +14°/+10°
    feels +11°0.2 mm · 45%19 km/hUV 6 · Hi
    06:1518:06
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  • Wed, Sep 16Wed
    +15°/+8°
    feels +14°0 mm · 2%13 km/hUV 6 · Hi
    06:1418:07
  • Thu, Sep 17Thu
    +17°/+5°
    feels +17°9 km/hUV 6 · Hi
    06:1318:08
  • Fri, Sep 18Fri
    +20°/+10°
    feels +20°9 km/hUV 6 · Hi
    06:1118:09
  • Sat, Sep 19Sat
    +23°/+11°
    feels +23°0 mm · 4%13 km/hUV 7 · Hi
    06:1018:09
  • Sun, Sep 20Sun
    +24°/+14°
    feels +25°0 mm · 18%16 km/hUV 6 · Hi
    06:0818:10
  • Mon, Sep 21Mon
    +16°/+12°
    feels +16°0 mm · 16%14 km/hUV 7 · Hi
    06:0718:11
  • Tue, Sep 22Tue
    +24°/+10°
    feels +24°0 mm · 10%11 km/hUV 6 · Hi
    06:0618:11
  • Wed, Sep 23Wed
    +25°/+18°
    feels +24°1.2 mm · 22%20 km/hUV 2 · Low
    06:0418:12
  • Thu, Sep 24Thu
    +17°/+9°
    feels +16°27.0 mm · 25%28 km/hUV 7 · Hi
    06:0318:13
  • Fri, Sep 25Fri
    +13°/+9°
    feels +10°10.4 mm · 22%25 km/hUV 3 · Low
    06:0118:14

Weather Insight

Adelaide's 15-day outlook ranges from a low of 5°C to a high of 25°C, with an average daytime high near 19°C. That's 2° above the long-term average high of 17°C for this time of year. It continues a recent pattern — 22 of the last 28 days with published data have run warmer than normal. Air quality is currently good (AQI 40), with no notable outdoor health concerns.

Today vs Normal

19°C+2° above normal

The long-term average high for today is 17°C.

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

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

2026-08-28: 21°C21°2026-08-29: 20°C20°2026-08-30: 20°C20°2026-08-31: 21°C21°2026-09-01: 22°C22°2026-09-02: 15°C15°2026-09-03: 17°C17°2026-09-04: 19°C19°2026-09-05: 15°C15°2026-09-06: 16°C16°2026-09-07: 18°C18°2026-09-08: 19°C19°

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 Adelaide

Over the next 15 days, Adelaide is forecast to see temperatures ranging from 5°C to 26°C, averaging a daily high of 19°C. The extended outlook indicates significant rainfall totalling 46.7 mm spread across 6 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.