15-Day Weather Forecast - Brasília

15-day weather forecast for Brasília: temperatures from 19°C (66°F) to 34°C (93°F). Average daily high 31°C (88°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +30°C

15-Day Temperature Trend

30°20°TodaySep32°19°Tmrw33°23°Sun34°21°Mon32°20°Tue32°20°Wed31°20°Thu28°20°Fri30°19°Sat31°21°Sun32°21°Mon32°20°Tue31°20°Wed26°20°Thu27°19°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +30°/+20°
    feels +30°16 km/hUV 9 · V.Hi
    06:1018:06
  • Sat, Sep 12Tomorrow
    +32°/+19°
    feels +33°11 km/hUV 9 · V.Hi
    06:0918:07
  • Sun, Sep 13Sun
    +33°/+23°
    feels +32°12 km/hUV 9 · V.Hi
    06:0818:07
  • Mon, Sep 14Mon
    +34°/+21°
    feels +33°0 mm · 2%18 km/hUV 9 · V.Hi
    06:0718:07
  • Tue, Sep 15Tue
    +32°/+20°
    feels +32°0 mm · 6%16 km/hUV 9 · V.Hi
    06:0618:07
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  • Wed, Sep 16Wed
    +32°/+20°
    feels +33°0 mm · 19%13 km/hUV 8 · Hi
    06:0618:07
  • Thu, Sep 17Thu
    +31°/+20°
    feels +30°3.0 mm · 59%17 km/hUV 8 · Hi
    06:0518:07
  • Fri, Sep 18Fri
    +28°/+20°
    feels +29°3.2 mm · 45%17 km/hUV 9 · V.Hi
    06:0418:07
  • Sat, Sep 19Sat
    +30°/+19°
    feels +30°1.0 mm · 23%12 km/hUV 6 · Mod
    06:0318:07
  • Sun, Sep 20Sun
    +31°/+21°
    feels +31°0 mm · 18%16 km/hUV 10 · V.Hi
    06:0318:07
  • Mon, Sep 21Mon
    +32°/+21°
    feels +33°1.2 mm · 33%16 km/hUV 6 · Mod
    06:0218:07
  • Tue, Sep 22Tue
    +32°/+20°
    feels +33°1.2 mm · 39%15 km/hUV 7 · Hi
    06:0118:07
  • Wed, Sep 23Wed
    +31°/+20°
    feels +31°0.6 mm · 53%10 km/hUV 8 · Hi
    06:0018:08
  • Thu, Sep 24Thu
    +26°/+20°
    feels +30°9.6 mm · 51%9 km/hUV 8 · Hi
    05:5918:08
  • Fri, Sep 25Fri
    +27°/+19°
    feels +29°1.7 mm · 45%19 km/hUV 8 · V.Hi
    05:5918:08

Weather Insight

Brasília's 15-day outlook ranges from a low of 19°C to a high of 34°C, with an average daytime high near 31°C. That's 1° below the long-term average high of 32°C for this time of year. Air quality is currently good (AQI 32), with no notable outdoor health concerns.

Today vs Normal

30°C-2° below normal

The long-term average high for today is 32°C.

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

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 34°C34°2026-08-29: 36°C36°2026-08-30: 36°C36°2026-08-31: 37°C37°2026-09-01: 37°C37°2026-09-02: 33°C33°2026-09-03: 35°C35°2026-09-04: 35°C35°2026-09-05: 35°C35°2026-09-06: 33°C33°2026-09-07: 31°C31°2026-09-08: 31°C31°

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 Brasília

Over the next 15 days, Brasília is forecast to see temperatures ranging from 18°C to 34°C, averaging a daily high of 31°C. The extended outlook indicates occasional showers on 8 days, with 21.5 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.