15-Day Weather Forecast - Brasília

15-day weather forecast for Brasília: temperatures from 18°C (64°F) to 34°C (93°F). Average daily high 30°C (86°F) over the next 15 days.

Hourly Forecast by Day

Today·10 Sep
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Temperature · peaks at +29°C

15-Day Temperature Trend

29°19°TodaySep31°20°Tmrw32°20°Sat34°22°Sun34°21°Mon33°20°Tue32°20°Wed31°20°Thu30°20°Fri29°20°Sat29°18°Sun30°19°Mon29°19°Tue27°19°Wed22°20°Thu
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Thu, Sep 10Today
    +29°/+19°
    feels +30°0 mm · 22%15 km/hUV 8 · V.Hi
    06:1018:06
  • Fri, Sep 11Tomorrow
    +31°/+20°
    feels +31°15 km/hUV 9 · V.Hi
    06:1018:06
  • Sat, Sep 12Sat
    +32°/+20°
    feels +33°0 mm · 2%10 km/hUV 9 · V.Hi
    06:0918:07
  • Sun, Sep 13Sun
    +34°/+22°
    feels +32°11 km/hUV 9 · V.Hi
    06:0818:07
  • Mon, Sep 14Mon
    +34°/+21°
    feels +34°18 km/hUV 8 · V.Hi
    06:0718:07
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  • Tue, Sep 15Tue
    +33°/+20°
    feels +34°0 mm · 14%13 km/hUV 9 · V.Hi
    06:0618:07
  • Wed, Sep 16Wed
    +32°/+20°
    feels +33°0 mm · 47%15 km/hUV 8 · Hi
    06:0618:07
  • Thu, Sep 17Thu
    +31°/+20°
    feels +31°3.8 mm · 71%16 km/hUV 8 · V.Hi
    06:0518:07
  • Fri, Sep 18Fri
    +30°/+20°
    feels +32°6.8 mm · 44%16 km/hUV 10 · V.Hi
    06:0418:07
  • Sat, Sep 19Sat
    +29°/+20°
    feels +32°2.0 mm · 30%11 km/hUV 10 · V.Hi
    06:0318:07
  • Sun, Sep 20Sun
    +29°/+18°
    feels +29°4.2 mm · 19%15 km/hUV 9 · V.Hi
    06:0318:07
  • Mon, Sep 21Mon
    +30°/+19°
    feels +31°0 mm · 13%11 km/hUV 9 · V.Hi
    06:0218:07
  • Tue, Sep 22Tue
    +29°/+19°
    feels +31°1.2 mm · 29%13 km/hUV 8 · V.Hi
    06:0118:07
  • Wed, Sep 23Wed
    +27°/+19°
    feels +30°0.6 mm · 46%12 km/hUV 7 · Hi
    06:0018:08
  • Thu, Sep 24Thu
    +22°/+20°
    feels +24°4.8 mm · 45%8 km/hUV 7 · Hi
    05:5918:08

Weather Insight

Brasília's 15-day outlook ranges from a low of 18°C to a high of 34°C, with an average daytime high near 30°C. That's 2° below the long-term average high of 32°C for this time of year. Air quality is currently good (AQI 43), with no notable outdoor health concerns.

Today vs Normal

29°C-3° below normal

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

19 of the last 19 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.

2026-08-19: 33°C33°2026-08-20: 34°C34°2026-08-21: 34°C34°2026-08-22: 34°C34°2026-08-23: 34°C34°2026-08-24: 34°C34°2026-08-25: 34°C34°2026-08-26: 33°C33°2026-08-27: 34°C34°2026-08-28: 34°C34°2026-08-29: 36°C36°2026-08-30: 36°C36°

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 35°C, averaging a daily high of 30°C. The extended outlook indicates occasional showers on 7 days, with 23.4 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.