15-Day Weather Forecast - São Paulo

15-day weather forecast for São Paulo: temperatures from 13°C (55°F) to 28°C (82°F). Average daily high 21°C (70°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +28°C

15-Day Temperature Trend

28°15°TodaySep27°17°Tmrw18°14°Sun18°14°Mon22°15°Tue20°13°Wed17°13°Thu21°14°Fri21°15°Sat20°17°Sun23°18°Mon23°17°Tue18°15°Wed18°14°Thu22°14°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +28°/+15°
    feels +28°11.2 mm · 96%20 km/hUV 8 · Hi
    06:0717:59
  • Sat, Sep 12Tomorrow
    +27°/+17°
    feels +29°49.2 mm · 94%14 km/hUV 7 · Hi
    06:0617:59
  • Sun, Sep 13Sun
    +18°/+14°
    feels +17°15.8 mm · 84%13 km/hUV 3 · Low
    06:0517:59
  • Mon, Sep 14Mon
    +18°/+14°
    feels +19°23.4 mm · 90%8 km/hUV 7 · Hi
    06:0418:00
  • Tue, Sep 15Tue
    +22°/+15°
    feels +22°1.5 mm · 75%16 km/hUV 3 · Mod
    06:0318:00
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  • Wed, Sep 16Wed
    +20°/+13°
    feels +20°0.6 mm · 20%13 km/hUV 8 · Hi
    06:0218:00
  • Thu, Sep 17Thu
    +17°/+13°
    feels +17°0 mm · 10%12 km/hUV 4 · Mod
    06:0118:00
  • Fri, Sep 18Fri
    +21°/+14°
    feels +22°2.2 mm · 33%11 km/hUV 5 · Mod
    06:0018:01
  • Sat, Sep 19Sat
    +21°/+15°
    feels +22°9.2 mm · 67%12 km/hUV 5 · Mod
    05:5918:01
  • Sun, Sep 20Sun
    +20°/+17°
    feels +22°20.4 mm · 83%12 km/hUV 5 · Mod
    05:5818:01
  • Mon, Sep 21Mon
    +23°/+18°
    feels +26°8.6 mm · 63%12 km/hUV 5 · Mod
    05:5718:02
  • Tue, Sep 22Tue
    +23°/+17°
    feels +25°22.2 mm · 46%7 km/hUV 3 · Low
    05:5618:02
  • Wed, Sep 23Wed
    +18°/+15°
    feels +20°18.4 mm · 31%13 km/hUV 5 · Mod
    05:5518:02
  • Thu, Sep 24Thu
    +18°/+14°
    feels +17°0 mm · 35%12 km/hUV 8 · V.Hi
    05:5418:03
  • Fri, Sep 25Fri
    +22°/+14°
    feels +24°0 mm · 24%12 km/hUV 8 · V.Hi
    05:5218:03

Weather Insight

São Paulo's 15-day outlook ranges from a low of 13°C to a high of 28°C, with an average daytime high near 21°C. That's 5° below the long-term average high of 26°C for this time of year. Air quality is currently good (AQI 40), with no notable outdoor health concerns.

Today vs Normal

28°C+2° above normal

The long-term average high for today is 26°C.

17 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: 31°C31°2026-08-29: 32°C32°2026-08-30: 28°C28°2026-08-31: 30°C30°2026-09-01: 21°C21°2026-09-02: 22°C22°2026-09-03: 27°C27°2026-09-04: 28°C28°2026-09-05: 24°C24°2026-09-06: 14°C14°2026-09-07: 15°C15°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 São Paulo

Over the next 15 days, São Paulo is forecast to see temperatures ranging from 12°C to 28°C, averaging a daily high of 21°C. The extended outlook indicates significant rainfall totalling 182.7 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.