15-Day Weather Forecast - Rio de Janeiro

15-day weather forecast for Rio de Janeiro: temperatures from 18°C (64°F) to 30°C (86°F). Average daily high 24°C (75°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°TodaySep29°22°Tmrw23°21°Sun24°20°Mon22°20°Tue21°19°Wed20°18°Thu23°18°Fri23°19°Sat25°20°Sun28°21°Mon26°21°Tue22°19°Wed20°19°Thu27°18°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +30°/+20°
    feels +36°0.5 mm · 98%13 km/hUV 8 · Hi
    05:5317:45
  • Sat, Sep 12Tomorrow
    +29°/+22°
    feels +36°1.5 mm · 84%19 km/hUV 8 · Hi
    05:5217:45
  • Sun, Sep 13Sun
    +23°/+21°
    feels +25°4.8 mm · 96%18 km/hUV 3 · Low
    05:5117:46
  • Mon, Sep 14Mon
    +24°/+20°
    feels +27°6.4 mm · 94%13 km/hUV 3 · Low
    05:5017:46
  • Tue, Sep 15Tue
    +22°/+20°
    feels +23°4.1 mm · 81%13 km/hUV 6 · Hi
    05:4917:46
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  • Wed, Sep 16Wed
    +21°/+19°
    feels +22°6.3 mm · 73%20 km/hUV 2 · Low
    05:4817:47
  • Thu, Sep 17Thu
    +20°/+18°
    feels +21°1.6 mm · 55%12 km/hUV 1 · Low
    05:4717:47
  • Fri, Sep 18Fri
    +23°/+18°
    feels +25°0 mm · 12%23 km/hUV 4 · Mod
    05:4617:47
  • Sat, Sep 19Sat
    +23°/+19°
    feels +27°3.2 mm · 41%9 km/hUV 7 · Hi
    05:4517:48
  • Sun, Sep 20Sun
    +25°/+20°
    feels +29°13.2 mm · 55%14 km/hUV 4 · Mod
    05:4417:48
  • Mon, Sep 21Mon
    +28°/+21°
    feels +34°9.4 mm · 44%6 km/hUV 1 · Low
    05:4317:48
  • Tue, Sep 22Tue
    +26°/+21°
    feels +32°3.6 mm · 45%13 km/hUV 2 · Low
    05:4217:49
  • Wed, Sep 23Wed
    +22°/+19°
    feels +26°14.0 mm · 43%18 km/hUV 7 · Hi
    05:4117:49
  • Thu, Sep 24Thu
    +20°/+19°
    feels +21°8.6 mm · 37%13 km/hUV 7 · Hi
    05:4017:49
  • Fri, Sep 25Fri
    +27°/+18°
    feels +30°3.3 mm · 42%20 km/hUV 6 · Hi
    05:3917:49

Weather Insight

Rio de Janeiro's 15-day outlook ranges from a low of 18°C to a high of 30°C, with an average daytime high near 24°C. That's 1° below the long-term average high of 25°C for this time of year. Air quality is currently Moderate (AQI 57), driven mainly by PM2.5 at 13 μg/m³.

Today vs Normal

30°C+5° above normal

The long-term average high for today is 25°C.

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Extended Outlook for Rio de Janeiro

Over the next 15 days, Rio de Janeiro is forecast to see temperatures ranging from 17°C to 30°C, averaging a daily high of 24°C. The extended outlook indicates significant rainfall totalling 80.5 mm spread across 14 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.