15-Day Weather Forecast - Montevideo

15-day weather forecast for Montevideo: temperatures from 6°C (43°F) to 20°C (68°F). Average daily high 14°C (57°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +12°C

15-Day Temperature Trend

12°10°TodaySep12°10°Tmrw9°9°Sun11°9°Mon11°9°Tue8°8°Wed15°6°Thu14°11°Fri16°11°Sat20°14°Sun17°13°Mon13°9°Tue12°7°Wed16°8°Thu20°11°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +12°/+10°
    feels +11°0.2 mm · 25%19 km/hUV 5 · Mod
    06:4918:33
  • Sat, Sep 12Tomorrow
    +12°/+10°
    feels +9°1.8 mm · 92%38 km/hUV 2 · Low
    06:4818:34
  • Sun, Sep 13Sun
    +9°/+9°
    feels +6°3.1 mm · 62%26 km/hUV 4 · Mod
    06:4618:34
  • Mon, Sep 14Mon
    +11°/+9°
    feels +9°1.6 mm · 23%20 km/hUV 5 · Mod
    06:4518:35
  • Tue, Sep 15Tue
    +11°/+9°
    feels +7°0 mm · 16%33 km/hUV 6 · Hi
    06:4418:36
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  • Wed, Sep 16Wed
    +8°/+8°
    feels +6°26 km/hUV 7 · Hi
    06:4218:36
  • Thu, Sep 17Thu
    +15°/+6°
    feels +14°19 km/hUV 7 · Hi
    06:4118:37
  • Fri, Sep 18Fri
    +14°/+11°
    feels +13°0 mm · 2%23 km/hUV 7 · Hi
    06:3918:38
  • Sat, Sep 19Sat
    +16°/+11°
    feels +15°0 mm · 3%20 km/hUV 6 · Mod
    06:3818:39
  • Sun, Sep 20Sun
    +20°/+14°
    feels +19°0.2 mm · 23%20 km/hUV 4 · Mod
    06:3718:39
  • Mon, Sep 21Mon
    +17°/+13°
    feels +16°7.6 mm · 29%25 km/hUV 7 · Hi
    06:3518:40
  • Tue, Sep 22Tue
    +13°/+9°
    feels +10°0 mm · 20%23 km/hUV 7 · Hi
    06:3418:41
  • Wed, Sep 23Wed
    +12°/+7°
    feels +10°0 mm · 14%16 km/hUV 7 · Hi
    06:3218:42
  • Thu, Sep 24Thu
    +16°/+8°
    feels +15°0 mm · 27%17 km/hUV 1 · Low
    06:3118:42
  • Fri, Sep 25Fri
    +20°/+11°
    feels +18°0 mm · 22%22 km/hUV 6 · Hi
    06:2918:43

Weather Insight

Montevideo's 15-day outlook ranges from a low of 6°C to a high of 20°C, with an average daytime high near 14°C. That's 1° below the long-term average high of 15°C for this time of year. It continues a recent pattern — 6 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 46), with no notable outdoor health concerns.

Today vs Normal

12°C-3° below normal

The long-term average high for today is 15°C.

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

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

2026-08-28: 14°C14°2026-08-29: 14°C14°2026-08-30: 16°C16°2026-08-31: 17°C17°2026-09-01: 14°C14°2026-09-02: 18°C18°2026-09-03: 15°C15°2026-09-04: 13°C13°2026-09-05: 11°C11°2026-09-06: 10°C10°2026-09-07: 11°C11°2026-09-08: 15°C15°

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 Montevideo

Over the next 15 days, Montevideo is forecast to see temperatures ranging from 5°C to 21°C, averaging a daily high of 14°C. The extended outlook indicates occasional showers on 6 days, with 14.5 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.