15-Day Weather Forecast - Winnipeg

15-day weather forecast for Winnipeg: temperatures from 7°C (45°F) to 24°C (75°F). Average daily high 18°C (64°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +23°C

15-Day Temperature Trend

23°15°TodaySep14°9°Tmrw16°8°Sun14°9°Mon14°10°Tue16°7°Wed17°9°Thu21°11°Fri21°10°Sat24°13°Sun24°12°Mon20°15°Tue16°11°Wed15°8°Thu22°10°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +23°/+15°
    feels +21°0 mm · 7%21 km/hUV 5 · Mod
    06:5819:50
  • Sat, Sep 12Tomorrow
    +14°/+9°
    feels +12°1.5 mm · 19%26 km/hUV 2 · Low
    07:0019:48
  • Sun, Sep 13Sun
    +16°/+8°
    feels +13°0.7 mm · 19%16 km/hUV 5 · Mod
    07:0119:45
  • Mon, Sep 14Mon
    +14°/+9°
    feels +12°21.8 mm · 97%25 km/hUV 2 · Low
    07:0319:43
  • Tue, Sep 15Tue
    +14°/+10°
    feels +10°0.3 mm · 38%27 km/hUV 5 · Mod
    07:0419:41
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  • Wed, Sep 16Wed
    +16°/+7°
    feels +12°0 mm · 24%14 km/hUV 4 · Mod
    07:0619:39
  • Thu, Sep 17Thu
    +17°/+9°
    feels +14°0 mm · 12%12 km/hUV 4 · Mod
    07:0719:37
  • Fri, Sep 18Fri
    +21°/+11°
    feels +17°0 mm · 3%17 km/hUV 5 · Mod
    07:0919:35
  • Sat, Sep 19Sat
    +21°/+10°
    feels +18°0 mm · 4%17 km/hUV 5 · Mod
    07:1019:32
  • Sun, Sep 20Sun
    +24°/+13°
    feels +23°0 mm · 11%13 km/hUV 4 · Mod
    07:1219:30
  • Mon, Sep 21Mon
    +24°/+12°
    feels +22°2.4 mm · 15%17 km/hUV 5 · Mod
    07:1319:28
  • Tue, Sep 22Tue
    +20°/+15°
    feels +20°12.3 mm · 16%17 km/hUV 2 · Low
    07:1519:26
  • Wed, Sep 23Wed
    +16°/+11°
    feels +17°8.7 mm · 18%25 km/hUV 2 · Low
    07:1619:24
  • Thu, Sep 24Thu
    +15°/+8°
    feels +12°0 mm · 23%17 km/hUV 4 · Mod
    07:1819:21
  • Fri, Sep 25Fri
    +22°/+10°
    feels +18°0 mm · 19%31 km/hUV 3 · Mod
    07:1919:19

Weather Insight

Winnipeg's 15-day outlook ranges from a low of 7°C to a high of 24°C, with an average daytime high near 18°C. That's 3° below the long-term average high of 21°C for this time of year. It continues a recent pattern — 14 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 23), with no notable outdoor health concerns.

Today vs Normal

23°C+2° above normal

The long-term average high for today is 21°C.

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

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

2026-08-28: 26°C26°2026-08-29: 27°C27°2026-08-30: 29°C29°2026-08-31: 26°C26°2026-09-01: 23°C23°2026-09-02: 24°C24°2026-09-03: 26°C26°2026-09-04: 25°C25°2026-09-05: 29°C29°2026-09-06: 28°C28°2026-09-07: 23°C23°2026-09-08: 24°C24°

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 Winnipeg

Over the next 15 days, Winnipeg is forecast to see temperatures ranging from 7°C to 24°C, averaging a daily high of 18°C. The extended outlook indicates significant rainfall totalling 47.7 mm spread across 7 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.