15-Day Weather Forecast - Winnipeg

15-day weather forecast for Winnipeg: temperatures from 7°C (45°F) to 29°C (84°F). Average daily high 19°C (66°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°10°TodaySep21°15°Tmrw14°10°Sat17°9°Sun13°9°Mon14°10°Tue19°8°Wed24°12°Thu24°14°Fri21°10°Sat28°15°Sun25°15°Mon16°13°Tue13°10°Wed11°7°Thu
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Thu, Sep 10Today
    +29°/+10°
    feels +27°25 km/hUV 5 · Mod
    06:5719:52
  • Fri, Sep 11Tomorrow
    +21°/+15°
    feels +18°0 mm · 8%18 km/hUV 5 · Mod
    06:5819:50
  • Sat, Sep 12Sat
    +14°/+10°
    feels +12°0 mm · 6%27 km/hUV 2 · Low
    07:0019:48
  • Sun, Sep 13Sun
    +17°/+9°
    feels +14°0 mm · 6%12 km/hUV 5 · Mod
    07:0119:45
  • Mon, Sep 14Mon
    +13°/+9°
    feels +11°29.0 mm · 78%21 km/hUV 1 · Low
    07:0319:43
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  • Tue, Sep 15Tue
    +14°/+10°
    feels +10°0.6 mm · 33%23 km/hUV 3 · Low
    07:0419:41
  • Wed, Sep 16Wed
    +19°/+8°
    feels +15°0 mm · 23%18 km/hUV 4 · Mod
    07:0619:39
  • Thu, Sep 17Thu
    +24°/+12°
    feels +22°0 mm · 23%11 km/hUV 5 · Mod
    07:0719:37
  • Fri, Sep 18Fri
    +24°/+14°
    feels +21°0 mm · 5%19 km/hUV 5 · Mod
    07:0919:35
  • Sat, Sep 19Sat
    +21°/+10°
    feels +19°0 mm · 5%16 km/hUV 5 · Mod
    07:1019:32
  • Sun, Sep 20Sun
    +28°/+15°
    feels +25°0.6 mm · 5%22 km/hUV 5 · Mod
    07:1219:30
  • Mon, Sep 21Mon
    +25°/+15°
    feels +22°1.3 mm · 17%29 km/hUV 4 · Mod
    07:1319:28
  • Tue, Sep 22Tue
    +16°/+13°
    feels +13°8.4 mm · 19%28 km/hUV 3 · Mod
    07:1519:26
  • Wed, Sep 23Wed
    +13°/+10°
    feels +9°2.3 mm · 16%29 km/hUV 3 · Low
    07:1619:24
  • Thu, Sep 24Thu
    +11°/+7°
    feels +5°0 mm · 16%30 km/hUV 3 · Low
    07:1819:21

Weather Insight

Winnipeg's 15-day outlook ranges from a low of 7°C to a high of 29°C, with an average daytime high near 19°C. That's 2° below the long-term average high of 21°C for this time of year. It continues a recent pattern — 6 of the last 20 days with published data have run cooler than normal. Air quality is currently good (AQI 20), with no notable outdoor health concerns.

Today vs Normal

29°C+8° above normal

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

6 of the last 20 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.

2026-08-19: 24°C24°2026-08-20: 23°C23°2026-08-21: 25°C25°2026-08-22: 23°C23°2026-08-23: 25°C25°2026-08-24: 27°C27°2026-08-25: 23°C23°2026-08-26: 24°C24°2026-08-27: 24°C24°2026-08-28: 26°C26°2026-08-29: 27°C27°2026-08-30: 29°C29°

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 29°C, averaging a daily high of 19°C. The extended outlook indicates significant rainfall totalling 42.2 mm spread across 6 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.