15-Day Weather Forecast - Halifax

15-day weather forecast for Halifax: temperatures from 5°C (41°F) to 21°C (70°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 +18°C

15-Day Temperature Trend

18°11°TodaySep18°8°Tmrw19°10°Sun19°11°Mon19°7°Tue19°8°Wed21°9°Thu16°6°Fri21°12°Sat18°8°Sun18°8°Mon15°11°Tue15°12°Wed19°12°Thu13°5°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +18°/+11°
    feels +17°22 km/hUV 6 · Mod
    06:4819:32
  • Sat, Sep 12Tomorrow
    +18°/+8°
    feels +18°12 km/hUV 6 · Mod
    06:4919:30
  • Sun, Sep 13Sun
    +19°/+10°
    feels +17°0.3 mm · 66%19 km/hUV 4 · Mod
    06:5019:28
  • Mon, Sep 14Mon
    +19°/+11°
    feels +20°8.9 mm · 66%21 km/hUV 5 · Mod
    06:5219:26
  • Tue, Sep 15Tue
    +19°/+7°
    feels +17°0 mm · 4%14 km/hUV 6 · Mod
    06:5319:24
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  • Wed, Sep 16Wed
    +19°/+8°
    feels +18°0 mm · 3%13 km/hUV 5 · Mod
    06:5419:22
  • Thu, Sep 17Thu
    +21°/+9°
    feels +21°0 mm · 28%16 km/hUV 5 · Mod
    06:5519:21
  • Fri, Sep 18Fri
    +16°/+6°
    feels +14°0 mm · 28%16 km/hUV 3 · Low
    06:5619:19
  • Sat, Sep 19Sat
    +21°/+12°
    feels +21°2.1 mm · 22%25 km/hUV 2 · Low
    06:5719:17
  • Sun, Sep 20Sun
    +18°/+8°
    feels +16°0 mm · 21%16 km/hUV 6 · Mod
    06:5919:15
  • Mon, Sep 21Mon
    +18°/+8°
    feels +16°0 mm · 21%7 km/hUV 3 · Mod
    07:0019:13
  • Tue, Sep 22Tue
    +15°/+11°
    feels +13°2.2 mm · 16%17 km/hUV 1 · Low
    07:0119:11
  • Wed, Sep 23Wed
    +15°/+12°
    feels +14°4.1 mm · 16%18 km/hUV 1 · Low
    07:0219:09
  • Thu, Sep 24Thu
    +19°/+12°
    feels +18°0.9 mm · 11%17 km/hUV 4 · Mod
    07:0319:07
  • Fri, Sep 25Fri
    +13°/+5°
    feels +12°4.4 mm · 13%15 km/hUV 3 · Low
    07:0519:06

Weather Insight

Halifax's 15-day outlook ranges from a low of 5°C to a high of 21°C, with an average daytime high near 18°C. That's 1° below the long-term average high of 19°C for this time of year. Air quality is currently good (AQI 26), with no notable outdoor health concerns.

Today vs Normal

18°C-1° below normal

The long-term average high for today is 19°C.

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

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

2026-08-28: 23°C23°2026-08-29: 24°C24°2026-08-30: 22°C22°2026-08-31: 21°C21°2026-09-01: 22°C22°2026-09-02: 20°C20°2026-09-03: 19°C19°2026-09-04: 20°C20°2026-09-05: 18°C18°2026-09-06: 15°C15°2026-09-07: 17°C17°2026-09-08: 20°C20°

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 Halifax

Over the next 15 days, Halifax is forecast to see temperatures ranging from 5°C to 22°C, averaging a daily high of 18°C. The extended outlook indicates occasional showers on 7 days, with 22.9 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.