15-Day Weather Forecast - Sheffield

15-day weather forecast for Sheffield: temperatures from 5°C (41°F) to 23°C (73°F). Average daily high 17°C (63°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +19°C

15-Day Temperature Trend

19°14°TodaySep21°12°Tmrw20°15°Sun23°16°Mon19°14°Tue16°13°Wed18°14°Thu15°11°Fri15°12°Sat16°11°Sun17°9°Mon17°11°Tue15°9°Wed13°6°Thu12°5°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +19°/+14°
    feels +17°0.2 mm · 12%14 km/hUV 3 · Low
    06:3219:31
  • Sat, Sep 12Tomorrow
    +21°/+12°
    feels +20°1.1 mm · 91%28 km/hUV 2 · Low
    06:3419:28
  • Sun, Sep 13Sun
    +20°/+15°
    feels +20°0 mm · 30%10 km/hUV 2 · Low
    06:3519:26
  • Mon, Sep 14Mon
    +23°/+16°
    feels +22°0.6 mm · 40%21 km/hUV 4 · Mod
    06:3719:24
  • Tue, Sep 15Tue
    +19°/+14°
    feels +19°0 mm · 47%26 km/hUV 4 · Mod
    06:3919:21
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  • Wed, Sep 16Wed
    +16°/+13°
    feels +13°0 mm · 22%17 km/hUV 4 · Mod
    06:4119:19
  • Thu, Sep 17Thu
    +18°/+14°
    feels +15°0.6 mm · 52%21 km/hUV 4 · Mod
    06:4219:16
  • Fri, Sep 18Fri
    +15°/+11°
    feels +11°2.3 mm · 24%20 km/hUV 4 · Mod
    06:4419:14
  • Sat, Sep 19Sat
    +15°/+12°
    feels +12°2.0 mm · 42%18 km/hUV 4 · Mod
    06:4619:12
  • Sun, Sep 20Sun
    +16°/+11°
    feels +12°0 mm · 36%24 km/hUV 4 · Mod
    06:4819:09
  • Mon, Sep 21Mon
    +17°/+9°
    feels +16°0 mm · 28%14 km/hUV 4 · Mod
    06:4919:07
  • Tue, Sep 22Tue
    +17°/+11°
    feels +16°1.8 mm · 26%18 km/hUV 4 · Mod
    06:5119:04
  • Wed, Sep 23Wed
    +15°/+9°
    feels +10°0 mm · 31%22 km/hUV 4 · Mod
    06:5319:02
  • Thu, Sep 24Thu
    +13°/+6°
    feels +8°0 mm · 29%23 km/hUV 3 · Mod
    06:5518:59
  • Fri, Sep 25Fri
    +12°/+5°
    feels +9°0 mm · 31%11 km/hUV 2 · Low
    06:5618:57

Weather Insight

Sheffield's 15-day outlook ranges from a low of 5°C to a high of 23°C, with an average daytime high near 17°C. That's 1° below the long-term average high of 18°C for this time of year. Air quality is currently good (AQI 23), with no notable outdoor health concerns.

Today vs Normal

19°C+1° above normal

The long-term average high for today is 18°C.

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

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

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

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 Sheffield

Over the next 15 days, Sheffield is forecast to see temperatures ranging from 5°C to 23°C, averaging a daily high of 17°C. The extended outlook indicates occasional showers on 7 days, with 8.6 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.