15-Day Weather Forecast - Glasgow

15-day weather forecast for Glasgow: temperatures from 7°C (45°F) to 18°C (64°F). Average daily high 15°C (59°F) over the next 15 days.

Hourly Forecast by Day

Today·10 Sep
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Temperature · peaks at +16°C

15-Day Temperature Trend

16°13°TodaySep16°13°Tmrw17°13°Sat18°10°Sun18°14°Mon15°11°Tue14°11°Wed13°12°Thu14°12°Fri13°10°Sat14°10°Sun15°10°Mon14°10°Tue13°9°Wed13°7°Thu
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Thu, Sep 10Today
    +16°/+13°
    feels +15°3.3 mm · 100%21 km/hUV 1 · Low
    06:3819:47
  • Fri, Sep 11Tomorrow
    +16°/+13°
    feels +14°0.7 mm · 41%18 km/hUV 2 · Low
    06:4019:45
  • Sat, Sep 12Sat
    +17°/+13°
    feels +16°5.5 mm · 100%27 km/hUV 2 · Low
    06:4219:42
  • Sun, Sep 13Sun
    +18°/+10°
    feels +17°0 mm · 20%8 km/hUV 4 · Mod
    06:4419:39
  • Mon, Sep 14Mon
    +18°/+14°
    feels +17°3.3 mm · 88%22 km/hUV 3 · Mod
    06:4619:37
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  • Tue, Sep 15Tue
    +15°/+11°
    feels +12°3.0 mm · 67%29 km/hUV 4 · Mod
    06:4819:34
  • Wed, Sep 16Wed
    +14°/+11°
    feels +11°6.8 mm · 61%27 km/hUV 3 · Mod
    06:5019:31
  • Thu, Sep 17Thu
    +13°/+12°
    feels +10°9.6 mm · 80%24 km/hUV 1 · Low
    06:5219:29
  • Fri, Sep 18Fri
    +14°/+12°
    feels +11°1.0 mm · 35%20 km/hUV 2 · Low
    06:5419:26
  • Sat, Sep 19Sat
    +13°/+10°
    feels +10°4.4 mm · 51%26 km/hUV 4 · Mod
    06:5619:24
  • Sun, Sep 20Sun
    +14°/+10°
    feels +11°0 mm · 39%20 km/hUV 3 · Mod
    06:5819:21
  • Mon, Sep 21Mon
    +15°/+10°
    feels +12°13.6 mm · 47%27 km/hUV 3 · Low
    07:0019:18
  • Tue, Sep 22Tue
    +14°/+10°
    feels +11°29.6 mm · 38%24 km/hUV 3 · Low
    07:0219:16
  • Wed, Sep 23Wed
    +13°/+9°
    feels +9°8.2 mm · 36%24 km/hUV 3 · Mod
    07:0419:13
  • Thu, Sep 24Thu
    +13°/+7°
    feels +9°0.8 mm · 33%25 km/hUV 3 · Mod
    07:0619:10

Weather Insight

Glasgow's 15-day outlook ranges from a low of 7°C to a high of 18°C, with an average daytime high near 15°C. Air quality is currently good (AQI 26), with no notable outdoor health concerns.

Today vs Normal

16°C+1° above normal

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

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

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

2026-08-19: 13°C13°2026-08-20: 16°C16°2026-08-21: 16°C16°2026-08-22: 16°C16°2026-08-23: 16°C16°2026-08-24: 19°C19°2026-08-25: 17°C17°2026-08-26: 20°C20°2026-08-27: 19°C19°2026-08-28: 18°C18°2026-08-29: 18°C18°2026-08-30: 16°C16°

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 Glasgow

Over the next 15 days, Glasgow is forecast to see temperatures ranging from 7°C to 19°C, averaging a daily high of 15°C. The extended outlook indicates significant rainfall totalling 89.8 mm spread across 13 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.