15-Day Weather Forecast - Galle

15-day weather forecast for Galle: temperatures from 23°C (73°F) to 31°C (88°F). Average daily high 28°C (82°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +31°C

15-Day Temperature Trend

31°26°TodaySep29°24°Tmrw29°24°Sun28°24°Mon29°23°Tue26°24°Wed28°24°Thu30°24°Fri29°24°Sat27°24°Sun28°25°Mon27°25°Tue27°25°Wed28°25°Thu27°25°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +31°/+26°
    feels +36°2.5 mm · 77%21 km/hUV 9 · V.Hi
    06:0018:10
  • Sat, Sep 12Tomorrow
    +29°/+24°
    feels +35°15.6 mm · 100%19 km/hUV 9 · V.Hi
    06:0018:10
  • Sun, Sep 13Sun
    +29°/+24°
    feels +35°13.0 mm · 96%15 km/hUV 8 · V.Hi
    06:0018:09
  • Mon, Sep 14Mon
    +28°/+24°
    feels +34°14.6 mm · 98%14 km/hUV 9 · V.Hi
    05:5918:09
  • Tue, Sep 15Tue
    +29°/+23°
    feels +33°40.0 mm · 87%16 km/hUV 3 · Low
    05:5918:08
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  • Wed, Sep 16Wed
    +26°/+24°
    feels +31°19.5 mm · 98%18 km/hUV 1 · Low
    05:5918:08
  • Thu, Sep 17Thu
    +28°/+24°
    feels +32°27.6 mm · 99%17 km/hUV 7 · Hi
    05:5918:07
  • Fri, Sep 18Fri
    +30°/+24°
    feels +34°12.6 mm · 100%20 km/hUV 7 · Hi
    05:5918:07
  • Sat, Sep 19Sat
    +29°/+24°
    feels +33°21.6 mm · 100%19 km/hUV 4 · Mod
    05:5918:06
  • Sun, Sep 20Sun
    +27°/+24°
    feels +31°21.6 mm · 100%19 km/hUV 7 · Hi
    05:5818:06
  • Mon, Sep 21Mon
    +28°/+25°
    feels +31°25.8 mm · 98%20 km/hUV 6 · Mod
    05:5818:05
  • Tue, Sep 22Tue
    +27°/+25°
    feels +31°39.6 mm · 100%20 km/hUV 7 · Hi
    05:5818:05
  • Wed, Sep 23Wed
    +27°/+25°
    feels +31°38.4 mm · 100%21 km/hUV 7 · Hi
    05:5818:04
  • Thu, Sep 24Thu
    +28°/+25°
    feels +32°18.6 mm · 100%22 km/hUV 3 · Low
    05:5818:04
  • Fri, Sep 25Fri
    +27°/+25°
    feels +31°33.6 mm · 100%20 km/hUV 6 · Hi
    05:5718:03

Weather Insight

Galle's 15-day outlook ranges from a low of 23°C to a high of 31°C, with an average daytime high near 28°C. Air quality is currently Moderate (AQI 62), driven mainly by PM2.5 at 13 μg/m³.

Today vs Normal

31°C+3° above normal

The long-term average high for today is 28°C.

26 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: 28°C28°2026-08-29: 28°C28°2026-08-30: 28°C28°2026-08-31: 28°C28°2026-09-01: 29°C29°2026-09-02: 29°C29°2026-09-03: 28°C28°2026-09-04: 28°C28°2026-09-05: 29°C29°2026-09-06: 29°C29°2026-09-07: 29°C29°2026-09-08: 29°C29°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Extended Outlook for Galle

Over the next 15 days, Galle is forecast to see temperatures ranging from 22°C to 32°C, averaging a daily high of 28°C. The extended outlook indicates significant rainfall totalling 344.6 mm spread across 15 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.