15-Day Weather Forecast - Fukuoka

15-day weather forecast for Fukuoka: temperatures from 20°C (68°F) to 33°C (91°F). Average daily high 28°C (82°F) over the next 15 days.

Hourly Forecast by Day

Today·12 Sep
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Temperature · peaks at +29°C

15-Day Temperature Trend

29°23°TodaySep29°24°Tmrw27°24°Mon27°23°Tue28°22°Wed29°22°Thu27°23°Fri28°23°Sat30°24°Sun33°24°Mon30°25°Tue28°24°Wed24°22°Thu28°22°Fri27°20°Sat
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Sat, Sep 12Today
    +29°/+23°
    feels +34°0.6 mm · 89%7 km/hUV 6 · Hi
    05:5918:29
  • Sun, Sep 13Tomorrow
    +29°/+24°
    feels +34°0.4 mm · 100%7 km/hUV 6 · Hi
    05:5918:28
  • Mon, Sep 14Mon
    +27°/+24°
    feels +32°3.2 mm · 94%10 km/hUV 4 · Mod
    06:0018:26
  • Tue, Sep 15Tue
    +27°/+23°
    feels +31°4.2 mm · 84%14 km/hUV 7 · Hi
    06:0118:25
  • Wed, Sep 16Wed
    +28°/+22°
    feels +32°3.9 mm · 87%11 km/hUV 6 · Hi
    06:0118:23
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  • Thu, Sep 17Thu
    +29°/+22°
    feels +33°10.2 mm · 75%12 km/hUV 6 · Mod
    06:0218:22
  • Fri, Sep 18Fri
    +27°/+23°
    feels +33°6.0 mm · 78%8 km/hUV 7 · Hi
    06:0318:21
  • Sat, Sep 19Sat
    +28°/+23°
    feels +34°4.2 mm · 73%13 km/hUV 6 · Hi
    06:0418:19
  • Sun, Sep 20Sun
    +30°/+24°
    feels +33°0.6 mm · 53%17 km/hUV 1 · Low
    06:0418:18
  • Mon, Sep 21Mon
    +33°/+24°
    feels +38°0 mm · 53%9 km/hUV 2 · Low
    06:0518:17
  • Tue, Sep 22Tue
    +30°/+25°
    feels +37°0.6 mm · 57%12 km/hUV 0 · Low
    06:0618:15
  • Wed, Sep 23Wed
    +28°/+24°
    feels +33°3.8 mm · 51%15 km/hUV 5 · Mod
    06:0618:14
  • Thu, Sep 24Thu
    +24°/+22°
    feels +28°26.2 mm · 45%12 km/hUV 7 · Hi
    06:0718:12
  • Fri, Sep 25Fri
    +28°/+22°
    feels +31°0 mm · 31%13 km/hUV 7 · Hi
    06:0818:11
  • Sat, Sep 26Sat
    +27°/+20°
    feels +28°0 mm · 23%11 km/hUV 6 · Hi
    06:0818:10

Weather Insight

Fukuoka's 15-day outlook ranges from a low of 20°C to a high of 33°C, with an average daytime high near 28°C. That's 1° above the long-term average high of 27°C for this time of year. It continues a recent pattern — 19 of the last 28 days with published data have run warmer than normal. Air quality is currently Moderate (AQI 53), driven mainly by PM2.5 at 10 μg/m³.

Today vs Normal

29°C+2° above normal

The long-term average high for today is 27°C.

19 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: 33°C33°2026-08-29: 31°C31°2026-08-30: 32°C32°2026-08-31: 33°C33°2026-09-01: 32°C32°2026-09-02: 32°C32°2026-09-03: 29°C29°2026-09-04: 24°C24°2026-09-05: 28°C28°2026-09-06: 25°C25°2026-09-07: 27°C27°2026-09-08: 27°C27°

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 Fukuoka

Over the next 15 days, Fukuoka is forecast to see temperatures ranging from 20°C to 33°C, averaging a daily high of 28°C. The extended outlook indicates significant rainfall totalling 63.9 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.