15-Day Weather Forecast - Port Moresby

15-day weather forecast for Port Moresby: temperatures from 22°C (72°F) to 29°C (84°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 +28°C

15-Day Temperature Trend

28°22°TodaySep28°22°Tmrw29°23°Sun27°23°Mon28°24°Tue28°24°Wed28°24°Thu29°23°Fri28°23°Sat28°23°Sun29°23°Mon29°23°Tue29°24°Wed28°24°Thu28°24°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +28°/+22°
    feels +29°0 mm · 14%33 km/hUV 9 · V.Hi
    06:0718:08
  • Sat, Sep 12Tomorrow
    +28°/+22°
    feels +29°0 mm · 67%37 km/hUV 9 · V.Hi
    06:0718:08
  • Sun, Sep 13Sun
    +29°/+23°
    feels +30°0 mm · 37%32 km/hUV 9 · V.Hi
    06:0618:08
  • Mon, Sep 14Mon
    +27°/+23°
    feels +29°0.1 mm · 31%33 km/hUV 9 · V.Hi
    06:0518:07
  • Tue, Sep 15Tue
    +28°/+24°
    feels +30°0 mm · 63%34 km/hUV 8 · V.Hi
    06:0518:07
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  • Wed, Sep 16Wed
    +28°/+24°
    feels +29°0 mm · 41%31 km/hUV 6 · Hi
    06:0418:07
  • Thu, Sep 17Thu
    +28°/+24°
    feels +30°0 mm · 29%37 km/hUV 9 · V.Hi
    06:0418:07
  • Fri, Sep 18Fri
    +29°/+23°
    feels +30°0 mm · 8%33 km/hUV 9 · V.Hi
    06:0318:07
  • Sat, Sep 19Sat
    +28°/+23°
    feels +31°0 mm · 14%34 km/hUV 9 · V.Hi
    06:0218:07
  • Sun, Sep 20Sun
    +28°/+23°
    feels +31°2.4 mm · 16%35 km/hUV 9 · V.Hi
    06:0218:07
  • Mon, Sep 21Mon
    +29°/+23°
    feels +31°0 mm · 14%33 km/hUV 9 · V.Hi
    06:0118:07
  • Tue, Sep 22Tue
    +29°/+23°
    feels +32°0 mm · 12%32 km/hUV 8 · V.Hi
    06:0118:07
  • Wed, Sep 23Wed
    +29°/+24°
    feels +32°0 mm · 12%27 km/hUV 8 · Hi
    06:0018:07
  • Thu, Sep 24Thu
    +28°/+24°
    feels +33°0 mm · 14%23 km/hUV 8 · Hi
    05:5918:07
  • Fri, Sep 25Fri
    +28°/+24°
    feels +33°0.6 mm · 24%21 km/hUV 9 · V.Hi
    05:5918:06

Weather Insight

Port Moresby's 15-day outlook ranges from a low of 22°C to a high of 29°C, with an average daytime high near 28°C. Air quality is currently good (AQI 49), with no notable outdoor health concerns.

Today vs Normal

28°C0° below normal

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

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

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

2026-08-28: 28°C28°2026-08-29: 28°C28°2026-08-30: 28°C28°2026-08-31: 27°C27°2026-09-01: 27°C27°2026-09-02: 27°C27°2026-09-03: 28°C28°2026-09-04: 27°C27°2026-09-05: 27°C27°2026-09-06: 27°C27°2026-09-07: 27°C27°2026-09-08: 27°C27°

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 Port Moresby

Over the next 15 days, Port Moresby is forecast to see temperatures ranging from 22°C to 30°C, averaging a daily high of 28°C. The extended outlook indicates occasional showers on 3 days, with 3.1 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.