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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Insightly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Port Moresby’s weather, as shown in the live forecast above, reflects its tropical monsoon climate with high humidity and the chance of afternoon showers. This time of year the city, on Papua New Guinea’s south‑east coast near the Gulf of Papua, sits in a transition period between wetter and drier months.
What drives Port Moresby’s daily weather?
The city’s tropical monsoon climate means a distinct wet season from December to April and a drier period from May to November. The live forecast above captures today’s conditions, but for a broader view, many travellers check the weather in Port Moresby 10 days ahead to plan around the afternoon storms that often build over the Owen Stanley Range. The south‑easterly trade winds tend to bring lower humidity during the dry months, while nor’westers during the wet season carry heavy, humid air.
How does the year shape up for Port Moresby?
If you’re looking at Port Moresby weather by month, the driest months are July and August, when daily maxima hover in the mid‑20s Celsius and rainfall drops sharply. The wettest month is usually January, with frequent rain and high humidity. For a closer look at the coming 24 hours, check weather in Port Moresby tomorrow in the forecast above – localised showers can develop quickly, especially in the late afternoon.
Does a weather warning for Port Moresby get issued often?
The Papua New Guinea National Weather Service issues warnings for tropical cyclones and heavy rain, mainly during the wet season. The Aussie Insightly severe weather warning page tracks alerts for the region, though local advisories are best checked at port moresby weather satellite and radar feeds.
Can I find a Port Moresby weather radar online?
Port Moresby’s own radar is limited, but satellite imagery from the Bureau of Meteorology and Weatherzone provides real‑time cloud cover. For a detailed view, many users rely on the port moresby weather forecast 14 day accuweather data, which blends global models with local observations.
Is Port Moresby safe to visit during the wet season?
Yes, but afternoon storms can cause flash flooding in low‑lying areas. Always check the live forecast above before heading out. The dry months offer clearer conditions for exploring the coastline and nearby islands.