Forecasts
Subseasonal Weather Outlook (7 – 20 July 2025)
Issued: 2 July 2025
First forecast week: 7 July – 13 July 2025
Second forecast week: 14 July – 20 July 2025
Drier conditions are predicted over southern Mainland Southeast Asia and parts of the northeastern Maritime Continent in the next fortnight (7 – 20 July).
Wetter conditions are predicted over much of northern Mainland Southeast Asia in Week 1 (7 – 13 July).
Warmer than usual temperatures are predicted over most of the Maritime Continent and southern Mainland Southeast Asia in the next fortnight (7 – 20 July).
There was no discernible Madden-Julian Oscillation (MJO) signal at the beginning of July. Most models predict no significant MJO activity during the forecast period.
The outlook is assessed for the region in general, where conditions are relative to the average conditions for the corresponding time of year. For specific updates on the national scale, the relevant ASEAN National Meteorological and Hydrological Services should be consulted.
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Source: ASEAN Specialised Meteorological Centre (ASMC) and WMO subseasonal-to-seasonal (S2S) prediction project