Last 7 days
Today
30° / 25° High / Low (°C)
90% Humidity
68% Rain probability
Drizzle Condition
~8h Rain duration
What this means
In Surabaya on 6 Aug 2026, rain is expected: 68% chance, up to 2.1 mm forecast (source: Open-Meteo).
Scattered showers is expected today for around 8 hours — 68% probability, up to 2.1mm forecast. An umbrella is the right call.
Rain season
Surabaya's wet season (November–April) is driven by the northwest monsoon, with December–February the most intense months. East Java has a more pronounced dry season (May–October) than western Indonesia — Surabaya can go months without significant rain in the dry season. Annual rainfall averages 1,600mm; urban flooding is a recurring challenge during monsoon peaks.
Elsewhere in Indonesia