Last 7 days
Today
34° / 27° High / Low (°C)
83% Humidity
22% Rain probability
Partly cloudy Condition
What this means
In Surabaya on 21 Oct 2026, no rain is expected: 22% chance, 0.0 mm forecast (source: Open-Meteo).
Today should stay dry — just 22% chance of rain. Safe to leave the umbrella at home.
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.
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