Last 7 days
Today
32° / 25° High / Low (°C)
97% Humidity
90% Rain probability
Thunderstorm + hail Condition
~18h Rain duration
What this means
In Biratnagar on 21 Jun 2026, rain is expected: 90% chance, up to 15.4 mm forecast (source: Open-Meteo).
A thunderstorm is expected today for around 18 hours — 90% probability, up to 15.4mm forecast. An umbrella is the right call.
Rain season
Biratnagar sits in the Terai lowlands near the Indian border, making it hotter and more humid than the hills. The southwest monsoon arrives in June and lasts through September, bringing intense heat-and-rain cycles. Winters are dry and cooler; summers before the monsoon are among the hottest in Nepal, regularly exceeding 38°C.
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