See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Partly Cloudy
Feels Like: 19°
Min: 17°
Max: 27°
The next few hours will be partly cloudy, with today reaching 27°C and dropping to 18°C. The coming days will be light rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
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05:56
Sunrise
17:55
Sunset
Moon
Waxing Gibbous
14:50
Moonrise
01:26
Moonset
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View stargazing scoreWeather in Kathmandu today, September 21, 2026
Expect unsettled, showery conditions in Kathmandu on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 26% and the highest odds around 10:00. Cloud is also thick early on, peaking near 54% around 01:00.
Temperatures climb from an overnight low near 17°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 65% and 97% and the peak around 06:00. Airflow remains manageable, reaching about 1.0 km/h around 21:00.
Afternoon showers stay in play, peaking near 100% around 13:00. Skies remain cluttered, with cover about 58% by 23:00. Visibility holds near 14.7 km, though it can fall to 5.4 km. Daylight runs from 05:56 to 17:55, lasting 11 hours 59 minutes of sunlight today.
The practical takeaway for Kathmandu on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 27°C.
Frequently asked questions about weather in Kathmandu
How warm does it get in Kathmandu?
The warmest month in Kathmandu is August, with average high temperatures of 26°C. The average temperature during this period is around 23°C.
How cold does it get in Kathmandu?
The coldest month in Kathmandu is January, with average low temperatures of 5°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Kathmandu?
The wettest month in Kathmandu is July, with an average of 826mm of precipitation.
What is the driest time of year in Kathmandu?
The driest month in Kathmandu is December, with an average of 20mm of precipitation.
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