See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Light Rain
Feels Like: 16°
Min: 15°
Max: 24°
The next few hours will be light rain, with today reaching 24°C and dropping to 15°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
Daylight Hours
06:28
Sunrise
18:28
Sunset
Moon
Waxing Crescent
07:12
Moonrise
19:35
Moonset
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Weather in Nairobi today, September 12, 2026
Nairobi starts September 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Morning plans should assume damp conditions, as rain chances climb toward 98% around 07:00. Cloud cover is also at its densest near 06:00 at roughly 88%.
The day peaks near 24°C and cools toward 15°C. Relative humidity sits between 55% and 99%, reaching its peak around 05:00. Airflow remains manageable, reaching about 3.0 km/h around 15:00.
Through the afternoon wet weather remains a factor, with rain chances near 98% around 12:00. Cloud also stays substantial, close to 71% near 12:00. Horizontal visibility holds close to 16.1 km. The sun rises at 06:28 and sets at 18:28, for a total of 11 hours 59 minutes of sunlight today.
The practical takeaway for Nairobi on September 12, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 24°C.
Frequently asked questions about weather in Nairobi
How warm does it get in Nairobi?
The warmest month in Nairobi is March, with average high temperatures of 28°C. The average temperature during this period is around 21°C.
How cold does it get in Nairobi?
The coldest month in Nairobi is August, with average low temperatures of 13°C. The average temperature during this period is around 18°C.
What is the wettest time of year in Nairobi?
The wettest month in Nairobi is April, with an average of 145mm of precipitation.
What is the driest time of year in Nairobi?
The driest month in Nairobi is July, with an average of 19mm of precipitation.
