The Kenya Meteorological Department has forecast heavy rainfall in Nairobi and other regions between Tuesday, September 16, and Monday, September 22, 2025.

Other regions expected to receive heavy rainfall include the Lake Victoria Basin, Rift Valley, Western Kenya, the Coast and parts of the Central Highlands.

In a report released on Tuesday September 16, 2025, the department said most parts of the country will remain sunny and dry, but several regions should brace for significant rainfall.

Residents in the affected areas have been urged to remain alert to possible weather-related disruptions.

The forecast also warns of strong southerly to south-easterly winds exceeding 25 knots (12.86 m/s) across the Coast and Kenya’s territorial waters, as well as in the south-eastern lowlands, north-eastern and north-western Kenya.

Temperature variations are also expected across the country.

Daytime highs above 30°C will be experienced in the Coast, North-eastern and North-western regions.

In contrast, night-time lows below 10°C are likely in sections of the Central Highlands, the Central Rift Valley and the Mt Kilimanjaro region.

The highest rainfall during the week was 67.3mm recorded at Khalaba Station in Bungoma on September 8.

On the same day, Mandera registered the highest daily maximum temperature at 38.6°C, a reflection of intense heat in the region.

The coldest conditions were reported at Nyahururu, which recorded a minimum of 6.1°C on September 8.