Kenya weather service forecasts light rain and showers across twenty counties this weekend.

Rainfall recorded before the forecast period included about 13.5 millimetres in Kisii and approximately 15.5 millimetres at Koyoo station in Migori, the highest total reported nationally over the preceding 24 hours.
The five-day outlook indicated that Mandera could reach 38°C on September 9 and 10, while Turkana was expected to hold at 36°C and Garissa to reach 35°C later in the period.
Cold conditions were expected in some highland areas, with Nyandarua’s overnight temperatures forecast to fall to 4°C between September 6 and 8; Trans Nzoia and Samburu were also expected to record lows of 7°C and 8°C, respectively.
For Sunday, Nairobi was forecast to have sunny intervals in the morning, light showers in the afternoon and partly cloudy conditions later in the day, following Saturday’s expected rain.
The Thursday forecast gave Nairobi a narrower temperature range of 14°C to 22°C and listed sunrise at 6:26 a.m. and sunset at 6:32 p.m.
Kenya's weather service expects localized light rain and showers across 20 counties through the weekend of September 11-12, 2026, with most of the country remaining generally dry. Kenya Meteorological Department forecasts cloudy conditions and intermittent light rain in Nairobi on Saturday, with temperatures ranging from 14°C to 24°C, while similar showers are expected in parts of central, western, coastal and northeastern Kenya.
Strong southerly to southeasterly winds exceeding 25 knots pose risks for boat operators and travelers in northern and coastal areas. Northern counties including Turkana, Mandera and Garissa will remain hotter and largely dry, with Mandera potentially reaching 38°C, while highland areas like Nyandarua will experience cold nights dropping to 4°C.
Several western and central counties including Kisii, Kakamega, Kericho, Nakuru and Uasin Gishu have already experienced or are expected to receive rain over the forecast period. Streamline Feed reported that Kisii recorded about 13.5 millimetres of rainfall before the forecast period, while Koyoo station in Migori received approximately 15.5 millimetres, the highest total reported nationally over the preceding 24 hours.
Nairobi may see cloudy conditions and intermittent light rain on Saturday, followed by sunny intervals in the morning on Sunday with light showers expected in the afternoon. The Kenya Times noted that Mombasa and Kilifi in the coastal region are also forecast to receive rain, while temperatures in the capital will range from 14°C to 22°C with sunrise at 6:26 a.m. and sunset at 6:32 p.m.
Northern counties will remain largely dry with extreme temperatures. Kenya Meteorological Department forecasts Turkana reaching 36°C and Garissa 35°C, while strong winds exceeding 25 knots in the north and coast create hazards for maritime activity. Highland areas including Trans Nzoia and Samburu will experience cold overnight lows of 7°C and 8°C respectively.
National and county governments are preparing for possible flooding and other risks associated with the approaching October-December short-rains season. The broader weather outlook calls for warm, sunny conditions across most areas, with cold nights persisting in the central highlands and Rift Valley through September.
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