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Ruiru weather

Kiambu County · 490,120 inhabitants · Thursday, October 29 · updated 20:41

Drizzle
29°
Drizzle
Feels like 32°C
Wind
15 km/h
Gusts
19 km/h
Humidity
37 %
Pressure
1011 hPa
Clouds
91 %
Storm
No
Rise 06:11 Set 18:20 Day 12 h 9 min UV 5 · Moderate

Morning, afternoon, evening

Trend
Evening
Rain
Rain
22°
Feels like 27°
Wind ↑ NE 26 km/h
Gusts 36 km/h
Humidity 74 %
💧 6.5 mm
21:00
Rain
22°
6.1mm
ENE 12
00:00
Rain
20°
9.1mm
ENE 9

Ruiru forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +2.1° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
14°18°23°27°31°TodayFriSatSunMonTueWed28°17°Thu 29 Oct: max 29° · min 20° · normal 20.6°Fri 30 Oct: max 28° · min 18° · normal 20.5°Sat 31 Oct: max 27° · min 17° · normal 20.5°Sun 1 Nov: max 28° · min 17° · normal 20.5°Mon 2 Nov: max 28° · min 16° · normal 20.5°Tue 3 Nov: max 27° · min 17° · normal 20.4°Wed 4 Nov: max 28° · min 17° · normal 20.4°

Hourly detail

ThuFriSatSunMonTueWedThu14°22°30°28°16°011
Temperature (°C) Rain (mm) Wind (km/h)

Ruiru climate: what a normal year looks like

The hottest stretch is March, when afternoons average 27 °C; the coldest is July, when nights average 13 °C.

Afternoons climb to 25 °C only in 4 months of the year, with a typical peak of 27 °C in February.

A normal year brings roughly 820 mm of rain — less than 63% of the towns of 20,000+ people we compared it with.

Forecast highs for the coming week average 28 °C, 3 °C warmer than a normal October (25 °C).

30-year averages (1991–2020)
MonthTypical highTypical lowRainfall
Jan26 °C14 °C41 mm
Feb27 °C15 °C31 mm
Mar27 °C16 °C73 mm
Apr25 °C16 °C153 mm
May24 °C16 °C111 mm
Jun23 °C14 °C49 mm
Jul22 °C13 °C24 mm
Aug23 °C13 °C30 mm
Sep25 °C14 °C22 mm
Oct25 °C15 °C69 mm
Nov24 °C15 °C142 mm
Dec24 °C15 °C71 mm
Whole year24 °C15 °C820 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 1.15° S, 36.96° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Ruiru: pollution and pollen

1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.54µg/m³
PM104µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Ruiru

Rain observed over the last two hours by official weather radars around Ruiru, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Ruiru yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Ruiru

Waning gibbous
87 % illuminated · 18.3 days
Rise 03:27 Set 16:02
Fri 30/10 79%
Sat 31/10 69%
Sun 1/11 59%
Mon 2/11 49% Last quarter
Tue 3/11 38%
Wed 4/11 28%
Thu 5/11 19%
Fri 6/11 12%
Sat 7/11 6%
Sun 8/11 2%
Mon 9/11 0%
Tue 10/11 1% New moon

Moonrise and moonset in local time (Africa/Nairobi); phase and lit fraction from a synodic calculation.

Look up a past day in Ruiru

Curious about the weather in Ruiru on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Ruiru weather at a glance

This page gathers everything about the weather in Ruiru, Kiambu County: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “drizzle”, it is 29 °C (feels like 32 °C) and the wind blows at 15 km/h.

Expected range today: 20 °C to 29 °C and around 17 mm of rain; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Ruiru weather data for developers

Use the Ruiru forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

Create a free key

Where does this forecast come from? Our engine, checked every day against 1125 weather stations