worldweather29°Cwarmer than usual
usually 26°C–28°C
warmer than 87% of similar days
night: exceptionally warm
rain: less rain than usual
wind: exceptionally light
Weather in Sierra Leone - today, tomorrow and 14-day forecast
Right now temperatures across Sierra Leone range from 27° to 31°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Country values are the median of forecasts from 6 cities; the range shows local differences. Methodology.
Weather in Sierra Leone's cities today
🌧️Koidu
31°💧 15.9 mm
🌧️Kenema
30°💧 8.1 mm
🌧️Bo
29°💧 2.4 mm
🌧️Makeni
29°💧 3.4 mm
🌧️Kabala
29°💧 3.8 mm
🌧️Freetown
27°💧 2.6 mm
Weather map - today's temperatures
Next days in Sierra Leone
today🌧️
29°💧 3.6 mm
Sun🌧️
28°💧 10.5 mm
Mon🌧️
29°💧 12.9 mm
Tue🌧️
28°💧 17.6 mm
Wed🌧️
27°💧 16.7 mm
Thu🌧️
28°💧 11 mm
Fri🌧️
28°💧 6.3 mm
Sat🌧️
26°💧 16.3 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Saturday 5 Sept in Sierra Leone, the forecast high is 29°C. Typical daytime temperatures at this time of year range from 26°C to 28°C, so it will be warmer than usual. It is warmer than 87% of similar days.
28°Cnear normal
usually 26°C–28°C
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
29°Cwarmer than usual
usually 26°C–28°C
warmer than 85% of similar days
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
28°Cnear normal
usually 26°C–29°C
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
27°Ccooler than usual
usually 26°C–29°C
cooler than 77% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
28°Cnear normal
usually 27°C–29°C
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
28°Cnear normal
usually 27°C–29°C
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 27°C by day. The coolest year was 1981 (26°C) and the warmest was 2002 (30°C). The current forecast averages 28°C - higher than in 73% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Sierra Leone
Sierra Leone 30 & 45-day weather - long-range outlook
Next 16 days · forecast
27°
around 23° at night · days with rain: 16
Weeks 3-4 · avg for September
29°
around 24° at night · rain chance 48%
Weeks 5-7 · avg for October
30°
around 24° at night · rain chance 26%
The 30 & 45-day outlook for Sierra Leone: the next 16 days are a numerical forecast updated daily - on average 27° by day and 23° at night. Further out we rely on multi-year climate averages: around 29° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.
Today vs the next days - Sierra Leone cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| 🌧️ Koidu | 31℃ | 28℃ | 25℃ | 15.9 mm |
| 🌧️ Kenema | 30℃ | 28℃ | 26℃ | 8.1 mm |
| 🌧️ Bo | 29℃ | 29℃ | 26℃ | 2.4 mm |
| 🌧️ Makeni | 29℃ | 28℃ | 26℃ | 3.4 mm |
| 🌧️ Kabala | 29℃ | 26℃ | 25℃ | 3.8 mm |
| 🌧️ Freetown | 27℃ | 27℃ | 27℃ | 2.6 mm |
Day-by-day forecast for Sierra Leone
Saturday5 September 2026
🌧️29°light rain
Sunday6 September 2026
🌧️28°moderate rain
Monday7 September 2026
🌧️29°moderate rain
Tuesday8 September 2026
🌧️28°moderate rain
Wednesday9 September 2026
🌧️27°moderate rain
Thursday10 September 2026
🌧️28°moderate rain
Friday11 September 2026
🌧️28°moderate rain
Saturday12 September 2026
🌧️26°moderate rain
Sunday13 September 2026
🌧️25°moderate rain
Monday14 September 2026
🌧️25°very heavy rain
Tuesday15 September 2026
🌧️26°light rain
Wednesday16 September 2026
🌧️25°moderate rain
Thursday17 September 2026
🌧️26°moderate rain
Friday18 September 2026
🌧️27°moderate rain
Saturday19 September 2026
🌧️25°moderate rain
Sunday20 September 2026
🌧️27°light rain
Sea temperature - Sierra Leone
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Freetown | 29℃ | 29℃ | 0.3 m | very warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Sierra Leone
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Kenema | 7.3 | 8.8 | very good |
| Bo | 6.6 | 7.9 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 01:00).
Sierra Leone weather through the year
Sierra Leone weather month by month - when is the best time to go?
Weather in other countries in Africa
FAQ - Sierra Leone weather
What is the weather like in Sierra Leone today?
Today it is about 29° during the day and 23° at night, light rain.
How far ahead can I check the forecast for Sierra Leone?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.