Detailed weather forecast for Bo, Sierra Leone: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Bo
today🌧️29°💧 2.4 mm
Sun🌧️29°💧 15.4 mm
Mon🌧️30°💧 11.4 mm
Tue🌧️29°💧 15.5 mm
Wed🌧️27°💧 21.1 mm
Thu🌧️27°💧 14.7 mm
Fri🌧️27°💧 9 mm
Sat🌧️26°💧 16.3 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Monday 7 Sept in Bo, the forecast high is 30°C. Typical daytime temperatures at this time of year range from 27°C to 29°C, so it will be exceptionally warm. It is warmer than 95% of similar days.
29°Cwarmer than usual
usually 27°C–29°C
warmer than 72% of similar days
night: exceptionally warmrain: less rain than usualwind: exceptionally light
29°Cnear normal
usually 27°C–29°C
night: warmer than usualrain: more rain than usualwind: exceptionally light
From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 2010 (27°C) and the warmest was 2002 (30°C). The current forecast averages 28°C - higher than in 64% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Bo
Day-by-day forecast for Bo
Saturday5 September 2026
🌧️29°light rain
sunrise 06:39 · sunset 18:53 · night 23° · evening 25° · rain 2.42 mm · humidity 70% · wind 2 m/s · clouds 100%
Sunday6 September 2026
🌧️29°moderate rain
sunrise 06:38 · sunset 18:52 · night 23° · evening 24° · rain 15.42 mm · humidity 72% · wind 2 m/s · clouds 98%
Monday7 September 2026
🌧️30°moderate rain
sunrise 06:38 · sunset 18:52 · night 23° · evening 25° · rain 11.43 mm · humidity 65% · wind 2 m/s · clouds 99%
Tuesday8 September 2026
🌧️29°moderate rain
sunrise 06:38 · sunset 18:51 · night 23° · evening 24° · rain 15.54 mm · humidity 72% · wind 2 m/s · clouds 95%
Wednesday9 September 2026
🌧️27°moderate rain
sunrise 06:38 · sunset 18:51 · night 23° · evening 23° · rain 21.13 mm · humidity 87% · wind 2 m/s · clouds 98%
Thursday10 September 2026
🌧️27°moderate rain
sunrise 06:38 · sunset 18:50 · night 23° · evening 24° · rain 14.66 mm · humidity 88% · wind 2 m/s · clouds 95%
Friday11 September 2026
🌧️27°moderate rain
sunrise 06:38 · sunset 18:49 · night 23° · evening 25° · rain 9.03 mm · humidity 79% · wind 2 m/s · clouds 91%
Saturday12 September 2026
🌧️26°moderate rain
sunrise 06:38 · sunset 18:49 · night 23° · evening 24° · rain 16.29 mm · humidity 86% · wind 3 m/s · clouds 99%
Sunday13 September 2026
🌧️26°moderate rain
sunrise 06:37 · sunset 18:48 · night 23° · evening 23° · rain 39.94 mm · humidity 92% · wind 2 m/s · clouds 99%
Monday14 September 2026
🌧️26°moderate rain
sunrise 06:37 · sunset 18:48 · night 22° · evening 24° · rain 15.1 mm · humidity 91% · wind 2 m/s · clouds 99%
Tuesday15 September 2026
🌧️27°light rain
sunrise 06:37 · sunset 18:47 · night 22° · evening 24° · rain 3.4 mm · humidity 71% · wind 2 m/s · clouds 98%
Wednesday16 September 2026
🌧️24°light rain
sunrise 06:37 · sunset 18:47 · night 23° · evening 25° · rain 3.06 mm · humidity 92% · wind 2 m/s · clouds 99%
Thursday17 September 2026
🌧️27°light rain
sunrise 06:37 · sunset 18:46 · night 23° · evening 24° · rain 6.32 mm · humidity 81% · wind 2 m/s · clouds 100%
Friday18 September 2026
🌧️26°moderate rain
sunrise 06:37 · sunset 18:45 · night 23° · evening 24° · rain 21.62 mm · humidity 90% · wind 2 m/s · clouds 85%
Saturday19 September 2026
🌧️24°heavy rain
sunrise 06:37 · sunset 18:45 · night 23° · evening 24° · rain 48.22 mm · humidity 98% · wind 2 m/s · clouds 100%
Sunday20 September 2026
🌧️26°light rain
sunrise 06:37 · sunset 18:44 · night 26° · evening 26° · rain 0.97 mm · humidity 84% · wind 3 m/s · clouds 98%
UV index in Bo - is it safe to sunbathe?
Today the UV index in Bo is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Air quality and smog in Bo
Air quality in Bo is currently very good. Fine particulate PM2.5: 6.6 µg/m³, PM10: 7.9 µg/m³.
City
PM2.5 (µg/m³)
PM10 (µg/m³)
Air quality
Bo
6.6
7.9
very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 01:00).