Weather in Arusha - 14-day forecast

Detailed weather forecast for Arusha, Tanzania: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Arusha

today☁️ 25°night 18°

Sun☁️ 27°💧 0.4 mm

Mon☀️ 26°💧 0.3 mm

Tue☁️ 25°💧 0.1 mm

Wed🌤️ 25°💧 0.3 mm

Thu🌧️ 24°💧 0.2 mm

Fri🌧️ 23°💧 0.6 mm

Sat☁️ 25°💧 0.3 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

Saturday 5 Sept in Arusha, the forecast high is 25°C. Typical daytime temperatures at this time of year range from 28°C to 30°C, so it will be exceptionally cool. It is cooler than 99% of similar days.

Saturday 5 Sept

25°Cexceptionally cool

usually 28°C–30°C

cooler than 99% of similar days

night: exceptionally warm rain: exceptionally dry wind: exceptionally light

Sunday 6 Sept

27°Cexceptionally cool

usually 28°C–30°C

cooler than 95% of similar days

night: exceptionally warm rain: more rain than usual wind: lighter than usual

Monday 7 Sept

26°Cexceptionally cool

usually 28°C–30°C

cooler than 98% of similar days

night: exceptionally warm rain: more rain than usual wind: typical

Tuesday 8 Sept

25°Cexceptionally cool

usually 28°C–30°C

cooler than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: lighter than usual

Wednesday 9 Sept

25°Cexceptionally cool

usually 28°C–30°C

cooler than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Thursday 10 Sept

24°Cexceptionally cool

usually 28°C–30°C

cooler than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: lighter than usual

Friday 11 Sept

23°Cexceptionally cool

usually 28°C–30°C

cooler than 99% of similar days

night: exceptionally warm rain: more rain than usual 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.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 2022 (24°C) and the warmest was 2002 (31°C). The current forecast averages 25°C - lower than in 98% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Arusha

Arusha - 14-day weather forecast infographic

Arusha 30 & 45-day weather - long-range outlook

Next 16 days · forecast

25°

around 19° at night · days with rain: 1

Weeks 3-4 · avg for September

25°

around 15° at night · rain chance 5%

Weeks 5-7 · avg for October

27°

around 17° at night · rain chance 5%

The 30 & 45-day outlook for Arusha: the next 16 days are a numerical forecast updated daily - on average 25° by day and 19° at night. Further out we rely on multi-year climate averages: around 25° in September, and about 27° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Arusha

Saturday5 September 2026

☁️25°overcast clouds

sunrise 06:30 · sunset 18:34 · night 18° · evening 24° · humidity 48% · wind 5 m/s · clouds 100%

Sunday6 September 2026

☁️27°broken clouds

sunrise 06:30 · sunset 18:33 · night 17° · evening 24° · rain 0.35 mm · humidity 31% · wind 6 m/s · clouds 55%

Monday7 September 2026

☀️26°clear sky

sunrise 06:30 · sunset 18:33 · night 19° · evening 24° · rain 0.32 mm · humidity 29% · wind 7 m/s · clouds 9%

Tuesday8 September 2026

☁️25°broken clouds

sunrise 06:29 · sunset 18:33 · night 19° · evening 24° · rain 0.11 mm · humidity 31% · wind 6 m/s · clouds 53%

Wednesday9 September 2026

🌤️25°a few clouds

sunrise 06:29 · sunset 18:33 · night 19° · evening 24° · rain 0.25 mm · humidity 37% · wind 7 m/s · clouds 17%

Thursday10 September 2026

🌧️24°light rain

sunrise 06:28 · sunset 18:32 · night 18° · evening 23° · rain 0.18 mm · humidity 46% · wind 6 m/s · clouds 100%

Friday11 September 2026

🌧️23°light rain

sunrise 06:28 · sunset 18:32 · night 19° · evening 22° · rain 0.63 mm · humidity 53% · wind 5 m/s · clouds 84%

Saturday12 September 2026

☁️25°broken clouds

sunrise 06:27 · sunset 18:32 · night 19° · evening 24° · rain 0.32 mm · humidity 43% · wind 5 m/s · clouds 54%

Sunday13 September 2026

☁️25°broken clouds

sunrise 06:27 · sunset 18:32 · night 20° · evening 25° · rain 0.44 mm · humidity 43% · wind 6 m/s · clouds 52%

Monday14 September 2026

🌤️26°scattered clouds

sunrise 06:27 · sunset 18:31 · night 20° · evening 25° · humidity 37% · wind 7 m/s · clouds 32%

Tuesday15 September 2026

🌤️26°a few clouds

sunrise 06:26 · sunset 18:31 · night 19° · evening 24° · rain 1.06 mm · humidity 38% · wind 7 m/s · clouds 15%

Wednesday16 September 2026

☀️26°clear sky

sunrise 06:26 · sunset 18:31 · night 19° · evening 24° · rain 0.17 mm · humidity 34% · wind 6 m/s · clouds 2%

Thursday17 September 2026

🌤️26°scattered clouds

sunrise 06:25 · sunset 18:31 · night 21° · evening 25° · rain 0.98 mm · humidity 36% · wind 5 m/s · clouds 25%

Friday18 September 2026

☁️26°overcast clouds

sunrise 06:25 · sunset 18:30 · night 21° · evening 25° · rain 0.19 mm · humidity 41% · wind 5 m/s · clouds 86%

Saturday19 September 2026

🌧️26°light rain

sunrise 06:24 · sunset 18:30 · night 22° · evening 25° · rain 0.27 mm · humidity 40% · wind 5 m/s · clouds 94%

Sunday20 September 2026

🌧️27°light rain

sunrise 06:24 · sunset 18:30 · night 22° · evening 26° · rain 0.23 mm · humidity 35% · wind 5 m/s · clouds 56%

UV index in Arusha - is it safe to sunbathe?

Today the UV index in Arusha is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Arusha weather through the year

Nearby and related places

MoshiNairobiTangaNyeriDodomaMombasaNakuruKilifiDar es SalaamZanzibarIringaTabora

FAQ - Arusha weather

What is the weather like in Arusha today?

Today it is about 25° during the day and 18° at night, overcast clouds.

How far ahead can I check the forecast for Arusha?

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.