Weather in Samoa - today, tomorrow and 14-day forecast

Right now temperatures across Samoa range from 26° to 26°. 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 1 cities; the range shows local differences. Methodology.

Next days in Samoa

today🌧️ 26°💧 0.4 mm

Sun🌤️ 26°💧 0.1 mm

Mon☀️ 26°💧 0.7 mm

Tue🌧️ 26°💧 0.6 mm

Wed🌤️ 26°💧 0.4 mm

Thu🌧️ 26°💧 1 mm

Fri🌧️ 27°💧 0.8 mm

Sat🌧️ 27°💧 0.8 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

Friday 4 Sept in Samoa, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 27°C to 28°C, so it will be exceptionally cool. It is cooler than 96% of similar days.

Friday 4 Sept

26°Cexceptionally cool

usually 27°C–28°C

cooler than 96% of similar days

night: near normal rain: typical rainfall wind: exceptionally strong

Saturday 5 Sept

26°Cexceptionally cool

usually 27°C–28°C

cooler than 95% of similar days

night: near normal rain: exceptionally dry wind: stronger than usual

Sunday 6 Sept

26°Cexceptionally cool

usually 27°C–28°C

cooler than 95% of similar days

night: near normal rain: typical rainfall wind: typical

Monday 7 Sept

26°Cexceptionally cool

usually 27°C–28°C

cooler than 96% of similar days

night: near normal rain: typical rainfall wind: stronger than usual

Tuesday 8 Sept

26°Cexceptionally cool

usually 27°C–28°C

cooler than 96% of similar days

night: near normal rain: typical rainfall wind: stronger than usual

Wednesday 9 Sept

26°Cexceptionally cool

usually 27°C–28°C

cooler than 95% of similar days

night: near normal rain: typical rainfall wind: stronger than usual

Thursday 10 Sept

27°Cexceptionally cool

usually 27°C–28°C

cooler than 93% of similar days

night: warmer than usual rain: typical rainfall wind: stronger than usual

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 4-10 Sept period averaged 28°C by day. The coolest year was 1982 (25°C) and the warmest was 2003 (29°C). The current forecast averages 26°C - lower than in 93% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Samoa

Samoa - 14-day weather forecast infographic

Day-by-day forecast for Samoa

Saturday5 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 0.36 mm · humidity 76% · wind 10 m/s · clouds 95%

Sunday6 September 2026

🌤️26°a few clouds

night 26° · evening 26° · rain 0.1 mm · humidity 80% · wind 9 m/s · clouds 11%

Monday7 September 2026

☀️26°clear sky

night 26° · evening 26° · rain 0.66 mm · humidity 77% · wind 8 m/s · clouds 6%

Tuesday8 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 0.56 mm · humidity 80% · wind 10 m/s · clouds 43%

Wednesday9 September 2026

🌤️26°scattered clouds

night 26° · evening 26° · rain 0.42 mm · humidity 81% · wind 10 m/s · clouds 27%

Thursday10 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 0.99 mm · humidity 86% · wind 9 m/s · clouds 100%

Friday11 September 2026

🌧️27°light rain

night 27° · evening 27° · rain 0.83 mm · humidity 85% · wind 9 m/s · clouds 58%

Saturday12 September 2026

🌧️27°light rain

night 27° · evening 27° · rain 0.8 mm · humidity 81% · wind 7 m/s · clouds 78%

Sunday13 September 2026

☁️26°overcast clouds

night 26° · evening 26° · rain 0.72 mm · humidity 75% · wind 7 m/s · clouds 100%

Monday14 September 2026

☁️26°broken clouds

night 26° · evening 26° · rain 0.46 mm · humidity 72% · wind 7 m/s · clouds 78%

Tuesday15 September 2026

☀️26°clear sky

night 26° · evening 26° · rain 15.28 mm · humidity 74% · wind 8 m/s · clouds 10%

Wednesday16 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 1.42 mm · humidity 83% · wind 10 m/s · clouds 100%

Thursday17 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 1.64 mm · humidity 80% · wind 10 m/s · clouds 100%

Friday18 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 1.19 mm · humidity 82% · wind 8 m/s · clouds 100%

Saturday19 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 10.53 mm · humidity 86% · wind 9 m/s · clouds 95%

Sunday20 September 2026

🌧️26°light rain

night 26° · evening 26° · rain 13.55 mm · humidity 87% · wind 9 m/s · clouds 68%

Monday21 September 2026

🌧️26°moderate rain

night 26° · evening 26° · rain 30.22 mm · humidity 87% · wind 8 m/s · clouds 97%

Sea temperature - Samoa

Water today

28°C

Week avg

28°C

Waves today

1.4 m

How's the water?

very warm

16-day sea temperature forecast:

5.09 28°C6.09 28°C7.09 28°C8.09 28°C9.09 28°C10.09 28°C11.09 28°C12.09 28°C13.09 28°C

Average sea temperature through the year:

Jan 30°CFeb 30°CMar 30°CApr 30°CMay 30°CJun 29°CJul 29°CAug 29°CSep 29°COct 29°CNov 29°CDec 30°C

Beach	Water today	Water week avg	Waves	How's the water?
Apia	28℃	28℃	1.4 m	very warm

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Weather in other countries in Oceania

Solomon IslandsPitcairn IslandsTokelauPapua New GuineaTongaPalau

FAQ - Samoa weather

What is the weather like in Samoa today?

Today it is about 26° during the day and 26° at night, light rain.

How far ahead can I check the forecast for Samoa?

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.