Weather in Marshall Islands - today, tomorrow and 14-day forecast

Right now temperatures across Marshall Islands range from 30° to 30°. 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 Marshall Islands

today🌧️ 30°💧 3 mm

Sun🌧️ 29°💧 1.1 mm

Mon🌧️ 28°💧 5 mm

Tue🌧️ 29°💧 3.1 mm

Wed🌧️ 29°💧 7.8 mm

Thu🌧️ 27°💧 19.2 mm

Fri🌧️ 29°💧 5.2 mm

Sat🌧️ 29°💧 11.4 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 Marshall Islands, the forecast high is 30°C. Typical daytime temperatures at this time of year range from 28°C to 29°C, so it will be exceptionally warm. It is warmer than 99% of similar days.

Saturday 5 Sept

30°Cexceptionally warm

usually 28°C–29°C

warmer than 99% of similar days

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

Sunday 6 Sept

29°Cwarmer than usual

usually 28°C–29°C

warmer than 74% of similar days

night: exceptionally warm rain: exceptionally dry wind: typical

Monday 7 Sept

28°Cnear normal

usually 28°C–29°C

night: exceptionally warm rain: typical rainfall wind: typical

Tuesday 8 Sept

29°Cwarmer than usual

usually 28°C–29°C

warmer than 70% of similar days

night: exceptionally warm rain: less rain than usual wind: stronger than usual

Wednesday 9 Sept

29°Cwarmer than usual

usually 28°C–29°C

warmer than 71% of similar days

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

Thursday 10 Sept

27°Cexceptionally cool

usually 28°C–29°C

cooler than 99% of similar days

night: exceptionally warm rain: exceptionally wet wind: stronger than usual

Friday 11 Sept

29°Cwarmer than usual

usually 28°C–29°C

warmer than 87% of similar days

night: exceptionally warm rain: typical rainfall wind: lighter 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 5-11 Sept period averaged 28°C by day. The coolest year was 1982 (28°C) and the warmest was 2024 (29°C). The current forecast averages 29°C - higher than in 69% 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 - Marshall Islands

Marshall Islands - 14-day weather forecast infographic

Marshall Islands 30 & 45-day weather - long-range outlook

Next 16 days · forecast

29°

around 29° at night · days with rain: 14

Weeks 3-4 · avg for September

31°

around 26° at night · rain chance 52%

Weeks 5-7 · avg for October

30°

around 26° at night · rain chance 47%

The 30 & 45-day outlook for Marshall Islands: the next 16 days are a numerical forecast updated daily - on average 29° by day and 29° at night. Further out we rely on multi-year climate averages: around 31° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Marshall Islands

Saturday5 September 2026

🌧️30°light rain

night 29° · evening 30° · rain 3.02 mm · humidity 76% · wind 5 m/s · clouds 16%

Sunday6 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 1.08 mm · humidity 75% · wind 4 m/s · clouds 37%

Monday7 September 2026

🌧️28°light rain

night 29° · evening 29° · rain 4.96 mm · humidity 77% · wind 6 m/s · clouds 100%

Tuesday8 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 3.12 mm · humidity 77% · wind 8 m/s · clouds 98%

Wednesday9 September 2026

🌧️29°light rain

night 29° · evening 28° · rain 7.78 mm · humidity 76% · wind 8 m/s · clouds 77%

Thursday10 September 2026

🌧️27°moderate rain

night 29° · evening 28° · rain 19.16 mm · humidity 82% · wind 7 m/s · clouds 100%

Friday11 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 5.21 mm · humidity 71% · wind 4 m/s · clouds 56%

Saturday12 September 2026

🌧️29°moderate rain

night 29° · evening 28° · rain 11.38 mm · humidity 71% · wind 4 m/s · clouds 26%

Sunday13 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 6.52 mm · humidity 76% · wind 4 m/s · clouds 27%

Monday14 September 2026

🌧️29°moderate rain

night 28° · evening 28° · rain 12.44 mm · humidity 73% · wind 4 m/s · clouds 95%

Tuesday15 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 1.67 mm · humidity 74% · wind 4 m/s · clouds 95%

Wednesday16 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 0.74 mm · humidity 75% · wind 4 m/s · clouds 93%

Thursday17 September 2026

🌧️29°moderate rain

night 29° · evening 29° · rain 8.68 mm · humidity 74% · wind 4 m/s · clouds 99%

Friday18 September 2026

🌧️29°moderate rain

night 29° · evening 29° · rain 7.54 mm · humidity 75% · wind 6 m/s · clouds 70%

Saturday19 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 2.68 mm · humidity 74% · wind 4 m/s · clouds 98%

Sunday20 September 2026

🌧️29°light rain

night 29° · evening 29° · rain 0.74 mm · humidity 74% · wind 3 m/s · clouds 66%

Sea temperature - Marshall Islands

Water today

31°C

Week avg

31°C

Waves today

1 m

How's the water?

very warm

16-day sea temperature forecast:

5.09 31°C6.09 31°C7.09 31°C8.09 31°C9.09 31°C10.09 31°C11.09 30°C12.09 31°C13.09 31°C

Average sea temperature through the year:

Jan 28°CFeb 28°CMar 28°CApr 28°CMay 29°CJun 29°CJul 29°CAug 30°CSep 30°COct 30°CNov 29°CDec 29°C

Beach	Water today	Water week avg	Waves	How's the water?
Majuro	31℃	30℃	1.1 m	very warm

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

Marshall Islands weather through the year

Marshall Islands weather month by month - when is the best time to go?

January (28°)February (28°)March (28°)April (29°)May (30°)June (31°)July (31°)August (31°)September (31°)October (30°)November (29°)December (29°)

Weather in other countries in Oceania

Federated States of MicronesiaKiribatiNauruGuamNew CaledoniaFrench Polynesia

FAQ - Marshall Islands weather

What is the weather like in Marshall Islands today?

Today it is about 30° during the day and 29° at night, light rain.

How far ahead can I check the forecast for Marshall Islands?

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.