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

Right now temperatures across Dominica range from 34° to 34°. 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 Dominica

today🌧️ 34°💧 1.5 mm

Sun🌧️ 34°💧 1.4 mm

Mon🌧️ 29°💧 1.3 mm

Tue🌧️ 28°💧 3.2 mm

Wed🌧️ 28°💧 11.6 mm

Thu🌧️ 28°💧 9.5 mm

Fri🌧️ 28°💧 3.6 mm

Sat🌧️ 27°💧 7.1 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 Dominica, the forecast high is 34°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

34°Cexceptionally warm

usually 28°C–29°C

warmer than 99% of similar days

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

Sunday 6 Sept

34°Cexceptionally warm

usually 28°C–29°C

warmer than 99% of similar days

night: near normal rain: less rain than usual wind: lighter than usual

Monday 7 Sept

29°Cwarmer than usual

usually 28°C–29°C

warmer than 81% of similar days

night: near normal rain: less rain than usual wind: typical

Tuesday 8 Sept

28°Ccooler than usual

usually 28°C–29°C

cooler than 79% of similar days

night: cooler than usual rain: typical rainfall wind: typical

Wednesday 9 Sept

28°Cnear normal

usually 28°C–29°C

night: cooler than usual rain: more rain than usual wind: typical

Thursday 10 Sept

28°Cexceptionally cool

usually 28°C–29°C

cooler than 91% of similar days

night: near normal rain: more rain than usual wind: typical

Friday 11 Sept

28°Ccooler than usual

usually 28°C–29°C

cooler than 79% of similar days

night: near normal rain: typical rainfall wind: typical

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 1986 (27°C) and the warmest was 2023 (30°C). The current forecast averages 30°C - higher 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Dominica

Dominica - 14-day weather forecast infographic

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

Next 15 days · forecast

28°

around 27° at night · days with rain: 15

Weeks 3-4 · avg for September

32°

around 24° at night · rain chance 50%

Weeks 5-7 · avg for October

31°

around 24° at night · rain chance 56%

The 30 & 45-day outlook for Dominica: the next 15 days are a numerical forecast updated daily - on average 28° by day and 27° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 31° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Dominica

Saturday5 September 2026

🌧️34°light rain

night 28° · evening 29° · rain 1.46 mm · humidity 75% · wind 5 m/s · clouds 100%

Sunday6 September 2026

🌧️34°light rain

night 27° · evening 28° · rain 1.41 mm · humidity 78% · wind 6 m/s · clouds 88%

Monday7 September 2026

🌧️29°light rain

night 27° · evening 28° · rain 1.31 mm · humidity 73% · wind 6 m/s · clouds 28%

Tuesday8 September 2026

🌧️28°light rain

night 27° · evening 28° · rain 3.19 mm · humidity 72% · wind 7 m/s · clouds 27%

Wednesday9 September 2026

🌧️28°moderate rain

night 27° · evening 28° · rain 11.62 mm · humidity 76% · wind 8 m/s · clouds 46%

Thursday10 September 2026

🌧️28°light rain

night 27° · evening 28° · rain 9.54 mm · humidity 79% · wind 7 m/s · clouds 83%

Friday11 September 2026

🌧️28°light rain

night 27° · evening 28° · rain 3.57 mm · humidity 75% · wind 7 m/s · clouds 42%

Saturday12 September 2026

🌧️27°light rain

night 25° · evening 27° · rain 7.14 mm · humidity 78% · wind 7 m/s · clouds 100%

Sunday13 September 2026

🌧️28°light rain

night 27° · evening 28° · rain 2.49 mm · humidity 78% · wind 7 m/s · clouds 100%

Monday14 September 2026

🌧️28°light rain

night 27° · evening 27° · rain 4.56 mm · humidity 78% · wind 6 m/s · clouds 87%

Tuesday15 September 2026

🌧️27°moderate rain

night 27° · evening 27° · rain 14.01 mm · humidity 80% · wind 5 m/s · clouds 100%

Wednesday16 September 2026

🌧️26°moderate rain

night 25° · evening 26° · rain 26.37 mm · humidity 83% · wind 8 m/s · clouds 100%

Thursday17 September 2026

🌧️24°moderate rain

night 25° · evening 23° · rain 23.37 mm · humidity 83% · wind 7 m/s · clouds 100%

Friday18 September 2026

🌧️27°light rain

night 27° · evening 27° · rain 3.15 mm · humidity 75% · wind 7 m/s · clouds 100%

Saturday19 September 2026

🌧️28°light rain

night 27° · evening 28° · rain 2.22 mm · humidity 79% · wind 7 m/s · clouds 98%

Sea temperature - Dominica

Water today

29°C

Week avg

29°C

Waves today

0.8 m

How's the water?

very warm

16-day sea temperature forecast:

5.09 29°C6.09 29°C7.09 29°C8.09 29°C9.09 29°C10.09 29°C11.09 29°C12.09 29°C13.09 29°C

Average sea temperature through the year:

Jan 28°CFeb 27°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?
Roseau	29℃	29℃	0.8 m	very warm

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

Dominica weather through the year

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

January (29°)February (29°)March (30°)April (31°)May (31°)June (32°)July (32°)August (32°)September (32°)October (31°)November (31°)December (30°)

Weather in other countries in Caribbean

Dominican RepublicCubaGrenadaCayman IslandsHaitiBritish Virgin Islands

FAQ - Dominica weather

What is the weather like in Dominica today?

Today it is about 34° during the day and 28° at night, light rain.

How far ahead can I check the forecast for Dominica?

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.