Weather in Antigua and Barbuda - today, tomorrow and 14-day forecast

Right now temperatures across Antigua and Barbuda 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 2 cities; the range shows local differences. Methodology.

Weather in Antigua and Barbuda's cities today

🌧️Antigua 30°💧 1.2 mm 🌧️Barbuda 30°💧 1.3 mm

Next days in Antigua and Barbuda

today🌧️ 30°💧 1.2 mm
Sun🌧️ 30°💧 0.3 mm
Mon🌤️ 29°💧 1 mm
Tue🌧️ 28°💧 2.6 mm
Wed🌧️ 28°💧 3.7 mm
Thu🌧️ 29°💧 0.5 mm
Fri🌧️ 29°💧 0.2 mm
Sat🌧️ 28°💧 3.2 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 Antigua and Barbuda, 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 98% of similar days.

30°Cexceptionally warm
usually 28°C–29°C
warmer than 98% of similar days
night: warmer than usual rain: typical rainfall wind: typical
30°Cexceptionally warm
usually 28°C–29°C
warmer than 96% of similar days
night: warmer than usual rain: less rain than usual wind: stronger than usual
29°Cnear normal
usually 28°C–29°C
night: near normal rain: typical rainfall wind: stronger than usual
28°Ccooler than usual
usually 28°C–29°C
cooler than 75% of similar days
night: near normal rain: typical rainfall wind: exceptionally strong
28°Ccooler than usual
usually 28°C–29°C
cooler than 74% of similar days
night: near normal rain: typical rainfall wind: exceptionally strong
29°Cnear normal
usually 28°C–29°C
night: near normal rain: less rain than usual wind: exceptionally strong
29°Cnear normal
usually 28°C–29°C
night: warmer than usual rain: exceptionally dry 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 →
25°30°35° 1981: 29°C1982: 28°C1983: 28°C1984: 28°C1985: 28°C1986: 28°C1987: 28°C1988: 28°C1989: 29°C1990: 28°C1991: 28°C1992: 28°C1993: 28°C1994: 28°C1995: 28°C1996: 28°C1997: 29°C1998: 29°C1999: 29°C2000: 29°C2001: 29°C2002: 29°C2003: 29°C2004: 29°C2005: 30°C2006: 29°C2007: 29°C2008: 29°C2009: 29°C2010: 29°C2011: 29°C2012: 29°C2013: 29°C2014: 29°C2015: 29°C2016: 29°C2017: 29°C2018: 29°C2019: 30°C2020: 29°C2021: 30°C2022: 29°C2023: 30°C2024: 30°C2025: 30°C 2026 forecast: 29°C current forecast 29°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 1984 (28°C) and the warmest was 2023 (30°C). The current forecast averages 29°C - higher than in 62% 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 - Antigua and Barbuda

Antigua and Barbuda - 14-day weather forecast infographic

Antigua and Barbuda 30 & 45-day weather - long-range outlook

Next 15 days · forecast
28°
around 28° at night · days with rain: 12
Weeks 3-4 · avg for September
31°
around 26° at night · rain chance 41%
Weeks 5-7 · avg for October
31°
around 26° at night · rain chance 43%
The 30 & 45-day outlook for Antigua and Barbuda: the next 15 days are a numerical forecast updated daily - on average 28° by day and 28° at night. Further out we rely on multi-year climate averages: around 31° in September, and about 31° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Antigua and Barbuda

Saturday5 September 2026
🌧️30°light rain
night 28° · evening 29° · rain 1.245 mm · humidity 77.5% · wind 7 m/s · clouds 72.5%
Sunday6 September 2026
🌧️30°light rain
night 28° · evening 28° · rain 0.315 mm · humidity 78.5% · wind 8 m/s · clouds 23.5%
Monday7 September 2026
🌤️29°a few clouds
night 28° · evening 28° · rain 1.045 mm · humidity 75.5% · wind 9 m/s · clouds 21.5%
Tuesday8 September 2026
🌧️28°light rain
night 28° · evening 28° · rain 2.55 mm · humidity 75% · wind 10 m/s · clouds 3%
Wednesday9 September 2026
🌧️28°light rain
night 28° · evening 28° · rain 3.7 mm · humidity 78% · wind 10 m/s · clouds 20.5%
Thursday10 September 2026
🌧️29°light rain
night 28° · evening 28° · rain 0.495 mm · humidity 77% · wind 10 m/s · clouds 39.5%
Friday11 September 2026
🌧️29°light rain
night 28° · evening 28° · rain 0.21 mm · humidity 71.5% · wind 9 m/s · clouds 37%
Saturday12 September 2026
🌧️28°light rain
night 27° · evening 28° · rain 3.225 mm · humidity 76% · wind 9 m/s · clouds 93.5%
Sunday13 September 2026
🌧️28°light rain
night 28° · evening 28° · rain 2.7 mm · humidity 76% · wind 9 m/s · clouds 97.5%
Monday14 September 2026
🌧️28°light rain
night 28° · evening 28° · rain 2.37 mm · humidity 73% · wind 9 m/s · clouds 15%
Tuesday15 September 2026
🌧️28°light rain
night 28° · evening 28° · rain 2.655 mm · humidity 77% · wind 8 m/s · clouds 52.5%
Wednesday16 September 2026
🌧️28°light rain
night 28° · evening 28° · rain 3.51 mm · humidity 77% · wind 10 m/s · clouds 43%
Thursday17 September 2026
🌧️28°light rain
night 27° · evening 28° · rain 3.255 mm · humidity 72% · wind 9 m/s · clouds 90.5%
Friday18 September 2026
🌧️27°light rain
night 28° · evening 28° · rain 2.55 mm · humidity 77% · wind 9 m/s · clouds 97%
Saturday19 September 2026
🌧️28°moderate rain
night 28° · evening 28° · rain 7.485 mm · humidity 78% · wind 10 m/s · clouds 85.5%

Sea temperature - Antigua and Barbuda

Water today
30°C
Week avg
29°C
Waves today
0.7 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 30°C6.09 29°C7.09 30°C8.09 30°C9.09 29°C10.09 29°C11.09 29°C12.09 29°C13.09 29°C
Average sea temperature through the year:
Jan 27°CFeb 27°CMar 27°CApr 28°CMay 29°CJun 29°CJul 29°CAug 30°CSep 30°COct 30°CNov 29°CDec 28°C
BeachWater todayWater week avgWavesHow's the water?
Barbuda29℃29℃1 mvery warm
Antigua29℃29℃0.9 mvery warm
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Antigua and Barbuda weather through the year

Antigua and Barbuda - annual climate

Antigua and Barbuda weather month by month - when is the best time to go?

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

Weather in other countries in Caribbean

The BahamasAnguillaBarbadosVirgin IslandsBritish Virgin IslandsTurks and Caicos Islands

FAQ - Antigua and Barbuda weather

What is the weather like in Antigua and Barbuda today?
Today it is about 30° during the day and 28° at night, light rain.
How far ahead can I check the forecast for Antigua and Barbuda?
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.