Weather in Antigua - 14-day forecast

Detailed weather forecast for Antigua, Antigua and Barbuda: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Antigua
today🌧️ 30°💧 1.2 mm
Sun🌧️ 30°💧 0.4 mm
Mon🌤️ 29°💧 1.6 mm
Tue🌧️ 29°💧 2.1 mm
Wed🌧️ 29°💧 2.2 mm
Thu🌧️ 29°💧 0.8 mm
Fri🌧️ 29°💧 0.1 mm
Sat🌧️ 29°💧 4.1 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 Antigua, 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.

30°Cexceptionally warm
usually 28°C–29°C
warmer than 99% of similar days
night: warmer than usual rain: typical rainfall wind: typical
30°Cexceptionally warm
usually 28°C–29°C
warmer than 98% of similar days
night: warmer than usual rain: less rain than usual wind: typical
29°Cnear normal
usually 28°C–29°C
night: near normal rain: typical rainfall wind: stronger than usual
29°Cnear normal
usually 28°C–29°C
night: near normal rain: typical rainfall wind: exceptionally strong
29°Cnear normal
usually 28°C–29°C
night: near normal rain: typical rainfall wind: exceptionally strong
29°Cnear normal
usually 28°C–29°C
night: warmer than usual 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: 30°C2023: 31°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 (31°C). The current forecast averages 29°C - higher than in 84% 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

Antigua - 14-day weather forecast infographic

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

Next 15 days · forecast
29°
around 28° at night · days with rain: 12
Weeks 3-4 · avg for September
31°
around 25° at night · rain chance 58%
Weeks 5-7 · avg for October
31°
around 25° at night · rain chance 56%
The 30 & 45-day outlook for Antigua: the next 15 days are a numerical forecast updated daily - on average 29° 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

Saturday5 September 2026
🌧️30°light rain
sunrise 05:54 · sunset 18:18 · night 28° · evening 28° · rain 1.18 mm · humidity 75% · wind 7 m/s · clouds 62%
Sunday6 September 2026
🌧️30°light rain
sunrise 05:54 · sunset 18:17 · night 28° · evening 28° · rain 0.42 mm · humidity 77% · wind 8 m/s · clouds 20%
Monday7 September 2026
🌤️29°a few clouds
sunrise 05:54 · sunset 18:16 · night 28° · evening 28° · rain 1.61 mm · humidity 75% · wind 8 m/s · clouds 15%
Tuesday8 September 2026
🌧️29°light rain
sunrise 05:54 · sunset 18:15 · night 28° · evening 28° · rain 2.14 mm · humidity 73% · wind 10 m/s · clouds 3%
Wednesday9 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:14 · night 28° · evening 28° · rain 2.18 mm · humidity 76% · wind 10 m/s · clouds 30%
Thursday10 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:14 · night 28° · evening 29° · rain 0.81 mm · humidity 75% · wind 9 m/s · clouds 43%
Friday11 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:13 · night 28° · evening 29° · rain 0.12 mm · humidity 70% · wind 9 m/s · clouds 37%
Saturday12 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:12 · night 26° · evening 28° · rain 4.08 mm · humidity 72% · wind 9 m/s · clouds 87%
Sunday13 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:11 · night 28° · evening 28° · rain 1.92 mm · humidity 75% · wind 9 m/s · clouds 96%
Monday14 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:10 · night 28° · evening 29° · rain 1.02 mm · humidity 73% · wind 8 m/s · clouds 21%
Tuesday15 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:09 · night 28° · evening 28° · rain 3.84 mm · humidity 75% · wind 8 m/s · clouds 90%
Wednesday16 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:09 · night 28° · evening 28° · rain 2.34 mm · humidity 75% · wind 10 m/s · clouds 50%
Thursday17 September 2026
🌧️28°light rain
sunrise 05:56 · sunset 18:08 · night 26° · evening 28° · rain 4.17 mm · humidity 67% · wind 9 m/s · clouds 97%
Friday18 September 2026
🌧️26°light rain
sunrise 05:56 · sunset 18:07 · night 28° · evening 28° · rain 3.18 mm · humidity 81% · wind 10 m/s · clouds 100%
Saturday19 September 2026
🌧️29°moderate rain
sunrise 05:56 · sunset 18:06 · night 28° · evening 28° · rain 8.07 mm · humidity 78% · wind 9 m/s · clouds 77%

UV index in Antigua - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTAntigua03681111+8.7UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min9Sat5.099Sun6.099Mon7.099Tue8.099Wed9.099Thu10.099Fri11.099Sat12.099Sun13.099Mon14.099Tue15.099Wed16.093Thu17.099Fri18.099Sat19.099Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Antigua is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Sea temperature - Antigua

Water today
29°C
Week avg
29°C
Waves today
0.9 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 27°CFeb 27°CMar 27°CApr 28°CMay 29°CJun 29°CJul 29°CAug 30°CSep 30°COct 30°CNov 29°CDec 28°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Antigua weather through the year

Antigua - annual climate

Warmest, driest months on average: January, February, March.

Nearby and related places

BasseterreRoseauSaint CroixCharlotte AmalieFajardoKingstownHumacaoBarbuda

FAQ - Antigua weather

What is the weather like in Antigua 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?
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.