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Weather in Antsiranana - 14-day forecast

Detailed weather forecast for Antsiranana, Madagascar: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Antsiranana
today🌤️ 28°💧 0.1 mm
Sun☀️ 28°💧 0.2 mm
Mon🌤️ 28°💧 0.1 mm
Tue☀️ 29°💧 0.1 mm
Wed☀️ 29°💧 0.2 mm
Thu☀️ 29°💧 1.6 mm
Fri☀️ 28°💧 0.4 mm
Sat☀️ 29°💧 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

Tuesday 8 Sept in Antsiranana, the forecast high is 29°C. Typical daytime temperatures at this time of year range from 27°C to 28°C, so it will be exceptionally warm. It is warmer than 91% of similar days.

28°Cnear normal
usually 27°C–28°C
night: exceptionally warm rain: typical rainfall wind: lighter than usual
28°Cwarmer than usual
usually 27°C–28°C
warmer than 79% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
28°Cwarmer than usual
usually 27°C–28°C
warmer than 84% of similar days
night: exceptionally warm rain: less rain than usual wind: exceptionally light
29°Cexceptionally warm
usually 27°C–28°C
warmer than 91% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
29°Cwarmer than usual
usually 27°C–28°C
warmer than 85% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
29°Cwarmer than usual
usually 27°C–28°C
warmer than 85% of similar days
night: exceptionally warm rain: exceptionally wet wind: typical
28°Cwarmer than usual
usually 27°C–28°C
warmer than 76% of similar days
night: exceptionally warm rain: more rain than usual 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 →
20°28°35° 1981: 28°C1982: 29°C1983: 27°C1984: 27°C1985: 27°C1986: 28°C1987: 27°C1988: 28°C1989: 27°C1990: 28°C1991: 28°C1992: 26°C1993: 27°C1994: 27°C1995: 28°C1996: 27°C1997: 27°C1998: 28°C1999: 27°C2000: 28°C2001: 28°C2002: 28°C2003: 27°C2004: 28°C2005: 27°C2006: 27°C2007: 28°C2008: 28°C2009: 28°C2010: 29°C2011: 28°C2012: 27°C2013: 28°C2014: 27°C2015: 28°C2016: 27°C2017: 28°C2018: 28°C2019: 28°C2020: 28°C2021: 28°C2022: 27°C2023: 29°C2024: 28°C2025: 29°C 2026 forecast: 28°C current forecast 28°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 28°C by day. The coolest year was 1992 (26°C) and the warmest was 2010 (29°C). The current forecast averages 28°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 - Antsiranana

Antsiranana - 14-day weather forecast infographic

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

Next 16 days · forecast
28°
around 23° at night · days with rain: 1
Weeks 3-4 · avg for September
30°
around 19° at night · rain chance 5%
Weeks 5-7 · avg for October
31°
around 20° at night · rain chance 3%
The 30 & 45-day outlook for Antsiranana: the next 16 days are a numerical forecast updated daily - on average 28° by day and 23° at night. Further out we rely on multi-year climate averages: around 30° in September, and about 31° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Antsiranana

Saturday5 September 2026
🌤️28°scattered clouds
sunrise 05:44 · sunset 17:39 · night 22° · evening 25° · rain 0.11 mm · humidity 57% · wind 9 m/s · clouds 29%
Sunday6 September 2026
☀️28°clear sky
sunrise 05:44 · sunset 17:39 · night 22° · evening 25° · rain 0.21 mm · humidity 39% · wind 8 m/s · clouds 5%
Monday7 September 2026
🌤️28°a few clouds
sunrise 05:43 · sunset 17:39 · night 23° · evening 25° · rain 0.1 mm · humidity 53% · wind 7 m/s · clouds 12%
Tuesday8 September 2026
☀️29°clear sky
sunrise 05:42 · sunset 17:39 · night 23° · evening 24° · rain 0.11 mm · humidity 46% · wind 10 m/s · clouds 3%
Wednesday9 September 2026
☀️29°clear sky
sunrise 05:42 · sunset 17:39 · night 23° · evening 24° · rain 0.15 mm · humidity 55% · wind 11 m/s · clouds 3%
Thursday10 September 2026
☀️29°clear sky
sunrise 05:41 · sunset 17:39 · night 23° · evening 24° · rain 1.62 mm · humidity 53% · wind 11 m/s · clouds 1%
Friday11 September 2026
☀️28°clear sky
sunrise 05:40 · sunset 17:39 · night 23° · evening 24° · rain 0.39 mm · humidity 56% · wind 9 m/s · clouds 5%
Saturday12 September 2026
☀️29°clear sky
sunrise 05:40 · sunset 17:39 · night 23° · evening 24° · rain 0.75 mm · humidity 50% · wind 8 m/s · clouds 50%
Sunday13 September 2026
☀️29°clear sky
sunrise 05:39 · sunset 17:39 · night 23° · evening 24° · rain 0.22 mm · humidity 49% · wind 8 m/s · clouds 7%
Monday14 September 2026
☀️30°clear sky
sunrise 05:38 · sunset 17:39 · night 23° · evening 24° · rain 0.22 mm · humidity 43% · wind 10 m/s · clouds 32%
Tuesday15 September 2026
☀️28°clear sky
sunrise 05:38 · sunset 17:39 · night 23° · evening 24° · rain 0.31 mm · humidity 52% · wind 10 m/s · clouds 1%
Wednesday16 September 2026
🌧️28°light rain
sunrise 05:37 · sunset 17:39 · night 23° · evening 23° · rain 0.64 mm · humidity 44% · wind 10 m/s · clouds 3%
Thursday17 September 2026
🌧️28°light rain
sunrise 05:36 · sunset 17:39 · night 22° · evening 23° · rain 0.58 mm · humidity 54% · wind 9 m/s · clouds 20%
Friday18 September 2026
🌧️28°light rain
sunrise 05:36 · sunset 17:39 · night 23° · evening 23° · rain 0.13 mm · humidity 56% · wind 9 m/s · clouds 15%
Saturday19 September 2026
☀️29°clear sky
sunrise 05:35 · sunset 17:39 · night 23° · evening 24° · humidity 49% · wind 8 m/s · clouds 9%
Sunday20 September 2026
☀️29°clear sky
sunrise 05:34 · sunset 17:39 · night 22° · evening 24° · humidity 50% · wind 7 m/s

UV index in Antsiranana - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTAntsiranana03681111+8.5UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min9Sat5.099Sun6.099Mon7.099Tue8.099Wed9.099Thu10.099Fri11.099Sat12.099Sun13.099Mon14.099Tue15.099Wed16.099Thu17.099Fri18.099Sat19.099Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Antsiranana 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 - Antsiranana

Water today
26°C
Week avg
26°C
Waves today
1.1 m
How's the water?
warm
16-day sea temperature forecast:
5.09 26°C6.09 26°C7.09 26°C8.09 26°C9.09 26°C10.09 26°C11.09 26°C12.09 27°C13.09 27°C
Average sea temperature through the year:
Jan 30°CFeb 31°CMar 30°CApr 30°CMay 30°CJun 28°CJul 27°CAug 27°CSep 27°COct 28°CNov 29°CDec 30°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Antsiranana weather through the year

Antsiranana - annual climate

Warmest, driest months on average: May, June, July, August.

Upcoming public holidays in Madagascar: All Saints' Day — 1 November · Christmas Day — 25 December · New Year's Day — 1 January.

Nearby and related places

AmbilobeDzaoudziMamoudzouMahajangaFortdauphinAntsirabeAntananarivoMahanoro

FAQ - Antsiranana weather

What is the weather like in Antsiranana today?
Today it is about 28° during the day and 22° at night, scattered clouds.
How far ahead can I check the forecast for Antsiranana?
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.