Weather in Mahajanga - 14-day forecast

Detailed weather forecast for Mahajanga, Madagascar: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Mahajanga
today☀️ 29°💧 0.5 mm
Sun☀️ 29°💧 0.3 mm
Mon☀️ 28°💧 0.2 mm
Tue🌧️ 31°💧 0.6 mm
Wed☀️ 31°💧 3.1 mm
Thu☀️ 30°💧 0.2 mm
Fri☀️ 31°💧 0.3 mm
Sat🌧️ 31°💧 0.6 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

Wednesday 9 Sept in Mahajanga, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 29°C to 30°C, so it will be exceptionally warm. It is warmer than 97% of similar days.

29°Cnear normal
usually 28°C–30°C
night: near normal rain: more rain than usual wind: exceptionally light
29°Cnear normal
usually 28°C–30°C
night: near normal rain: more rain than usual wind: exceptionally light
28°Ccooler than usual
usually 29°C–30°C
cooler than 84% of similar days
night: exceptionally warm rain: more rain than usual wind: lighter than usual
31°Cexceptionally warm
usually 29°C–30°C
warmer than 96% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
31°Cexceptionally warm
usually 29°C–30°C
warmer than 97% of similar days
night: exceptionally warm rain: exceptionally wet wind: stronger than usual
30°Cexceptionally warm
usually 29°C–30°C
warmer than 92% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
31°Cexceptionally warm
usually 29°C–30°C
warmer than 95% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light

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: 30°C1983: 29°C1984: 28°C1985: 29°C1986: 29°C1987: 30°C1988: 30°C1989: 29°C1990: 29°C1991: 29°C1992: 29°C1993: 29°C1994: 28°C1995: 29°C1996: 29°C1997: 29°C1998: 30°C1999: 29°C2000: 28°C2001: 29°C2002: 29°C2003: 29°C2004: 29°C2005: 29°C2006: 29°C2007: 29°C2008: 29°C2009: 30°C2010: 27°C2011: 30°C2012: 30°C2013: 30°C2014: 30°C2015: 30°C2016: 29°C2017: 30°C2018: 29°C2019: 30°C2020: 30°C2021: 29°C2022: 29°C2023: 30°C2024: 31°C2025: 31°C 2026 forecast: 30°C current forecast 30°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 2010 (27°C) and the warmest was 2024 (31°C). The current forecast averages 30°C - higher than in 87% 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 - Mahajanga

Mahajanga - 14-day weather forecast infographic

Day-by-day forecast for Mahajanga

Saturday5 September 2026
☀️29°clear sky
sunrise 05:58 · sunset 17:49 · night 23° · evening 26° · rain 0.47 mm · humidity 38% · wind 6 m/s · clouds 1%
Sunday6 September 2026
☀️29°clear sky
sunrise 05:57 · sunset 17:49 · night 23° · evening 27° · rain 0.27 mm · humidity 38% · wind 6 m/s · clouds 5%
Monday7 September 2026
☀️28°clear sky
sunrise 05:57 · sunset 17:49 · night 24° · evening 26° · rain 0.19 mm · humidity 57% · wind 7 m/s · clouds 1%
Tuesday8 September 2026
🌧️31°light rain
sunrise 05:56 · sunset 17:50 · night 26° · evening 27° · rain 0.61 mm · humidity 39% · wind 6 m/s · clouds 6%
Wednesday9 September 2026
☀️31°clear sky
sunrise 05:55 · sunset 17:50 · night 25° · evening 30° · rain 3.12 mm · humidity 39% · wind 9 m/s · clouds 10%
Thursday10 September 2026
☀️30°clear sky
sunrise 05:54 · sunset 17:50 · night 26° · evening 27° · rain 0.16 mm · humidity 37% · wind 8 m/s
Friday11 September 2026
☀️31°clear sky
sunrise 05:53 · sunset 17:50 · night 24° · evening 25° · rain 0.25 mm · humidity 39% · wind 6 m/s · clouds 2%
Saturday12 September 2026
🌧️31°light rain
sunrise 05:53 · sunset 17:50 · night 24° · evening 25° · rain 0.6 mm · humidity 40% · wind 6 m/s
Sunday13 September 2026
☀️29°clear sky
sunrise 05:52 · sunset 17:50 · night 25° · evening 25° · rain 0.1 mm · humidity 54% · wind 5 m/s · clouds 1%
Monday14 September 2026
☀️32°clear sky
sunrise 05:51 · sunset 17:50 · night 25° · evening 26° · rain 0.44 mm · humidity 38% · wind 6 m/s · clouds 2%
Tuesday15 September 2026
☀️31°clear sky
sunrise 05:50 · sunset 17:50 · night 26° · evening 28° · rain 0.46 mm · humidity 40% · wind 6 m/s · clouds 5%
Wednesday16 September 2026
☀️31°clear sky
sunrise 05:50 · sunset 17:50 · night 25° · evening 27° · humidity 37% · wind 6 m/s
Thursday17 September 2026
☀️31°clear sky
sunrise 05:49 · sunset 17:50 · night 24° · evening 25° · humidity 40% · wind 6 m/s
Friday18 September 2026
☀️31°clear sky
sunrise 05:48 · sunset 17:50 · night 24° · evening 25° · rain 0.46 mm · humidity 34% · wind 6 m/s
Saturday19 September 2026
☀️30°clear sky
sunrise 05:47 · sunset 17:50 · night 24° · evening 25° · rain 0.14 mm · humidity 38% · wind 7 m/s
Sunday20 September 2026
☀️28°clear sky
sunrise 05:46 · sunset 17:50 · night 25° · evening 25° · humidity 57% · wind 7 m/s

UV index in Mahajanga - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTMahajanga03681111+8.2UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min8Sat5.098Sun6.098Mon7.098Tue8.098Wed9.098Thu10.098Fri11.098Sat12.098Sun13.098Mon14.099Tue15.098Wed16.099Thu17.099Fri18.099Sat19.099Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Mahajanga is 8 (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 - Mahajanga

Water today
27°C
Week avg
28°C
Waves today
0.2 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 27°C6.09 28°C7.09 28°C8.09 28°C9.09 28°C10.09 28°C11.09 28°C12.09 28°C13.09 28°C
Average sea temperature through the year:
Jan 31°CFeb 32°CMar 32°CApr 32°CMay 29°CJun 27°CJul 26°CAug 27°CSep 28°COct 29°CNov 31°CDec 32°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Mahajanga

Air quality in Mahajanga is currently very good. Fine particulate PM2.5: 4.8 µg/m³, PM10: 7.9 µg/m³.
CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Mahajanga4.87.9very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 04:00).
Upcoming public holidays in Madagascar: All Saints' Day — 1 November · Christmas Day — 25 December · New Year's Day — 1 January.

Nearby and related places

DzaoudziMamoudzouAntananarivoMahanoroFortdauphinToamasinaAntsirananaAmbilobeAntsirabe

FAQ - Mahajanga weather

What is the weather like in Mahajanga today?
Today it is about 29° during the day and 23° at night, clear sky.
How far ahead can I check the forecast for Mahajanga?
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.