Weather in Saint-Marc - 14-day forecast

Detailed weather forecast for Saint-Marc, Haiti: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Saint-Marc

today🌧️ 32°💧 1.5 mm

Thu🌧️ 31°💧 1.2 mm

Fri🌧️ 30°💧 0.4 mm

Sat🌧️ 30°💧 0.2 mm

Sun🌧️ 29°💧 0.2 mm

Mon🌧️ 29°💧 1.6 mm

Tue🌧️ 30°💧 4.6 mm

Wed🌧️ 30°💧 0.2 mm

14-day forecast - Saint-Marc

📅 Saint-Marc 30 & 45-day weather - long-range outlook

Next 15 days · forecast

30°

around 27° at night · days with rain: 7

Weeks 3-4 · avg for July

35°

around 27° at night · rain chance 10%

Weeks 5-7 · avg for August

35°

around 27° at night · rain chance 13%

The 30 & 45-day outlook for Saint-Marc: the next 15 days are a numerical forecast updated daily - on average 30° by day and 27° at night. Further out we rely on multi-year climate averages: around 35° in July, and about 35° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Saint-Marc

Wednesday8 July 2026

🌧️32°light rain

sunrise 06:19 · sunset 19:33 · night 27° · evening 29° · rain 1.51 mm · humidity 57% · wind 6 m/s · clouds 8%

Thursday9 July 2026

🌧️31°light rain

sunrise 06:19 · sunset 19:33 · night 28° · evening 29° · rain 1.21 mm · humidity 61% · wind 6 m/s · clouds 24%

Friday10 July 2026

🌧️30°light rain

sunrise 06:20 · sunset 19:32 · night 28° · evening 30° · rain 0.37 mm · humidity 59% · wind 6 m/s · clouds 89%

Saturday11 July 2026

🌧️30°light rain

sunrise 06:20 · sunset 19:32 · night 28° · evening 31° · rain 0.17 mm · humidity 58% · wind 5 m/s · clouds 91%

Sunday12 July 2026

🌧️29°light rain

sunrise 06:20 · sunset 19:32 · night 27° · evening 29° · rain 0.18 mm · humidity 64% · wind 7 m/s · clouds 8%

Monday13 July 2026

🌧️29°light rain

sunrise 06:21 · sunset 19:32 · night 27° · evening 30° · rain 1.62 mm · humidity 61% · wind 5 m/s · clouds 100%

Tuesday14 July 2026

🌧️30°light rain

sunrise 06:21 · sunset 19:32 · night 26° · evening 29° · rain 4.56 mm · humidity 62% · wind 5 m/s · clouds 57%

Wednesday15 July 2026

🌧️30°light rain

sunrise 06:21 · sunset 19:32 · night 27° · evening 30° · rain 0.15 mm · humidity 59% · wind 4 m/s · clouds 92%

Thursday16 July 2026

🌧️30°light rain

sunrise 06:22 · sunset 19:32 · night 27° · evening 30° · rain 0.72 mm · humidity 59% · wind 6 m/s · clouds 4%

Friday17 July 2026

🌧️30°light rain

sunrise 06:22 · sunset 19:31 · night 28° · evening 30° · rain 0.54 mm · humidity 59% · wind 5 m/s · clouds 3%

Saturday18 July 2026

🌧️30°light rain

sunrise 06:22 · sunset 19:31 · night 28° · evening 30° · rain 5.07 mm · humidity 63% · wind 6 m/s · clouds 85%

Sunday19 July 2026

🌧️30°light rain

sunrise 06:23 · sunset 19:31 · night 28° · evening 30° · rain 0.21 mm · humidity 58% · wind 4 m/s · clouds 92%

Monday20 July 2026

🌧️30°light rain

sunrise 06:23 · sunset 19:31 · night 28° · evening 30° · rain 1.59 mm · humidity 58% · wind 5 m/s · clouds 100%

Tuesday21 July 2026

🌧️30°light rain

sunrise 06:24 · sunset 19:31 · night 28° · evening 30° · rain 2.76 mm · humidity 61% · wind 6 m/s · clouds 54%

Wednesday22 July 2026

🌧️31°light rain

sunrise 06:24 · sunset 19:30 · night 28° · evening 31° · rain 0.48 mm · humidity 55% · wind 5 m/s

☀️ UV index in Saint-Marc - is it safe to sunbathe?

Today the UV index in Saint-Marc is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

🌊 Sea temperature - Saint-Marc

Water today

30°C

Week avg

30°C

Waves today

0.2 m

How's the water?

very warm

16-day sea temperature forecast:

8.07 30°C9.07 30°C10.07 30°C11.07 30°C12.07 30°C13.07 30°C14.07 30°C15.07 30°C16.07 31°C

Average sea temperature through the year:

Jan 29°CFeb 28°CMar 28°CApr 29°CMay 30°CJun 30°CJul 31°CAug 31°CSep 31°COct 31°CNov 30°CDec 29°C

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

Air quality and smog in Saint-Marc

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Port-au-Prince	56.3	78.2	sufficient
Jacmel	56.3	78.2	sufficient
Croix-des-Bouquets	56.3	78.2	sufficient
Léogâne	36.2	53.7	moderate

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 21:00).

Saint-Marc weather through the year

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

🎉 Public holidays in Saint-Marc - when are the long weekends?

Next long weekend in Saint-Marc: All Souls' Day (2 November, Monday) - Saturday–Monday (3 days off).

15 AugustSaturday

Assumption of Mary

falls on a weekend

17 OctoberSaturday

Dessalines Day

falls on a weekend

1 NovemberSunday

All Saints Day

falls on a weekend

2 NovemberMonday

All Souls' Day

🎈 long weekend

18 NovemberWednesday

Battle of Vertières Day

5 DecemberSaturday

Discovery Day

falls on a weekend

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

2 JanuarySaturday 2027

Ancestry Day

falls on a weekend

6 JanuaryWednesday 2027

Epiphany

8 FebruaryMonday 2027

Carnival

🎈 long weekend

9 FebruaryTuesday 2027

Carnival

🎈 long weekend + bridge day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

LéogâneCarrefourPort-au-Prince

FAQ - Saint-Marc weather

What is the weather like in Saint-Marc today?

Today it is about 32° during the day and 27° at night, light rain.

How far ahead can I check the forecast for Saint-Marc?

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.