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Weather in San Martín - 14-day forecast

Detailed weather forecast for San Martín, El Salvador: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in San Martín
today🌧️ 31°💧 2.6 mm
Thu🌧️ 31°💧 2.6 mm
Fri🌧️ 32°💧 9.8 mm
Sat🌧️ 31°💧 10.2 mm
Sun🌧️ 26°💧 7.2 mm
Mon🌧️ 28°💧 0.5 mm
Tue🌧️ 29°💧 0.6 mm
Wed🌧️ 30°💧 4.7 mm

14-day forecast - San Martín

WEATHER FORECAST · 15 DAYSSan MartínEl Salvador · 15-day forecast31°🌧️Todaynight 22° · wind 2 m/s · humidity 47%🌅 05:34 🌇 18:28 · daylight 12 h 54 min31°22°31°22°32°20°31°22°26°21°28°21°29°21°30°21°28°20°25°20°30°22°30°21°30°21°31°22°31°21°RAIN (MM)2.62.69.810.27.20.50.64.75.912.81.13.81.382.2Wed8.07Thu9.07Fri10.07Sat11.07Sun12.07Mon13.07Tue14.07Wed15.07Thu16.07Fri17.07Sat18.07Sun19.07Mon20.07Tue21.07Wed22.07AVERAGE30°MAX.32° (10.07)MIN.25° (17.07)TOTAL RAIN73.4 mmSUNNY DAYS0world-prices.com · updated 2026-07-08

📅 San Martín 30 & 45-day weather - long-range outlook

Next 15 days · forecast
30°
around 21° at night · days with rain: 13
Weeks 3-4 · avg for July
31°
around 21° at night · rain chance 45%
Weeks 5-7 · avg for August
31°
around 20° at night · rain chance 51%
The 30 & 45-day outlook for San Martín: the next 15 days are a numerical forecast updated daily - on average 30° by day and 21° at night. Further out we rely on multi-year climate averages: around 31° in July, and about 31° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for San Martín

Wednesday8 July 2026
🌧️31°light rain
sunrise 05:34 · sunset 18:28 · night 22° · evening 27° · rain 2.62 mm · humidity 47% · wind 2 m/s · clouds 11%
Thursday9 July 2026
🌧️31°moderate rain
sunrise 05:34 · sunset 18:28 · night 22° · evening 26° · rain 2.63 mm · humidity 49% · wind 2 m/s · clouds 80%
Friday10 July 2026
🌧️32°moderate rain
sunrise 05:34 · sunset 18:28 · night 20° · evening 23° · rain 9.78 mm · humidity 48% · wind 2 m/s · clouds 54%
Saturday11 July 2026
🌧️31°moderate rain
sunrise 05:34 · sunset 18:28 · night 22° · evening 25° · rain 10.18 mm · humidity 51% · wind 2 m/s · clouds 90%
Sunday12 July 2026
🌧️26°moderate rain
sunrise 05:35 · sunset 18:28 · night 21° · evening 21° · rain 7.15 mm · humidity 76% · wind 2 m/s · clouds 100%
Monday13 July 2026
🌧️28°light rain
sunrise 05:35 · sunset 18:28 · night 21° · evening 25° · rain 0.54 mm · humidity 53% · wind 2 m/s · clouds 100%
Tuesday14 July 2026
🌧️29°light rain
sunrise 05:35 · sunset 18:28 · night 21° · evening 24° · rain 0.6 mm · humidity 47% · wind 2 m/s · clouds 95%
Wednesday15 July 2026
🌧️30°light rain
sunrise 05:36 · sunset 18:27 · night 21° · evening 22° · rain 4.74 mm · humidity 51% · wind 2 m/s · clouds 100%
Thursday16 July 2026
🌧️28°moderate rain
sunrise 05:36 · sunset 18:27 · night 20° · evening 23° · rain 5.88 mm · humidity 58% · wind 2 m/s · clouds 95%
Friday17 July 2026
🌧️25°moderate rain
sunrise 05:36 · sunset 18:27 · night 20° · evening 22° · rain 12.78 mm · humidity 87% · wind 2 m/s · clouds 82%
Saturday18 July 2026
🌧️30°light rain
sunrise 05:36 · sunset 18:27 · night 22° · evening 26° · rain 1.11 mm · humidity 47% · wind 2 m/s · clouds 73%
Sunday19 July 2026
🌧️30°light rain
sunrise 05:37 · sunset 18:27 · night 21° · evening 23° · rain 3.84 mm · humidity 49% · wind 2 m/s · clouds 100%
Monday20 July 2026
🌧️30°light rain
sunrise 05:37 · sunset 18:27 · night 21° · evening 25° · rain 1.29 mm · humidity 48% · wind 2 m/s · clouds 99%
Tuesday21 July 2026
🌧️31°moderate rain
sunrise 05:37 · sunset 18:27 · night 22° · evening 23° · rain 8.04 mm · humidity 48% · wind 3 m/s · clouds 51%
Wednesday22 July 2026
🌧️31°light rain
sunrise 05:38 · sunset 18:26 · night 21° · evening 25° · rain 2.19 mm · humidity 46% · wind 2 m/s · clouds 6%

☀️ UV index in San Martín - is it safe to sunbathe?

☀️ UV INDEX · 16-DAY FORECASTSan Martín03681111+8.9UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.⏱ Unprotected fair skin may burn in about 20 min9Wed8.079Thu9.079Fri10.078Sat11.079Sun12.079Mon13.079Tue14.077Wed15.076Thu16.078Fri17.079Sat18.079Sun19.079Mon20.078Tue21.078Wed22.079Thu23.070-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-07-08
Today the UV index in San Martín 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.

Air quality and smog in San Martín

CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Santa Ana23.633.4good
Apopa19.328.3good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 19:00).

San Martín weather through the year

WEATHER THROUGH THE YEARSan Martín31°18°32°19°33°20°32°21°31°22°30°21°31°21°31°20°29°21°30°21°30°19°31°19°CHANCE OF RAIN (%)12412335045515746123JanFebMarAprMayJunJulAugSepOctNovDecWARMESTMar (33°)COLDESTSep (29°)DRIESTJan (1%)WETTESTSep (57%)world-prices.com · 2026-07-08 · ★ best months

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

🎉 Public holidays in San Martín - when are the long weekends?

Next long weekend in San Martín: August Festivals (3 August, Monday) - Saturday–Monday (3 days off).
1 AugustSaturday
August Festivals
falls on a weekend
2 AugustSunday
August Festivals
falls on a weekend
3 AugustMonday
August Festivals
🎈 long weekend
4 AugustTuesday
August Festivals
🎈 long weekend + bridge day
5 AugustWednesday
August Festivals
6 AugustThursday
August Festivals
🎈 long weekend + bridge day
7 AugustFriday
August Festivals
🎈 long weekend
15 SeptemberTuesday
Independence Day
🎈 long weekend + bridge day
1 OctoberThursday
Children's Day
🎈 long weekend + bridge day
12 OctoberMonday
Ethnic Pride Day
🎈 long weekend
2 NovemberMonday
Day of the Dead
🎈 long weekend
7 NovemberSaturday
National Pupusa Festival
falls on a weekend
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

CojutepequeSan VicenteIlopangoApopaZacatecoluca

FAQ - San Martín weather

What is the weather like in San Martín today?
Today it is about 31° during the day and 22° at night, light rain.
How far ahead can I check the forecast for San Martín?
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.