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Weather in Zacatecoluca - 14-day forecast

Detailed weather forecast for Zacatecoluca, El Salvador: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Zacatecoluca
today🌧️ 34°💧 4.7 mm
Sun🌧️ 34°💧 5.4 mm
Mon🌧️ 34°💧 57.5 mm
Tue🌧️ 33°💧 0.8 mm
Wed🌤️ 35°💧 0.1 mm
Thu☁️ 34°💧 1.3 mm
Fri🌧️ 35°💧 0.5 mm
Sat🌧️ 35°💧 0.9 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 Zacatecoluca, the forecast high is 35°C. Typical daytime temperatures at this time of year range from 28°C to 31°C, so it will be exceptionally warm. It is warmer than 97% of similar days.

34°Cexceptionally warm
usually 28°C–32°C
warmer than 94% of similar days
night: near normal rain: typical rainfall wind: exceptionally strong
34°Cexceptionally warm
usually 28°C–31°C
warmer than 94% of similar days
night: warmer than usual rain: typical rainfall wind: exceptionally strong
34°Cexceptionally warm
usually 28°C–31°C
warmer than 96% of similar days
night: exceptionally cool rain: exceptionally wet wind: exceptionally strong
33°Cexceptionally warm
usually 28°C–31°C
warmer than 93% of similar days
night: exceptionally warm rain: less rain than usual wind: typical
35°Cexceptionally warm
usually 28°C–31°C
warmer than 97% of similar days
night: exceptionally warm rain: exceptionally dry wind: stronger than usual
34°Cexceptionally warm
usually 28°C–31°C
warmer than 95% of similar days
night: exceptionally warm rain: less rain than usual wind: typical
35°Cexceptionally warm
usually 28°C–31°C
warmer than 97% of similar days
night: exceptionally warm rain: less rain than usual wind: exceptionally strong

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°33°40° 1981: 30°C1982: 32°C1983: 31°C1984: 31°C1985: 34°C1986: 34°C1987: 32°C1988: 30°C1989: 31°C1990: 32°C1991: 32°C1992: 31°C1993: 29°C1994: 36°C1995: 29°C1996: 30°C1997: 29°C1998: 27°C1999: 27°C2000: 28°C2001: 29°C2002: 29°C2003: 30°C2004: 30°C2005: 31°C2006: 30°C2007: 29°C2008: 28°C2009: 30°C2010: 27°C2011: 29°C2012: 29°C2013: 28°C2014: 28°C2015: 31°C2016: 31°C2017: 29°C2018: 30°C2019: 32°C2020: 29°C2021: 29°C2022: 29°C2023: 33°C2024: 30°C2025: 31°C 2026 forecast: 34°C current forecast 34°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 1999 (27°C) and the warmest was 1994 (36°C). The current forecast averages 34°C - higher than in 98% 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 - Zacatecoluca

Zacatecoluca - 14-day weather forecast infographic

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

Next 15 days · forecast
33°
around 25° at night · days with rain: 11
Weeks 3-4 · avg for September
32°
around 23° at night · rain chance 75%
Weeks 5-7 · avg for October
32°
around 23° at night · rain chance 61%
The 30 & 45-day outlook for Zacatecoluca: the next 15 days are a numerical forecast updated daily - on average 33° by day and 25° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Zacatecoluca

Saturday5 September 2026
🌧️34°moderate rain
sunrise 05:44 · sunset 18:04 · night 24° · evening 32° · rain 4.73 mm · humidity 42% · wind 5 m/s · clouds 96%
Sunday6 September 2026
🌧️34°moderate rain
sunrise 05:44 · sunset 18:03 · night 25° · evening 30° · rain 5.35 mm · humidity 45% · wind 6 m/s · clouds 97%
Monday7 September 2026
🌧️34°very heavy rain
sunrise 05:44 · sunset 18:03 · night 22° · evening 21° · rain 57.48 mm · humidity 45% · wind 6 m/s · clouds 60%
Tuesday8 September 2026
🌧️33°light rain
sunrise 05:44 · sunset 18:02 · night 27° · evening 27° · rain 0.8 mm · humidity 47% · wind 4 m/s · clouds 97%
Wednesday9 September 2026
🌤️35°scattered clouds
sunrise 05:44 · sunset 18:01 · night 26° · evening 28° · rain 0.12 mm · humidity 36% · wind 4 m/s · clouds 36%
Thursday10 September 2026
☁️34°overcast clouds
sunrise 05:44 · sunset 18:00 · night 27° · evening 28° · rain 1.29 mm · humidity 41% · wind 3 m/s · clouds 98%
Friday11 September 2026
🌧️35°light rain
sunrise 05:44 · sunset 18:00 · night 25° · evening 27° · rain 0.48 mm · humidity 42% · wind 6 m/s · clouds 52%
Saturday12 September 2026
🌧️35°light rain
sunrise 05:44 · sunset 17:59 · night 26° · evening 27° · rain 0.87 mm · humidity 40% · wind 5 m/s · clouds 8%
Sunday13 September 2026
🌧️36°heavy rain
sunrise 05:44 · sunset 17:58 · night 23° · evening 24° · rain 38.76 mm · humidity 42% · wind 5 m/s · clouds 46%
Monday14 September 2026
🌧️34°light rain
sunrise 05:44 · sunset 17:57 · night 24° · evening 26° · rain 4.08 mm · humidity 51% · wind 5 m/s · clouds 33%
Tuesday15 September 2026
🌧️32°light rain
sunrise 05:44 · sunset 17:57 · night 25° · evening 26° · rain 10.32 mm · humidity 60% · wind 3 m/s · clouds 96%
Wednesday16 September 2026
🌧️29°heavy rain
sunrise 05:44 · sunset 17:56 · night 24° · evening 25° · rain 30.15 mm · humidity 69% · wind 3 m/s · clouds 100%
Thursday17 September 2026
🌧️32°light rain
sunrise 05:44 · sunset 17:55 · night 25° · evening 26° · rain 4.17 mm · humidity 59% · wind 2 m/s · clouds 98%
Friday18 September 2026
🌧️31°light rain
sunrise 05:44 · sunset 17:55 · night 25° · evening 26° · rain 3.21 mm · humidity 63% · wind 3 m/s · clouds 71%
Saturday19 September 2026
🌧️31°light rain
sunrise 05:44 · sunset 17:54 · night 24° · evening 26° · rain 1.5 mm · humidity 61% · wind 4 m/s · clouds 83%

UV index in Zacatecoluca - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTZacatecoluca03681111+8.4UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.Unprotected fair skin may burn in about 25 min8Sat5.099Sun6.099Mon7.099Tue8.099Wed9.099Thu10.099Fri11.099Sat12.099Sun13.098Mon14.097Tue15.097Wed16.099Thu17.099Fri18.099Sat19.097Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Zacatecoluca 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 - Zacatecoluca

Water today
31°C
Week avg
32°C
Waves today
1.1 m
How's the water?
very warm
16-day sea temperature forecast:
5.09 31°C6.09 31°C7.09 31°C8.09 31°C9.09 32°C10.09 32°C11.09 32°C12.09 32°C13.09 32°C
Average sea temperature through the year:
Jan 29°CFeb 30°CMar 31°CApr 31°CMay 32°CJun 32°CJul 32°CAug 32°CSep 32°COct 31°CNov 30°CDec 30°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Zacatecoluca weather through the year

Zacatecoluca - annual climate

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

Upcoming public holidays in El Salvador: Independence Day — 15 September · All Souls' Day — 2 November · Christmas Day — 25 December.

Nearby and related places

San VicenteCojutepequeSan MartínIlopangoAntiguo CuscatlánApopaSanta TeclaSanta Ana

FAQ - Zacatecoluca weather

What is the weather like in Zacatecoluca today?
Today it is about 34° during the day and 24° at night, moderate rain.
How far ahead can I check the forecast for Zacatecoluca?
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.