worldweather28°Cnear normal
usually 27°C–30°C
night: exceptionally cool
rain: typical rainfall
wind: exceptionally light
Weather in Antiguo Cuscatlán - 14-day forecast
Detailed weather forecast for Antiguo Cuscatlán, El Salvador: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Antiguo Cuscatlán
today🌧️
28°💧 8.6 mm
Sun🌧️
29°💧 2.7 mm
Mon🌧️
27°💧 63.9 mm
Tue🌧️
29°💧 0.3 mm
Wed🌤️
30°💧 0.7 mm
Thu☁️
28°💧 0.3 mm
Fri☁️
30°💧 1.5 mm
Sat🌧️
30°💧 0.3 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Monday 7 Sept in Antiguo Cuscatlán, the forecast high is 27°C. Typical daytime temperatures at this time of year range from 27°C to 30°C, so it will be cooler than usual. It is cooler than 88% of similar days.
29°Cnear normal
usually 27°C–30°C
night: exceptionally cool
rain: less rain than usual
wind: exceptionally light
27°Ccooler than usual
usually 27°C–30°C
cooler than 88% of similar days
night: exceptionally cool
rain: exceptionally wet
wind: typical
29°Cnear normal
usually 27°C–30°C
night: exceptionally cool
rain: exceptionally dry
wind: exceptionally light
30°Cwarmer than usual
usually 27°C–30°C
warmer than 82% of similar days
night: exceptionally cool
rain: exceptionally dry
wind: exceptionally light
28°Cnear normal
usually 27°C–30°C
night: exceptionally cool
rain: exceptionally dry
wind: exceptionally light
30°Cwarmer than usual
usually 27°C–30°C
warmer than 77% of similar days
night: exceptionally cool
rain: less 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.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 1999 (27°C) and the warmest was 1994 (32°C). The current forecast averages 29°C - close to the historical median.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Antiguo Cuscatlán
Antiguo Cuscatlán 30 & 45-day weather - long-range outlook
Next 15 days · forecast
28°
around 20° at night · days with rain: 10
Weeks 3-4 · avg for September
29°
around 21° at night · rain chance 57%
Weeks 5-7 · avg for October
30°
around 21° at night · rain chance 46%
The 30 & 45-day outlook for Antiguo Cuscatlán: the next 15 days are a numerical forecast updated daily - on average 28° by day and 20° at night. Further out we rely on multi-year climate averages: around 29° in September, and about 30° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Antiguo Cuscatlán
Saturday5 September 2026
🌧️28°moderate rain
Sunday6 September 2026
🌧️29°light rain
Monday7 September 2026
🌧️27°very heavy rain
Tuesday8 September 2026
🌧️29°light rain
Wednesday9 September 2026
🌤️30°scattered clouds
Thursday10 September 2026
☁️28°overcast clouds
Friday11 September 2026
☁️30°overcast clouds
Saturday12 September 2026
🌧️30°light rain
Sunday13 September 2026
🌧️30°heavy rain
Monday14 September 2026
🌧️28°moderate rain
Tuesday15 September 2026
🌧️25°moderate rain
Wednesday16 September 2026
🌧️26°very heavy rain
Thursday17 September 2026
🌧️25°moderate rain
Friday18 September 2026
🌧️26°moderate rain
Saturday19 September 2026
🌧️28°light rain
UV index in Antiguo Cuscatlán - is it safe to sunbathe?
Today the UV index in Antiguo Cuscatlán 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.
Antiguo Cuscatlán weather through the year
Warmest, driest months on average: January, February, April, November.
Upcoming public holidays in El Salvador: Independence Day — 15 September · All Souls' Day — 2 November · Christmas Day — 25 December.
Nearby and related places
FAQ - Antiguo Cuscatlán weather
What is the weather like in Antiguo Cuscatlán today?
Today it is about 28° during the day and 18° at night, moderate rain.
How far ahead can I check the forecast for Antiguo Cuscatlán?
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.