Weather in Ilopango - 14-day forecast

Detailed weather forecast for Ilopango, El Salvador: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Ilopango

today🌧️ 30°💧 7.2 mm

Sun🌧️ 31°💧 3.2 mm

Mon🌧️ 28°💧 61.6 mm

Tue🌧️ 31°💧 0.5 mm

Wed🌤️ 32°💧 0.2 mm

Thu☁️ 30°💧 0.1 mm

Fri☁️ 32°💧 1.4 mm

Sat🌧️ 32°💧 0.2 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 Ilopango, the forecast high is 32°C. Typical daytime temperatures at this time of year range from 27°C to 30°C, so it will be exceptionally warm. It is warmer than 97% of similar days.

Saturday 5 Sept

30°Cwarmer than usual

usually 27°C–30°C

warmer than 87% of similar days

night: exceptionally cool rain: typical rainfall wind: lighter than usual

Sunday 6 Sept

31°Cexceptionally warm

usually 27°C–30°C

warmer than 91% of similar days

night: exceptionally cool rain: typical rainfall wind: exceptionally light

Monday 7 Sept

28°Cnear normal

usually 27°C–30°C

night: exceptionally cool rain: exceptionally wet wind: lighter than usual

Tuesday 8 Sept

31°Cexceptionally warm

usually 27°C–30°C

warmer than 90% of similar days

night: exceptionally cool rain: exceptionally dry wind: exceptionally light

Wednesday 9 Sept

32°Cexceptionally warm

usually 27°C–30°C

warmer than 97% of similar days

night: exceptionally cool rain: exceptionally dry wind: exceptionally light

Thursday 10 Sept

30°Cwarmer than usual

usually 27°C–30°C

warmer than 81% of similar days

night: cooler than usual rain: exceptionally dry wind: exceptionally light

Friday 11 Sept

32°Cexceptionally warm

usually 27°C–30°C

warmer than 96% 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.

swipe to see more years →

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 30°C - higher than in 91% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Ilopango

Ilopango - 14-day weather forecast infographic

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

Next 15 days · forecast

30°

around 22° at night · days with rain: 11

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 Ilopango: the next 15 days are a numerical forecast updated daily - on average 30° by day and 22° 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 Ilopango

Saturday5 September 2026

🌧️30°moderate rain

sunrise 05:45 · sunset 18:05 · night 20° · evening 27° · rain 7.17 mm · humidity 52% · wind 3 m/s · clouds 100%

Sunday6 September 2026

🌧️31°light rain

sunrise 05:45 · sunset 18:04 · night 21° · evening 27° · rain 3.17 mm · humidity 50% · wind 2 m/s · clouds 98%

Monday7 September 2026

🌧️28°very heavy rain

sunrise 05:45 · sunset 18:04 · night 20° · evening 19° · rain 61.59 mm · humidity 70% · wind 3 m/s · clouds 47%

Tuesday8 September 2026

🌧️31°light rain

sunrise 05:45 · sunset 18:03 · night 23° · evening 25° · rain 0.5 mm · humidity 48% · wind 2 m/s · clouds 100%

Wednesday9 September 2026

🌤️32°scattered clouds

sunrise 05:45 · sunset 18:02 · night 23° · evening 24° · rain 0.15 mm · humidity 43% · wind 2 m/s · clouds 39%

Thursday10 September 2026

☁️30°overcast clouds

sunrise 05:45 · sunset 18:01 · night 24° · evening 25° · rain 0.12 mm · humidity 50% · wind 2 m/s · clouds 100%

Friday11 September 2026

☁️32°overcast clouds

sunrise 05:45 · sunset 18:01 · night 22° · evening 24° · rain 1.41 mm · humidity 44% · wind 2 m/s · clouds 87%

Saturday12 September 2026

🌧️32°light rain

sunrise 05:45 · sunset 18:00 · night 23° · evening 24° · rain 0.21 mm · humidity 42% · wind 1 m/s · clouds 9%

Sunday13 September 2026

🌧️33°heavy rain

sunrise 05:45 · sunset 17:59 · night 21° · evening 22° · rain 33.87 mm · humidity 44% · wind 1 m/s · clouds 47%

Monday14 September 2026

🌧️31°moderate rain

sunrise 05:45 · sunset 17:59 · night 22° · evening 23° · rain 6.93 mm · humidity 52% · wind 2 m/s · clouds 40%

Tuesday15 September 2026

🌧️28°moderate rain

sunrise 05:45 · sunset 17:58 · night 22° · evening 22° · rain 17.73 mm · humidity 73% · wind 2 m/s · clouds 96%

Wednesday16 September 2026

🌧️28°heavy rain

sunrise 05:45 · sunset 17:57 · night 21° · evening 23° · rain 104.25 mm · humidity 66% · wind 2 m/s · clouds 100%

Thursday17 September 2026

🌧️26°moderate rain

sunrise 05:45 · sunset 17:56 · night 22° · evening 23° · rain 11.94 mm · humidity 85% · wind 1 m/s · clouds 100%

Friday18 September 2026

🌧️29°moderate rain

sunrise 05:45 · sunset 17:56 · night 22° · evening 23° · rain 12.6 mm · humidity 68% · wind 2 m/s · clouds 84%

Saturday19 September 2026

🌧️30°light rain

sunrise 05:45 · sunset 17:55 · night 21° · evening 22° · rain 1.95 mm · humidity 59% · wind 2 m/s · clouds 88%

UV index in Ilopango - is it safe to sunbathe?

Today the UV index in Ilopango 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.

Ilopango 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

ApopaAntiguo CuscatlánSanta TeclaCojutepequeSan MartínSan MiguelSanta Ana

FAQ - Ilopango weather

What is the weather like in Ilopango today?

Today it is about 30° during the day and 20° at night, moderate rain.

How far ahead can I check the forecast for Ilopango?

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.