Weather in Amatitlán - 14-day forecast

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

Forecast for the next days in Amatitlán

today🌧️ 27°💧 8.4 mm

Sun🌧️ 27°💧 4.8 mm

Mon🌧️ 27°💧 13.8 mm

Tue🌧️ 23°💧 11.7 mm

Wed🌧️ 27°💧 3.5 mm

Thu🌧️ 26°💧 1.4 mm

Fri🌧️ 27°💧 1.1 mm

Sat🌧️ 28°💧 0.4 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

Tuesday 8 Sept in Amatitlán, the forecast high is 23°C. Typical daytime temperatures at this time of year range from 24°C to 26°C, so it will be exceptionally cool. It is cooler than 92% of similar days.

Saturday 5 Sept

27°Cexceptionally warm

usually 24°C–26°C

warmer than 90% of similar days

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

Sunday 6 Sept

27°Cwarmer than usual

usually 24°C–26°C

warmer than 87% of similar days

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

Monday 7 Sept

27°Cwarmer than usual

usually 24°C–26°C

warmer than 86% of similar days

night: near normal rain: more rain than usual wind: lighter than usual

Tuesday 8 Sept

23°Cexceptionally cool

usually 24°C–26°C

cooler than 92% of similar days

night: cooler than usual rain: more rain than usual wind: lighter than usual

Wednesday 9 Sept

27°Cwarmer than usual

usually 24°C–26°C

warmer than 84% of similar days

night: exceptionally cool rain: typical rainfall wind: typical

Thursday 10 Sept

26°Cwarmer than usual

usually 24°C–26°C

warmer than 81% of similar days

night: cooler than usual rain: less rain than usual wind: typical

Friday 11 Sept

27°Cexceptionally warm

usually 24°C–26°C

warmer than 91% of similar days

night: cooler than usual rain: less rain than usual wind: typical

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 25°C by day. The coolest year was 1993 (22°C) and the warmest was 1985 (30°C). The current forecast averages 26°C - higher than in 76% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Amatitlán

Amatitlán - 14-day weather forecast infographic

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

Next 15 days · forecast

25°

around 17° at night · days with rain: 14

Weeks 3-4 · avg for September

25°

around 16° at night · rain chance 68%

Weeks 5-7 · avg for October

24°

around 16° at night · rain chance 44%

The 30 & 45-day outlook for Amatitlán: the next 15 days are a numerical forecast updated daily - on average 25° by day and 17° at night. Further out we rely on multi-year climate averages: around 25° in September, and about 24° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Amatitlán

Saturday5 September 2026

🌧️27°moderate rain

sunrise 05:51 · sunset 18:11 · night 16° · evening 18° · rain 8.4 mm · humidity 48% · wind 3 m/s · clouds 56%

Sunday6 September 2026

🌧️27°moderate rain

sunrise 05:51 · sunset 18:11 · night 16° · evening 19° · rain 4.77 mm · humidity 50% · wind 3 m/s · clouds 94%

Monday7 September 2026

🌧️27°moderate rain

sunrise 05:51 · sunset 18:10 · night 17° · evening 18° · rain 13.78 mm · humidity 48% · wind 2 m/s · clouds 53%

Tuesday8 September 2026

🌧️23°light rain

sunrise 05:51 · sunset 18:09 · night 17° · evening 18° · rain 11.71 mm · humidity 67% · wind 3 m/s · clouds 100%

Wednesday9 September 2026

🌧️27°light rain

sunrise 05:51 · sunset 18:08 · night 16° · evening 18° · rain 3.47 mm · humidity 45% · wind 3 m/s · clouds 77%

Thursday10 September 2026

🌧️26°light rain

sunrise 05:51 · sunset 18:08 · night 17° · evening 18° · rain 1.38 mm · humidity 41% · wind 3 m/s · clouds 6%

Friday11 September 2026

🌧️27°light rain

sunrise 05:51 · sunset 18:07 · night 17° · evening 20° · rain 1.11 mm · humidity 46% · wind 3 m/s · clouds 16%

Saturday12 September 2026

🌧️28°light rain

sunrise 05:51 · sunset 18:06 · night 17° · evening 19° · rain 0.42 mm · humidity 36% · wind 3 m/s · clouds 5%

Sunday13 September 2026

🌧️28°moderate rain

sunrise 05:51 · sunset 18:05 · night 17° · evening 19° · rain 9.51 mm · humidity 41% · wind 3 m/s · clouds 1%

Monday14 September 2026

🌧️27°moderate rain

sunrise 05:51 · sunset 18:05 · night 17° · evening 19° · rain 10.59 mm · humidity 47% · wind 2 m/s · clouds 53%

Tuesday15 September 2026

🌧️24°light rain

sunrise 05:51 · sunset 18:04 · night 18° · evening 19° · rain 9.03 mm · humidity 62% · wind 3 m/s · clouds 58%

Wednesday16 September 2026

🌧️23°moderate rain

sunrise 05:51 · sunset 18:03 · night 18° · evening 19° · rain 14.31 mm · humidity 81% · wind 2 m/s · clouds 87%

Thursday17 September 2026

🌧️23°heavy rain

sunrise 05:51 · sunset 18:02 · night 18° · evening 18° · rain 29.1 mm · humidity 81% · wind 2 m/s · clouds 97%

Friday18 September 2026

🌧️21°moderate rain

sunrise 05:51 · sunset 18:02 · night 18° · evening 19° · rain 29.34 mm · humidity 90% · wind 2 m/s · clouds 99%

Saturday19 September 2026

🌧️23°moderate rain

sunrise 05:51 · sunset 18:01 · night 19° · evening 19° · rain 23.55 mm · humidity 80% · wind 3 m/s · clouds 87%

UV index in Amatitlán - is it safe to sunbathe?

Today the UV index in Amatitlán 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.

Amatitlán weather through the year

Upcoming public holidays in Guatemala: Independence Day — 15 September · Revolution Day — 20 October · All Saints' Day — 1 November.

Nearby and related places

San Miguel PetapaMixcoChimaltenangoChichicastenangoTotonicapánQuetzaltenangoCobánPuerto Barrios

FAQ - Amatitlán weather

What is the weather like in Amatitlán today?

Today it is about 27° during the day and 16° at night, moderate rain.

How far ahead can I check the forecast for Amatitlán?

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.