Weather in Mixco - 14-day forecast

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

Forecast for the next days in Mixco

today🌧️ 23°💧 5 mm

Sun🌧️ 23°💧 3.3 mm

Mon🌧️ 23°💧 9.1 mm

Tue🌧️ 18°💧 15 mm

Wed🌧️ 22°💧 2.3 mm

Thu🌧️ 22°💧 1.1 mm

Fri🌧️ 23°💧 0.4 mm

Sat☀️ 23°💧 1.9 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

Tuesday 8 Sept in Mixco, the forecast high is 18°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 99% of similar days.

Saturday 5 Sept

23°Cexceptionally cool

usually 24°C–26°C

cooler than 90% of similar days

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

Sunday 6 Sept

23°Cexceptionally cool

usually 24°C–26°C

cooler than 92% of similar days

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

Monday 7 Sept

23°Ccooler than usual

usually 24°C–26°C

cooler than 89% of similar days

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

Tuesday 8 Sept

18°Cexceptionally cool

usually 24°C–26°C

cooler than 99% of similar days

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

Wednesday 9 Sept

22°Cexceptionally cool

usually 24°C–26°C

cooler than 96% of similar days

night: exceptionally cool rain: less rain than usual wind: typical

Thursday 10 Sept

22°Cexceptionally cool

usually 24°C–26°C

cooler than 96% of similar days

night: exceptionally cool rain: less rain than usual wind: typical

Friday 11 Sept

23°Cexceptionally cool

usually 24°C–26°C

cooler than 92% of similar days

night: exceptionally cool rain: exceptionally dry 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 22°C - lower than in 100% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Mixco

Mixco - 14-day weather forecast infographic

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

Next 15 days · forecast

21°

around 13° 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 Mixco: the next 15 days are a numerical forecast updated daily - on average 21° by day and 13° 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 Mixco

Saturday5 September 2026

🌧️23°light rain

sunrise 05:51 · sunset 18:11 · night 12° · evening 15° · rain 4.98 mm · humidity 46% · wind 3 m/s · clouds 60%

Sunday6 September 2026

🌧️23°light rain

sunrise 05:51 · sunset 18:11 · night 12° · evening 16° · rain 3.26 mm · humidity 46% · wind 2 m/s · clouds 89%

Monday7 September 2026

🌧️23°moderate rain

sunrise 05:51 · sunset 18:10 · night 13° · evening 14° · rain 9.06 mm · humidity 44% · wind 3 m/s · clouds 47%

Tuesday8 September 2026

🌧️18°moderate rain

sunrise 05:51 · sunset 18:09 · night 13° · evening 14° · rain 15 mm · humidity 73% · wind 3 m/s · clouds 100%

Wednesday9 September 2026

🌧️22°light rain

sunrise 05:51 · sunset 18:09 · night 12° · evening 14° · rain 2.33 mm · humidity 45% · wind 4 m/s · clouds 74%

Thursday10 September 2026

🌧️22°light rain

sunrise 05:51 · sunset 18:08 · night 12° · evening 14° · rain 1.11 mm · humidity 43% · wind 4 m/s · clouds 5%

Friday11 September 2026

🌧️23°light rain

sunrise 05:51 · sunset 18:07 · night 13° · evening 16° · rain 0.42 mm · humidity 48% · wind 4 m/s · clouds 12%

Saturday12 September 2026

☀️23°clear sky

sunrise 05:51 · sunset 18:06 · night 13° · evening 16° · rain 1.92 mm · humidity 36% · wind 3 m/s · clouds 4%

Sunday13 September 2026

🌧️24°moderate rain

sunrise 05:51 · sunset 18:05 · night 13° · evening 16° · rain 7.65 mm · humidity 40% · wind 3 m/s · clouds 1%

Monday14 September 2026

🌧️23°light rain

sunrise 05:51 · sunset 18:05 · night 13° · evening 15° · rain 8.04 mm · humidity 48% · wind 3 m/s · clouds 44%

Tuesday15 September 2026

🌧️21°light rain

sunrise 05:51 · sunset 18:04 · night 13° · evening 15° · rain 6.39 mm · humidity 59% · wind 2 m/s · clouds 66%

Wednesday16 September 2026

🌧️20°moderate rain

sunrise 05:51 · sunset 18:03 · night 14° · evening 14° · rain 11.79 mm · humidity 69% · wind 2 m/s · clouds 84%

Thursday17 September 2026

🌧️19°heavy rain

sunrise 05:51 · sunset 18:02 · night 14° · evening 14° · rain 29.34 mm · humidity 79% · wind 1 m/s · clouds 99%

Friday18 September 2026

🌧️18°moderate rain

sunrise 05:51 · sunset 18:02 · night 14° · evening 15° · rain 28.23 mm · humidity 85% · wind 2 m/s · clouds 100%

Saturday19 September 2026

🌧️20°moderate rain

sunrise 05:51 · sunset 18:01 · night 14° · evening 15° · rain 24.93 mm · humidity 71% · wind 3 m/s · clouds 87%

UV index in Mixco - is it safe to sunbathe?

Today the UV index in Mixco 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.

Mixco 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 PetapaAmatitlánChimaltenangoJalapaPuerto BarriosCobánQuetzaltenango

FAQ - Mixco weather

What is the weather like in Mixco today?

Today it is about 23° during the day and 12° at night, light rain.

How far ahead can I check the forecast for Mixco?

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.