Unión San Lucas
Siltepec, Chiapas, Mexico
Current Weather
20°69°
Overcast
Feels Like: 19°67°
Min: 16°62°
Max: 24°75°
The next few hours will be overcast, with today reaching 24°C and dropping to 15°C. The coming days will be drizzle
Hourly Forecast
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Daylight Hours
06:07
Sunrise
17:39
Sunset
Moon
15:57
Moonrise
03:36
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Resources
UV Index
Humidity
Looking at the night sky?
See moon phases, eclipses, and seasons for this year.
View astronomyCurrent stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Unión San Lucas.
View stargazing scoreWeather in Unión San Lucas today, October 23, 2026
Unión San Lucas stays under cloudy skies on October 23, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 90% around 09:00. Brighter weather, if it comes, waits until later.Unión San Lucas stays under cloudy skies on October 23, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 90% around 09:00. Brighter weather, if it comes, waits until later.
The day peaks near 24°C and cools toward 16°C. The air stays humid, with relative humidity between 46% and 94% and the peak around 23:00. Expect gentle winds, highest near 12:00 at 10 km/h.The day peaks near 75°F and cools toward 62°F. The air stays humid, with relative humidity between 46% and 94% and the peak around 23:00. Expect gentle winds, highest near 12:00 at 6 mph.
Through the afternoon cloud remains the main feature, with cover near 84% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.1 km, briefly nearer 1.4 km. Sunrise is at 06:07 and sunset at 17:39, giving 11 hours 31 minutes of sunlight today.Through the afternoon cloud remains the main feature, with cover near 84% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 9.4 mi, briefly nearer 0.9 mi. Sunrise is at 06:07 and sunset at 17:39, giving 11 hours 31 minutes of sunlight today.
The practical takeaway for Unión San Lucas on October 23, 2026 is a cloudy day that stays usable, just not particularly bright, around 24°C.The practical takeaway for Unión San Lucas on October 23, 2026 is a cloudy day that stays usable, just not particularly bright, around 75°F.
Frequently asked questions about weather in Unión San Lucas
How warm does it get in Unión San Lucas?
The warmest month in Unión San Lucas is April, with average high temperatures of 27°C. The average temperature during this period is around 21°C.The warmest month in Unión San Lucas is April, with average high temperatures of 80°F. The average temperature during this period is around 69°F.
How cold does it get in Unión San Lucas?
The coldest month in Unión San Lucas is January, with average low temperatures of 12°C. The average temperature during this period is around 18°C.The coldest month in Unión San Lucas is January, with average low temperatures of 54°F. The average temperature during this period is around 64°F.
What is the wettest time of year in Unión San Lucas?
The wettest month in Unión San Lucas is June, with an average of 458 mm of precipitation.The wettest month in Unión San Lucas is June, with an average of 18 in of precipitation.
What is the driest time of year in Unión San Lucas?
The driest month in Unión San Lucas is January, with an average of 15 mm of precipitation.The driest month in Unión San Lucas is January, with an average of 0.6 in of precipitation.


