See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
11°
Mostly Cloudy
Feels Like: 16°
Min: 11°
Max: 24°
The next few hours will be mostly cloudy, with today reaching 24°C and dropping to 11°C. The coming days will be drizzle throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:07
Sunrise
18:07
Sunset
Moon
Waxing Gibbous
14:23
Moonrise
02:08
Moonset
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View stargazing scoreWeather in La Unión today, September 21, 2026
Expect unsettled, showery conditions in La Unión on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning sky stays heavily clouded, with cover near 81% around 03:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 24°C. The air stays humid, with relative humidity between 39% and 97% and the peak around 22:00. Winds stay light, near 2.7 km/h by 16:00, so the day feels still more than breezy.
Afternoon showers stay in play, peaking near 44% around 14:00. Skies remain cluttered, with cover about 88% by 23:00. Expect visibility around 16.1 km. Expect sunrise at 06:07, sunset at 18:07, and 12 hours 0 minutes of sunlight today overall.
Overall, La Unión on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 44% and the high sits around 24°C.
Frequently asked questions about weather in La Unión
How warm does it get in La Unión?
The warmest month in La Unión is March, with average high temperatures of 16°C. The average temperature during this period is around 12°C.
How cold does it get in La Unión?
The coldest month in La Unión is August, with average low temperatures of 6°C. The average temperature during this period is around 10°C.
What is the wettest time of year in La Unión?
The wettest month in La Unión is March, with an average of 302mm of precipitation.
What is the driest time of year in La Unión?
The driest month in La Unión is September, with an average of 79mm of precipitation.
