Weather, Buenos Aires, February 18, 2026

Buenos Aires begins with warm air and rain in the morning. Daytime temperatures range from about 22.2 C up to 29.8 C, with humidity making the warmth feel noticeable.

A thunderstorm is possible in the afternoon, bringing brief rain and potential gusts. Even with the shower risk, the day can stay lively and bright.

Sunrise comes at 06:31, with sunset around 19:44, keeping evenings pleasantly long. The night may see lingering showers as the system moves through.

If you’re out for a stroll or a meal, a light rain jacket or umbrella can be handy for the afternoon into the evening.