Fiesta weather will be anything but consistent

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FORECAST HIGHLIGHTS

FORECAST

As we approach Fiesta 2026, the weather forecast suggests a dynamic and potentially unpredictable week ahead. While it’s always a lively time in San Antonio, this year may bring a mix of conditions that could impact festivities. So, while you shouldn’t cancel any plans, it’s wise to prepare for various weather scenarios. VIVA!🎉

TODAY & FRIDAY

Expect a cloudy start to the day, with temperatures climbing close to 90°F in the afternoon. High humidity could make it feel even warmer. While there’s a slight chance of a stray storm near the Rio Grande, it’s likely that rain will remain west of San Antonio. Friday’s forecast mirrors today’s, with similar temperatures and conditions.

High temperatures today
(Copyright KSAT-12 2026 – All Rights Reserved)

SATURDAY

On Saturday, anticipate a mid-morning to midday cold front, which will drop temperatures from the 70s in the morning down to the low-60s by the afternoon. This drop will also bring windy conditions, so plan accordingly!

Temperatures will plunge on Saturday due to a cold front. It’ll also be windy.
(Copyright KSAT-12 2026 – All Rights Reserved)

SUNDAY

Sunday will begin with cool temperatures, giving way to a mild afternoon. Some sunshine may peek through later in the day, nudging temperatures back into the 70s. However, any rain will likely remain to the west of San Antonio until Sunday night.

MONDAY

On Monday, a disturbance is expected to bring a good chance of light rain. The cloudy and damp conditions will hinder warming, with temperatures likely hovering in the low-60s for most of the day. While there is a possibility that the rain may taper off in time for the River Parade, it’s prudent to prepare for cool and damp weather.

Monday brings more chances for rain, along with cool temperatures
(Copyright KSAT-12 2026 – All Rights Reserved)

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