Theme park

Six Flags Fiesta Texas weather

San Antonio, TX

76° now

Today: Showers And Thunderstorms Likely, high 80°, 74% chance of rain

Flood Advisory, Flood Watch in effect

Current observed weather and the available forecast for Six Flags Fiesta Texas. Conditions can change quickly; check local alerts before travel.

National Weather Service

Active weather alerts

  • Flood AdvisorySeverity: Minor

    Flood Advisory issued October 2 at 10:57AM CDT until October 2 at 2:00PM CDT by NWS Austin/San Antonio TX

    Official NWS alert details
  • Flood WatchSeverity: Severe

    Flood Watch issued October 2 at 1:33AM CDT until October 2 at 7:00PM CDT by NWS Austin/San Antonio TX

    Official NWS alert details

Open year-round

The official hours feed shows open days in every month of 2026: weekends only in January and February (from Jan 10), daily in summer, and select days in the fall, with Holiday in the Park through Dec 31.

From Six Flags Fiesta Texas Park Hours (Six Flags official operating-hours feed behind the park-hours calendar (fims.prod.six-mt.com), scanned day by day Oct 2025 to Jan 2027), checked . Dates change each year.

Current conditions

Current weather at Six Flags Fiesta Texas

Overcast clouds

Observed at 1:30 PM local time

76°Feels like 77°
Humidity
94%
Wind
9 mph
Sunrise
7:28 AM
Sunset
7:19 PM

At a glance

Today and Tomorrow at Six Flags Fiesta Texas

Showers And Thunderstorms Likely

High 80° · Low 70°

Up to 74% chance of rain

Showers and thunderstorms likely. Cloudy, with a high near 80. North northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Chance Showers And Thunderstorms

High 82° · Low 70°

Up to 43% chance of rain

A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Hour by hour

Six Flags Fiesta Texas hourly forecast for the next 24 hours

  • 78°Showers And Thunderstorms Likely74% rain
  • 78°Showers And Thunderstorms Likely74% rain
  • 80°Showers And Thunderstorms Likely61% rain
  • 79°Showers And Thunderstorms Likely61% rain
  • 78°Showers And Thunderstorms Likely61% rain
  • 77°Chance Showers And Thunderstorms54% rain
  • 75°Chance Showers And Thunderstorms54% rain
  • 74°Chance Showers And Thunderstorms54% rain
  • 74°Chance Showers And Thunderstorms42% rain
  • 74°Chance Showers And Thunderstorms42% rain
  • 73°Chance Showers And Thunderstorms42% rain
  • 73°Chance Showers And Thunderstorms44% rain
  • 74°Chance Showers And Thunderstorms44% rain
  • 73°Chance Showers And Thunderstorms44% rain
  • 72°Chance Showers And Thunderstorms43% rain
  • 72°Chance Showers And Thunderstorms43% rain
  • 72°Chance Showers And Thunderstorms43% rain
  • 71°Chance Rain Showers30% rain
  • 72°Chance Rain Showers30% rain
  • 72°Chance Rain Showers30% rain
  • 73°Slight Chance Rain Showers20% rain
  • 75°Slight Chance Rain Showers20% rain
  • 77°Slight Chance Rain Showers20% rain
  • 78°Chance Showers And Thunderstorms27% rain

Day by day

Six Flags Fiesta Texas 7-day forecast

  • Showers And Thunderstorms LikelyUp to 74% rain80° / 70°
  • Chance Showers And ThunderstormsUp to 43% rain82° / 70°
  • Chance Rain Showers then Slight Chance Showers And ThunderstormsUp to 27% rain81° / 69°
  • Mostly SunnyUp to 6% rain84° / 66°
  • SunnyUp to 0% rain85° / 64°
  • SunnyUp to 0% rain86° / 65°
  • SunnyUp to 3% rain86° / 66°

Forecast from the National Weather Service, updated 1:24 PM local time. Hourly values are for the forecast grid cell containing this location. Current conditions from OpenWeather.

Averages, not a forecast

Six Flags Fiesta Texas weather by month

In an average October, highs are near 82° and lows near 60°, with measurable precipitation on about 6 days.

August is usually the warmest month (average high 96°), and January the coldest (average low 41°). March has the most days with precipitation, and August the fewest.

Average monthly weather near Six Flags Fiesta Texas, 1991–2020
MonthAvg highAvg lowPrecip. daysPrecip.
January63°41°72.0 in
February68°45°71.7 in
March74°52°92.3 in
April80°58°62.4 in
May87°66°84.4 in
June92°73°73.3 in
July95°75°52.4 in
August96°75°52.1 in
September90°70°73.9 in
October82°60°63.8 in
November72°50°62.1 in
December65°42°72.0 in

NOAA 1991–2020 U.S. Climate Normals from the SAN ANTONIO INTL AP, TX US station, 8 miles away. Precipitation days count days with at least 0.01 inch.

Confirm before you go

Six Flags Fiesta Texas location and park links

Check current hours, access, fees, closures, and local guidance with the destination itself.

Type
Theme park
City
San Antonio, TX
Address
17000 IH-10 West