Muggy Weather, Storm Chances Ahead for San Antonio

Wet weather pattern expected to bring rain, thunderstorms through the weekend.

Published on Mar. 4, 2026

San Antonio is in for a muggy, unsettled weather pattern this week, with chances for scattered showers and thunderstorms increasing through the weekend. Forecasters are calling for warm temperatures, high humidity, and the potential for heavy rainfall and gusty winds as multiple weather disturbances move through the region.

Why it matters

The upcoming weather pattern could impact outdoor plans and activities, with the possibility of heavy rain, lightning, and strong winds. Residents should be prepared to adjust schedules and have backup plans in case of inclement weather.

The details

Wednesday is expected to be cloudy and muggy, with temperatures near 72°F and a high around 85°F. There is a chance of light morning drizzle, followed by a slight chance of rain showers through midday and a better chance of thunderstorms by mid to late afternoon. Winds will be from the south-southeast at 10-15 mph, with gusts up to 25 mph.

  • Wednesday, March 4, 2026: Cloudy, muggy conditions with a chance of showers and thunderstorms.
  • Friday, March 6, 2026 through Sunday, March 8, 2026: Rain chances climb, with forecasters calling for a good chance of at least an inch of rain, and some areas potentially seeing multiple inches.

The players

National Weather Service Austin/San Antonio

The local forecast office of the National Weather Service, providing official updates and the latest weather products for the San Antonio region.

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What’s next

Residents should continue to monitor the latest weather forecasts and radar updates from the National Weather Service Austin/San Antonio for the latest information on storm timing and potential impacts.

The takeaway

The upcoming unsettled weather pattern in San Antonio highlights the importance of being prepared for changing conditions, having backup plans for outdoor activities, and staying informed on the latest weather developments to ensure safety and minimize disruptions.