San Antonio

San Antonio Braces for Sunny Skies and Moderate Temperatures as Midweek Rain Chances Emerge Amid Mild Winter Conditions

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Published on January 18, 2026
San Antonio Braces for Sunny Skies and Moderate Temperatures as Midweek Rain Chances Emerge Amid Mild Winter ConditionsSource: Google Street View

San Antonians can expect a week of predominantly clear skies and moderate temperatures according to the latest forecast. Today, the National Weather Service predicts "Sunny, with a high near 63". Northwest wind around 5 mph becoming south southwest in the afternoon. As we head into the evening, the sky will remain clear with temperatures dropping to a low around 35 degrees, and winds remaining light and variable.

Looking ahead to M.L.King Day, the continuation of sunny skies is anticipated with temperatures peaking around 64 degrees. In preparation for the evening and into tomorrow night, residents should note the "increasing clouds, with a low around 39," a slight shift that could mark a transition to less certain weather patterns in the following days, as per NWS. Forecasters also mention a calm northeast wind around 5 mph during nighttime.

For Tuesday, the outlook is "Mostly cloudy, with a high near 59," as the north northeast wind persists, shifting southeast in the afternoon. As we progress into Tuesday night, there's a 30 percent chance of showers after midnight under cloudy skies – a minor break into the otherwise fair conditions – with a low expected around 51 degrees, according to NWS.

The chance of precipitation increases slightly on Wednesday, with forecasters giving a "40 percent chance of showers. Mostly cloudy, with a high near 64," as mentioned on NWS. Later in the week, specifically Thursday, conditions appear to lean back towards the sunnier side, "Mostly sunny, with a high near 64," though the evening may see a return to cloudiness with a low around 48. Towards the end of the week, on Friday, temperatures are expected to climb to a warmer 72 degrees during the day despite persistent cloud coverage, which will last into the night with lows hovering around 55.

The week looks to conclude with what could be the warmest day, "Partly sunny, with a high near 73," on Saturday. More detailed weather information can be accessed at the National Weather Service's website with updates on the changing conditions. For those planning outdoor activities or travel, staying informed on the latest weather reports is advised.

Check the National Weather Service for real-time updates and further details on potential showers.