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San Antonio, TX Weather Tomorrow

Whether you're making plans for tomorrow or later this week, the San Antonio 5 day forecast includes precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the San Antonio area and around Bexar county, Texas.
Updated: Sun Sep 27th 2026 1:15 PM CDT
San Antonio, TX Weather – 9-27 – Overcast
93° / 74°
Overcast
In San Antonio, it will be overcast with highs near 93°F and lows around 74°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 9mph and gusts of 17mph at 11 PM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 50% at 11 PM and 32% being its lowest at 5 PM. Barometric pressure is its highest of 29.88inHg at 2 PM, a lowest point of 29.8inHg at 5 PM with an avg 29.83inHg.
San Antonio, TX Weather – 9-28 – Overcast
95° / 74°

Weather Tomorrow

Overcast
Daytime highs will reach 95°F with lows dropping to 74°F in San Antonio, where skies will be overcast. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 23.5mph at 5 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 80% at 8 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 29.91inHg at 9 AM, a lowest point of 29.75inHg at 5 PM with an avg 29.85inHg.
San Antonio, TX Weather – 9-29 – Scattered Showers
95° / 73°
Scattered Showers
Highs will reach 95°F with lows near 73°F in San Antonio, where passing showers are. There's a moderate 26% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 20mph on average and gusts of 28.6mph at 4 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 91% at 8 AM and 32% being its lowest at 3 PM. Barometric pressure is its highest of 29.85inHg at 1 AM, a lowest point of 29.66inHg at 5 PM with an avg 29.77inHg.
San Antonio, TX Weather – 9-30 – Scattered Showers
91° / 75°
Scattered Showers
Scattered showers are in the forecast for San Antonio, with a high of 91°F and a low of 75°F. Rainfall predicted to have a 75% chance with an estimated 0.32in. Wind will be moderate, blowing around 16mph on average and gusts of 29.1mph at 12 AM. The humidity will be on the higher side, averaging about 70%, the maximum being 90% at 8 AM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 29.79inHg at 10 AM, a lowest point of 29.65inHg at 5 PM with an avg 29.72inHg.
San Antonio, TX Weather – 10-1 – Light Rain Shower
89° / 67°
Light Rain Shower
San Antonio could see rain with daytime highs of 89°F and nighttime lows near 67°F. The chance of rain is 85% with an estimated 3.21in. Wind will be moderate, blowing around 17mph on average and gusts of 28.2mph at 10 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 97% at 8 AM and 51% being its lowest at 3 PM. Barometric pressure is its highest of 29.83inHg at 12 PM, a lowest point of 29.7inHg at 5 AM with an avg 29.75inHg.
San Antonio, TX Weather – 10-2 – Light Rain Shower
80° / 71°
Light Rain Shower
San Antonio is set for rain with temperatures peaking at 80°F and dipping to 71°F. The chance of rain is 85% with an estimated 1in. Wind will be moderate, blowing around 14mph on average and gusts of 25.9mph at 12 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 88% at 7 AM and 66% being its lowest at 5 PM. Barometric pressure is its highest of 29.9inHg at 10 PM, a lowest point of 29.79inHg at 12 AM with an avg 29.86inHg.

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