Weather forecast for 10 daysSan Antonio, FL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 79°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 17mphNE 37°
  • Humidity: 68%
  • UV index: 8
  • Sunrise: 7:31 am EDT
  • Sunset: 6:56 pm EDT
  • ▼
On Sunday, in San Antonio, blue skies and warm sunshine will define the conditions.
Temperature is predicted to swing from a high of a warm 78.8°F to a low of a comfortable 62.6°F.
The temperature is forecasted to be a few degrees lower than the standard October peak of 82.9°F.
Sunrise will be at 7:31 am and sunset at 6:56 pm; tomorrow's daylight will last for 11h and 25min.

10-day overview

Daily temperatures

Warmest day: Wednesday 82°C.
Minimum temperature: 79°C.

Chance of precipitation

Highest chance: Sunday 25.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 59°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 12mphNNE 22°
  • Humidity: 78%
  • UV index: 0
  • Sunrise: 7:31 am EDT
  • Sunset: 6:57 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 79°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 17mphNE 37°
  • Humidity: 68%
  • UV index: 8
  • Sunrise: 7:31 am EDT
  • Sunset: 6:56 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 81°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 14mphNNE 32°
  • Humidity: 70%
  • UV index: 7
  • Sunrise: 7:32 am EDT
  • Sunset: 6:55 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 81°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphNNE 27°
  • Humidity: 67%
  • UV index: 7
  • Sunrise: 7:32 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 82°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphNNE 22°
  • Humidity: 65%
  • UV index: 7
  • Sunrise: 7:33 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 81°F
  • 54°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphNNE 18°
  • Humidity: 60%
  • UV index: 7
  • Sunrise: 7:34 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 81°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphNNE 29°
  • Humidity: 62%
  • UV index: 7
  • Sunrise: 7:34 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 14mphNNE 32°
  • Humidity: 69%
  • UV index: 7
  • Sunrise: 7:35 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 15mphNNE 26°
  • Humidity: 70%
  • UV index: 7
  • Sunrise: 7:36 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 14mphNNE 25°
  • Humidity: 69%
  • UV index: 7
  • Sunrise: 7:36 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
Conditions over the next ten days suggest that primarily dry and sunny and occasionally cloud-filled weather is predicted.
Rainfall is not expected in San Antonio in the upcoming period.
The temperature shift across days will be subtle across the forecast window. Maximum temperatures will fall between 78.8°F and 82.4°F, while the lowest temperature will be between 53.6°F and 62.6°F.
Wednesday will be the warmest day, with a maximum temperature of 82.4°F; the coldest days will be Sunday, next Sunday and Monday, with a maximum of 78.8°F.
Updated: Oct 18, 2026 @ 01:57:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, clear skies with only minor cloud interruptions are in the outlook.

Tomorrow, the maximum temperature in San Antonio will be 78.8°F, while the minimum temperature will be 62.6°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 82.9°F in October. The lowest temperature tomorrow will be also slightly cooler than the average low temperature.

On Sunday, in San Antonio, sunrise will be at 7:31 am and sunset at 6:56 pm (EDT).

In San Antonio, the length of the day tomorrow will be 11h and 25min.