Weather forecast for tomorrow
Tuesday, Apr 29.
6:49 am
8:09 pm
CDT
8:09 pm
CDT
AM Clouds / PM Sun
88°F / 72°F
- Wind: 19mph SSE
- Humidity: 68%
- Precip. probability: 24%
- Precipitation: 0"
- UV index: 9
Tomorrow, expect morning clouds but afternoon sunshine will take over.
Rainfall is not expected. The temperature scale will run from a maximum of a blazing 87.8°F to a minimum of a pleasant 71.6°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at a fiery hot 98.6°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Conditions will lean hotter, as the high of 87.8°F is more representative of May's climate.
Sunrise will be at 6:49 am and sunset at 8:09 pm; tomorrow's daylight will last for 13h and 20min.
Rainfall is not expected. The temperature scale will run from a maximum of a blazing 87.8°F to a minimum of a pleasant 71.6°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at a fiery hot 98.6°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Conditions will lean hotter, as the high of 87.8°F is more representative of May's climate.
Sunrise will be at 6:49 am and sunset at 8:09 pm; tomorrow's daylight will last for 13h and 20min.
Frequently asked questions
What is the weather forecast for San Marcos for tomorrow?
On Tuesday, the morning will be cloudy, but expect sunshine as the day progresses.
Will it rain tomorrow?
No, it will not rain tomorrow.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 71.6°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 98.6°F.
The highest temperature will be significantly higher than the average maximum of 77.5°F in April. The lowest temperature will be also uncommonly higher than the average low of 58.6°F.
The highest temperature will be significantly higher than the average maximum of 77.5°F in April. The lowest temperature will be also uncommonly higher than the average low of 58.6°F.
What time are sunrise and sunset tomorrow?
On Tuesday, in San Marcos, sunrise will be at 6:49 am and sunset at 8:09 pm (CDT).
How many hours of daylight will San Marcos have tomorrow?
In San Marcos, tomorrow, there will be 13h and 20min of daylight.
Hourly weather forecast
12 am
- 73°F
- Feels like:
77°F
Cloudy
- Wind: 11mph SSE
- Pressure: 29.97"Hg
- Humidity: 87%
- Precip. probability: 12%
- Precipitation: 0"
- Visibility: 10mi
2 am
- 73°F
- Feels like:
75°F
Cloudy
- Wind: 10mph S
- Pressure: 29.97"Hg
- Humidity: 92%
- Precip. probability: 18%
- Precipitation: 0"
- Visibility: 10mi
4 am
- 73°F
- Feels like:
75°F
Cloudy
- Wind: 8mph SSE
- Pressure: 29.94"Hg
- Humidity: 94%
- Precip. probability: 17%
- Precipitation: 0"
- Visibility: 9mi
6 am
- 72°F
- Feels like:
75°F
Cloudy
- Wind: 10mph SSE
- Pressure: 29.94"Hg
- Humidity: 93%
- Precip. probability: 22%
- Precipitation: 0"
- Visibility: 10mi
Sunrise: 6:49 am
8 am
- 73°F
- Feels like:
75°F
Cloudy
- Wind: 9mph SSE
- Pressure: 29.97"Hg
- Humidity: 92%
- Precip. probability: 21%
- Precipitation: 0"
- Visibility: 7mi
10 am
- 77°F
- Feels like:
81°F
Cloudy
- Wind: 15mph SSE
- Pressure: 29.97"Hg
- Humidity: 81%
- Precip. probability: 5%
- Precipitation: 0"
- Visibility: 10mi
12 pm
- 82°F
- Feels like:
86°F
Mostly Cloudy
- Wind: 17mph SSE
- Pressure: 29.97"Hg
- Humidity: 63%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
2 pm
- 86°F
- Feels like:
90°F
Partly Cloudy
- Wind: 17mph SSE
- Pressure: 29.94"Hg
- Humidity: 55%
- Precip. probability: 2%
- Precipitation: 0"
- Visibility: 10mi
4 pm
- 86°F
- Feels like:
91°F
Partly Cloudy
- Wind: 17mph SSE
- Pressure: 29.88"Hg
- Humidity: 51%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
6 pm
- 84°F
- Feels like:
88°F
Mostly Cloudy
- Wind: 19mph SSE
- Pressure: 29.85"Hg
- Humidity: 54%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
8 pm
- 81°F
- Feels like:
82°F
Partly Cloudy
- Wind: 17mph SSE
- Pressure: 29.85"Hg
- Humidity: 62%
- Precip. probability: 1%
- Precipitation: 0"
- Visibility: 10mi
Sunset: 8:09 pm
10 pm
- 75°F
- Feels like:
79°F
Mostly Cloudy
- Wind: 15mph SSE
- Pressure: 29.91"Hg
- Humidity: 77%
- Precip. probability: 15%
- Precipitation: 0"
- Visibility: 10mi
Tomorrow, on Tuesday, primarily gloomy and occasionally showery weather is expected.
The temperature will be between a minimum of 71.6°F and a maximum of 86°F. The hottest part of the day will be from 2 pm to 5 pm.
The expected temperature aligns more with May's average high than with April's 77.5°F. The minimum temperature will be also more comparable to May's average low of 65.8°F than April's typical 58.6°F.
The temperature will be between a minimum of 71.6°F and a maximum of 86°F. The hottest part of the day will be from 2 pm to 5 pm.
The expected temperature aligns more with May's average high than with April's 77.5°F. The minimum temperature will be also more comparable to May's average low of 65.8°F than April's typical 58.6°F.
Updated: Apr 28, 2025 @ 19:53:49 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate