Weather Tomorrow in San Marcos, TX
Friday, October 9, 2026
High 90°FLow 68°F
Clear
- Rain chance
- 0%
- Wind
- 0-5 mph
- Humidity
- 60%
- Feels like
- 68–88°F
Data source: National Weather Service (NOAA) · Forecast issued
Precipitation Timeline
No significant precipitation expected tomorrow.
Tomorrow by Hour
Local time. Rows with a 40% or higher chance of rain are shaded blue.
| Time | Sky | Temp | Rain | Wind (mph) |
|---|---|---|---|---|
| 12 AM | , Partly Cloudy | 75°F | 0% | 0 |
| 1 AM | , Mostly Clear | 75°F | 0% | 0 |
| 2 AM | , Partly Cloudy | 74°F | 0% | 0 |
| 3 AM | , Mostly Clear | 72°F | 0% | 0 |
| 4 AM | , Mostly Clear | 70°F | 0% | 0 |
| 5 AM | , Mostly Clear | 70°F | 0% | 5 N |
| 6 AM | , Sunny | 69°F | 0% | 5 N |
| 7 AM | , Sunny | 68°F | 0% | 5 N |
| 8 AM | , Sunny | 70°F | 0% | 5 N |
| 9 AM | , Sunny | 74°F | 0% | 5 NNE |
| 10 AM | , Sunny | 79°F | 0% | 5 NNE |
| 11 AM | , Sunny | 83°F | 0% | 5 NE |
| 12 PM | , Sunny | 85°F | 0% | 5 NE |
| 1 PM | , Sunny | 87°F | 0% | 5 NE |
| 2 PM | , Sunny | 88°F | 0% | 5 NE |
| 3 PM | , Sunny | 88°F | 0% | 5 NE |
| 4 PM | , Sunny | 90°F | 0% | 5 NE |
| 5 PM | , Sunny | 88°F | 0% | 5 NE |
| 6 PM | , Clear | 86°F | 0% | 5 ENE |
| 7 PM | , Clear | 84°F | 0% | 5 ENE |
| 8 PM | , Clear | 78°F | 0% | 0 |
| 9 PM | , Clear | 76°F | 0% | 0 |
| 10 PM | , Clear | 74°F | 0% | 0 |
| 11 PM | , Clear | 73°F | 0% | 0 |
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- Light t-shirt or tank top
- Shorts or light skirt
- Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- Sunglasses
- Sunscreen
Conditions
- High
- 90°F
- Low
- 68°F
- Wind
- 0-5 mph
- Rain
- 0%
Enjoy your day!
Best Time to Be Outside Tomorrow
6 AM – 9 AM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
99out of 100
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Frequently Asked Questions
What is the weather forecast for tomorrow in San Marcos, TX?
Tomorrow in San Marcos: High of 90°F, Low of 68°F. Clear with 0% chance of precipitation. Wind 0-5 mph.
Will it rain tomorrow in San Marcos?
No significant precipitation expected tomorrow.
What should I wear tomorrow in San Marcos?
With a high of 90°F and low of 68°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA). A next-day forecast is the most reliable part of any forecast, but it can still change, so check again in the evening. The page shows when the forecast was issued.