San Antonio, TX Hourly Forecast
San Antonio temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 4 PM - around 102°
- Coolest hour: 7 AM - around 77°
- Highest rain chance: 9 PM (36%) - pack accordingly
- UV peak: 2 PM at index 11 - sun protection recommended
- Windiest: 9 PM at 20 mph
San Antonio hourly weather - Thursday, August 6
In San Antonio, expect a high near 102°F (39°C) around 4 PM and a low of 82°F (28°C) near 11 PM; precipitation risk peaks at 36% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 2 PM | Sunny | 97° | 104° | 2% | 9 mph SSE | 43% | 11 | |
| 3 PM | Sunny | 98° | 100° | 2% | 9 mph SSE | 40% | 10 | |
| 4 PM | Sunny | 102° | 106° | 1% | 9 mph SE | 38% | 7 | |
| 5 PM | Sunny | 102° | 104° | 1% | 8 mph SE | 34% | 4 | |
| 6 PM | Sunny | 98° | 98° | 0% | 8 mph SE | 31% | 2 | |
| 7 PM | Sunny | 98° | 95° | 0% | 14 mph SSE | 32% | 0 | |
| 8 PM | Sunny | 93° | 88° | 1% | 16 mph SSE | 37% | 0 | |
| 9 PM | Patchy rain nearby | 86° | 90° | 36% | 20 mph SE | 60% | 0 | |
| 10 PM | Patchy rain nearby | 84° | 89° | 15% | 18 mph SE | 65% | 0 | |
| 11 PM | Clear | 82° | 86° | 5% | 16 mph SE | 70% | 0 |
San Antonio hourly weather - Friday, August 7
In San Antonio, expect a high near 99°F (37°C) around 4 PM and a low of 77°F (25°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 82° | 85° | 5% | 15 mph SE | 65% | 0 | |
| 1 AM | Clear | 81° | 84° | 6% | 13 mph SSE | 70% | 0 | |
| 2 AM | Partly Cloudy | 80° | 83° | 8% | 10 mph SSE | 73% | 0 | |
| 3 AM | Clear | 79° | 83° | 8% | 8 mph SSE | 75% | 0 | |
| 4 AM | Clear | 79° | 83° | 10% | 7 mph S | 78% | 0 | |
| 5 AM | Partly Cloudy | 78° | 83° | 12% | 5 mph SSE | 81% | 0 | |
| 6 AM | Partly Cloudy | 78° | 83° | 13% | 4 mph S | 83% | 0 | |
| 7 AM | Partly Cloudy | 77° | 83° | 13% | 4 mph SE | 85% | 0 | |
| 8 AM | Sunny | 79° | 83° | 10% | 6 mph SE | 82% | 0 | |
| 9 AM | Sunny | 82° | 86° | 6% | 8 mph SSE | 71% | 2 | |
| 10 AM | Sunny | 85° | 89° | 4% | 9 mph SSE | 59% | 4 | |
| 11 AM | Sunny | 88° | 92° | 2% | 9 mph SSE | 50% | 7 | |
| 12 PM | Sunny | 92° | 95° | 1% | 9 mph SSE | 43% | 9 | |
| 1 PM | Sunny | 94° | 94° | 1% | 10 mph SSE | 38% | 11 | |
| 2 PM | Sunny | 97° | 96° | 1% | 10 mph SE | 33% | 11 | |
| 3 PM | Sunny | 98° | 97° | 1% | 9 mph SE | 30% | 10 | |
| 4 PM | Cloudy | 99° | 98° | 5% | 8 mph SE | 28% | 7 | |
| 5 PM | Partly Cloudy | 99° | 97° | 4% | 9 mph SE | 28% | 4 | |
| 6 PM | Partly Cloudy | 97° | 96° | 3% | 9 mph SE | 30% | 2 | |
| 7 PM | Sunny | 97° | 95° | 2% | 8 mph SE | 30% | 0 | |
| 8 PM | Sunny | 93° | 89° | 2% | 14 mph ESE | 36% | 0 | |
| 9 PM | Clear | 89° | 90° | 1% | 17 mph SE | 43% | 0 | |
| 10 PM | Clear | 85° | 87° | 3% | 16 mph SE | 53% | 0 | |
| 11 PM | Clear | 82° | 86° | 4% | 14 mph SE | 64% | 0 |
San Antonio hourly weather - Saturday, August 8
In San Antonio, expect a high near 98°F (37°C) around 4 PM and a low of 75°F (24°C) near 7 AM; precipitation risk peaks at 19% around 7 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 81° | 84° | 6% | 12 mph SSE | 71% | 0 | |
| 1 AM | Clear | 80° | 83° | 8% | 9 mph SSE | 75% | 0 | |
| 2 AM | Clear | 79° | 83° | 9% | 6 mph SSE | 77% | 0 | |
| 3 AM | Thundery outbreaks in nearby | 78° | 83° | 12% | 5 mph SSE | 80% | 0 | |
| 4 AM | Partly Cloudy | 77° | 83° | 13% | 5 mph SSE | 82% | 0 | |
| 5 AM | Partly Cloudy | 77° | 83° | 14% | 5 mph S | 84% | 0 | |
| 6 AM | Partly Cloudy | 76° | 82° | 16% | 4 mph SSE | 86% | 0 | |
| 7 AM | Partly Cloudy | 75° | 81° | 19% | 4 mph SSE | 88% | 0 | |
| 8 AM | Partly Cloudy | 77° | 83° | 17% | 4 mph SSE | 84% | 0 | |
| 9 AM | Partly Cloudy | 80° | 84° | 11% | 4 mph SSE | 76% | 2 | |
| 10 AM | Sunny | 83° | 87° | 4% | 5 mph SSE | 63% | 4 | |
| 11 AM | Sunny | 87° | 89° | 2% | 6 mph SE | 51% | 7 | |
| 12 PM | Sunny | 90° | 92° | 1% | 6 mph SE | 42% | 9 | |
| 1 PM | Sunny | 93° | 93° | 1% | 8 mph SE | 37% | 11 | |
| 2 PM | Sunny | 95° | 94° | 1% | 8 mph SE | 33% | 11 | |
| 3 PM | Sunny | 97° | 96° | 1% | 8 mph SE | 31% | 10 | |
| 4 PM | Patchy rain nearby | 98° | 97° | 8% | 9 mph SE | 30% | 7 | |
| 5 PM | Partly Cloudy | 95° | 92° | 3% | 14 mph SE | 36% | 4 | |
| 6 PM | Partly Cloudy | 93° | 92° | 3% | 12 mph SE | 40% | 2 | |
| 7 PM | Partly Cloudy | 92° | 95° | 2% | 12 mph SE | 40% | 0 | |
| 8 PM | Sunny | 90° | 92° | 2% | 11 mph SE | 45% | 0 | |
| 9 PM | Clear | 87° | 90° | 2% | 11 mph SE | 49% | 0 | |
| 10 PM | Clear | 86° | 89° | 3% | 15 mph SE | 55% | 0 | |
| 11 PM | Clear | 83° | 86° | 4% | 14 mph SE | 64% | 0 |
Quick answers for the hours ahead
What is the warmest hour in San Antonio today?
Will it rain in San Antonio tonight?
When is the UV index highest in San Antonio today?
San Antonio hour-by-hour: what to expect
Over the next 24 hours in San Antonio, temperatures range from 77°F (25°C) around 7 AM up to 102°F (39°C) near 4 PM - about 6°F (3°C) above the typical August high of 96°F (36°C).
A stray shower can't be ruled out - Rain chances top out at 36% around 9 PM. Wind picks up to 20 mph (32 km/h) from the SE near 9 PM. UV reaches 11 (2 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the San Antonio 14-day forecast or the monthly climate averages.