San Antonio, TX Hourly Forecast
San Antonio temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 3 PM - around 106°
- Coolest hour: 7 AM - around 76°
- Highest rain chance: 7 AM (61%) - pack accordingly
- UV peak: 2 PM at index 11 - sun protection recommended
- Windiest: 10 PM at 11 mph
San Antonio hourly weather - Wednesday, August 26
In San Antonio, expect a high near 106°F (41°C) around 3 PM and a low of 86°F (30°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 102° | 108° | 1% | 3 mph S | 38% | 10 | |
| 2 PM | Sunny | 104° | 108° | 0% | 5 mph SE | 32% | 11 | |
| 3 PM | Sunny | 106° | 110° | 0% | 5 mph SE | 29% | 9 | |
| 4 PM | Sunny | 101° | 100° | 1% | 6 mph SE | 24% | 7 | |
| 5 PM | Sunny | 101° | 100° | 1% | 7 mph SSE | 24% | 4 | |
| 6 PM | Sunny | 100° | 98° | 0% | 9 mph SSE | 24% | 2 | |
| 7 PM | Sunny | 99° | 96° | 1% | 9 mph S | 26% | 0 | |
| 8 PM | Sunny | 96° | 95° | 1% | 7 mph SSW | 29% | 0 | |
| 9 PM | Patchy rain nearby | 95° | 95° | 10% | 8 mph S | 33% | 0 | |
| 10 PM | Clear | 89° | 87° | 2% | 11 mph SSE | 39% | 0 | |
| 11 PM | Patchy rain nearby | 86° | 86° | 10% | 11 mph S | 46% | 0 |
San Antonio hourly weather - Thursday, August 27
In San Antonio, expect a high near 101°F (38°C) around 5 PM and a low of 76°F (25°C) near 7 AM; precipitation risk peaks at 61% around 7 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Partly Cloudy | 83° | 84° | 4% | 8 mph S | 50% | 0 | |
| 1 AM | Patchy rain nearby | 81° | 83° | 10% | 6 mph S | 56% | 0 | |
| 2 AM | Cloudy | 80° | 82° | 9% | 6 mph S | 62% | 0 | |
| 3 AM | Patchy rain nearby | 79° | 82° | 16% | 6 mph SSW | 67% | 0 | |
| 4 AM | Patchy rain nearby | 79° | 81° | 17% | 6 mph SW | 69% | 0 | |
| 5 AM | Partly Cloudy | 78° | 81° | 8% | 5 mph SW | 69% | 0 | |
| 6 AM | Patchy rain nearby | 77° | 80° | 20% | 6 mph SSW | 72% | 0 | |
| 7 AM | Patchy rain nearby | 76° | 81° | 61% | 4 mph SSW | 75% | 0 | |
| 8 AM | Light rain shower | 77° | 81° | 28% | 4 mph WSW | 72% | 0 | |
| 9 AM | Cloudy | 80° | 83° | 12% | 3 mph W | 63% | 1 | |
| 10 AM | Patchy rain nearby | 84° | 86° | 17% | 5 mph SSW | 55% | 3 | |
| 11 AM | Patchy rain nearby | 88° | 90° | 17% | 5 mph SSW | 46% | 6 | |
| 12 PM | Sunny | 92° | 94° | 1% | 5 mph S | 38% | 9 | |
| 1 PM | Patchy rain nearby | 96° | 98° | 10% | 4 mph SSE | 33% | 10 | |
| 2 PM | Sunny | 98° | 101° | 1% | 2 mph SE | 29% | 11 | |
| 3 PM | Sunny | 100° | 103° | 1% | 2 mph ESE | 27% | 9 | |
| 4 PM | Sunny | 101° | 103° | 1% | 2 mph ENE | 26% | 6 | |
| 5 PM | Sunny | 101° | 103° | 1% | 3 mph ESE | 25% | 4 | |
| 6 PM | Patchy rain nearby | 101° | 101° | 9% | 5 mph SSE | 24% | 1 | |
| 7 PM | Patchy rain nearby | 96° | 97° | 10% | 6 mph ENE | 31% | 0 | |
| 8 PM | Light rain shower | 80° | 83° | 59% | 8 mph NNE | 68% | 0 | |
| 9 PM | Light rain shower | 83° | 87° | 58% | 5 mph NNW | 66% | 0 | |
| 10 PM | Light rain shower | 83° | 86° | 36% | 7 mph W | 65% | 0 | |
| 11 PM | Patchy rain nearby | 82° | 86° | 21% | 9 mph WNW | 65% | 0 |
San Antonio hourly weather - Friday, August 28
In San Antonio, expect a high near 101°F (38°C) around 5 PM and a low of 77°F (25°C) near 7 AM; precipitation risk peaks at 18% around 3 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 82° | 86° | 15% | 6 mph WSW | 64% | 0 | |
| 1 AM | Overcast | 81° | 84° | 15% | 4 mph SE | 63% | 0 | |
| 2 AM | Overcast | 80° | 81° | 16% | 11 mph ESE | 67% | 0 | |
| 3 AM | Overcast | 78° | 80° | 18% | 8 mph SE | 69% | 0 | |
| 4 AM | Cloudy | 78° | 81° | 16% | 6 mph SSE | 74% | 0 | |
| 5 AM | Cloudy | 78° | 82° | 17% | 5 mph S | 77% | 0 | |
| 6 AM | Partly Cloudy | 77° | 82° | 13% | 6 mph SSW | 78% | 0 | |
| 7 AM | Clear | 77° | 81° | 9% | 6 mph SW | 80% | 0 | |
| 8 AM | Sunny | 77° | 82° | 8% | 4 mph SW | 78% | 7 | |
| 9 AM | Sunny | 80° | 83° | 5% | 5 mph SW | 69% | 7 | |
| 10 AM | Sunny | 84° | 86° | 3% | 5 mph SSW | 58% | 7 | |
| 11 AM | Sunny | 88° | 90° | 1% | 3 mph S | 48% | 8 | |
| 12 PM | Sunny | 92° | 94° | 1% | 2 mph SE | 41% | 8 | |
| 1 PM | Sunny | 94° | 98° | 1% | 2 mph ESE | 37% | 8 | |
| 2 PM | Sunny | 96° | 99° | 1% | 3 mph ESE | 34% | 9 | |
| 3 PM | Sunny | 99° | 102° | 0% | 3 mph NNE | 29% | 9 | |
| 4 PM | Sunny | 100° | 101° | 0% | 5 mph NNE | 27% | 9 | |
| 5 PM | Sunny | 101° | 101° | 1% | 5 mph NNE | 26% | 9 | |
| 6 PM | Sunny | 101° | 102° | 1% | 2 mph ESE | 24% | 9 | |
| 7 PM | Overcast | 99° | 99° | 8% | 4 mph SSE | 26% | 8 | |
| 8 PM | Patchy rain nearby | 95° | 97° | 10% | 4 mph S | 35% | 0 | |
| 9 PM | Clear | 94° | 96° | 1% | 5 mph SSW | 35% | 0 | |
| 10 PM | Patchy rain nearby | 92° | 93° | 17% | 6 mph ESE | 38% | 0 | |
| 11 PM | Cloudy | 78° | 82° | 14% | 3 mph SSE | 67% | 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 76°F (25°C) around 7 AM up to 106°F (41°C) near 3 PM - about 10°F (6°C) above the typical August high of 96°F (36°C).
Precipitation is a real possibility: the chance of rain peaks at 61% around 7 AM. 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.