Running conditions
Is It Too Hot to Run in San Antonio Today?
Use the environmental risk signals below to adjust timing, intensity, shade, and recovery.
Forecast conditions
Fair
Adjust pace and take regular water breaks.
Heat index
81°F
WBGT est.
23.0°C
UV
0.0
Hourly running conditions
| Time | Temperature | Heat index | Estimated WBGT | UV | Risk |
|---|---|---|---|---|---|
| 8 AM | 72°F | 76°F | 22.0°C | 0.0 | Low |
| 10 AM | 77°F | 79°F | 23.1°C | 1.9 | Low |
| 12 PM | 82°F | 84°F | 24.8°C | 6.6 | Moderate |
| 2 PM | 85°F | 87°F | 25.7°C | 8.3 | Moderate |
| 4 PM | 86°F | 87°F | 25.7°C | 4.7 | Moderate |
| 6 PM | 84°F | 85°F | 25.1°C | 0.8 | Moderate |
| 8 AM | 70°F | 70°F | 19.4°C | 0.0 | Low |
| 10 AM | 77°F | 79°F | 22.2°C | 2.0 | Low |
Three-day forecast
Sunday
Heat index up to 83°F
79°F / 73°F
ModerateMonday
Heat index up to 88°F
86°F / 72°F
ModerateTuesday
Heat index up to 88°F
88°F / 69°F
ModerateKnow when it's safer to run
HeatGuard can notify you as conditions improve and keep this location saved.