Running conditions
Is It Too Hot to Run in Jacksonville Today?
Use the environmental risk signals below to adjust timing, intensity, shade, and recovery.
Forecast conditions
Avoid
Choose an indoor or fully climate-controlled alternative.
Heat index
102°F
WBGT est.
30.0°C
UV
0.1
Hourly running conditions
| Time | Temperature | Heat index | Estimated WBGT | UV | Risk |
|---|---|---|---|---|---|
| 7 PM | 92°F | 102°F | 30.0°C | 0.1 | High |
| 7 AM | 78°F | 81°F | 25.1°C | 0.0 | Moderate |
| 9 AM | 81°F | 85°F | 26.0°C | 0.8 | Moderate |
| 11 AM | 90°F | 95°F | 28.1°C | 5.3 | High |
| 1 PM | 96°F | 101°F | 29.6°C | 8.4 | High |
| 3 PM | 96°F | 100°F | 29.3°C | 6.5 | High |
| 5 PM | 90°F | 94°F | 27.9°C | 1.1 | High |
| 7 PM | 82°F | 86°F | 26.2°C | 0.2 | Moderate |
Three-day forecast
Thursday
Heat index up to 121°F
100° / 75°
Very highFriday
Heat index up to 103°F
98° / 77°
HighSaturday
Heat index up to 102°F
95° / 76°
HighKnow when it's safer to run
HeatGuard can notify you as conditions improve and keep this location saved.