Tuesday, July 21, 2026 · Hour-by-hour forecast updated 8:26 AM CDT
84°F and clear at peak. Wind 3 mph from the WSW, dew point 69°F.
FitCast texts you tomorrow's hour-by-hour forecast every evening so you know exactly what to expect before your alarm goes off.
Based on today's FitScore analysis, the best time to run is 8 AM with a peak FitScore of 44/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Dallas are March, April, October, November. The most challenging months are typically July, August. Triple-digit heat is common — run before 7 AM or skip it entirely.
FitScore rates each hour from 0–100 for outdoor exercise based on temperature, humidity, dew point, wind, precipitation probability, UV index, and air quality. Higher scores mean better conditions.