Tuesday, July 21, 2026 · Hour-by-hour forecast updated 9:26 AM EDT
73°F and mostly sunny at peak. Wind 6 mph from the S, dew point 70°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 7 AM with a peak FitScore of 61/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Atlanta are March, April, October, November. The most challenging months are typically July, August. The BeltLine is mostly shaded but dew points regularly exceed 68°F — hydrate aggressively.
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.