Friday, April 17, 2026 · Hour-by-hour forecast updated 8:21 AM MDT
38°F and overcast at peak. Wind 7 mph from the ESE, dew point 21°F.
Running Forecast 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 65/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Denver are April, May, September, October. The most challenging months are typically December, January. Altitude means stronger UV — wear sunscreen even when it's cool. Afternoon thunderstorms are common June–August.
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.