Monday, October 19, 2026 · Hour-by-hour forecast updated 3:11 AM EDT
61°F and clear at peak. Wind 10 mph from the NNE, dew point 34°F.
Running in Durham peaks twice a year — April (FitScore 88) and November (88) — with typical morning lows of 50°F and 43°F respectively. July is the toughest month: sticky dew points averaging 69°F alongside highs of 90°F drag the average FitScore down to 55 — plan on pre-dawn starts. Across the full year, Durham ranks #80 of 200 U.S. running cities, with an annual FitScore of 76 (national median: 74). 8 months of the year score 70 or better.
Based on 2015–2024 daily weather history (Open-Meteo ERA5), scored against 200 U.S. cities. Monthly FitScore reflects each day’s best running window.
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 11 AM–10 PM with a peak FitScore of 97/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Durham are April, November, and March, with average FitScores of 88, 88, and 86 based on a decade of daily weather history. The most challenging is July (FitScore 55).
Historically, October in Durham averages a FitScore of 86/100 — excellent running weather — with highs around 72°F, lows around 54°F, dew points near 53°F, and 4.8 days of measurable rain. That's about even with the national median of 86 for October.
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.