Monday, October 19, 2026 · Hour-by-hour forecast updated 2:14 AM CDT
61°F and clear at peak. Wind 7 mph from the SE, dew point 46°F.
Running in McKinney peaks twice a year — November (FitScore 85) and March (83) — with typical morning lows of 48°F and 49°F respectively. July is the toughest month: sticky dew points averaging 70°F alongside highs of 94°F drag the average FitScore down to 50 — plan on pre-dawn starts. Across the full year, McKinney ranks #139 of 200 U.S. running cities, with an annual FitScore of 72 (national median: 74). 7 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 All day with a peak FitScore of 100/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in McKinney are November, March, and December, with average FitScores of 85, 83, and 83 based on a decade of daily weather history. The most challenging is July (FitScore 50).
Historically, October in McKinney averages a FitScore of 82/100 — excellent running weather — with highs around 78°F, lows around 60°F, dew points near 53°F, and 6.4 days of measurable rain. That's below 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.