Monday, October 19, 2026 · Hour-by-hour forecast updated 2:14 AM CDT
59°F and clear at peak. Wind 5 mph from the SE, dew point 49°F.
November and December are the best running months in Killeen, scoring 85 and 85 on the FitScore scale with mornings near 51°F and afternoon highs around 68°F. August is the toughest month: sticky dew points averaging 67°F alongside highs of 95°F drag the average FitScore down to 49 — plan on pre-dawn starts. Across the full year, Killeen ranks #137 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 Killeen are November, December, and January, with average FitScores of 85, 85, and 84 based on a decade of daily weather history. The most challenging is August (FitScore 49).
Historically, October in Killeen averages a FitScore of 80/100 — excellent running weather — with highs around 80°F, lows around 62°F, dew points near 54°F, and 5.6 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.