Monday, October 19, 2026 · Hour-by-hour forecast updated 2:14 AM CDT
67°F and mostly sunny at peak. Wind 6 mph from the ENE, dew point 48°F.
January and December are the best running months in Houston, scoring 83 and 81 on the FitScore scale with mornings near 45°F and afternoon highs around 62°F. August is the toughest month: oppressive dew points averaging 74°F alongside highs of 92°F drag the average FitScore down to 41 — plan on pre-dawn starts. Year-round, this is one of the tougher running climates in the country — #182 of 200 (annual FitScore 65 vs. the 74 national median), which makes timing the good windows matter more. 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 5 AM–10 AM with a peak FitScore of 98/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Houston are January, December, and February, with average FitScores of 83, 81, and 80 based on a decade of daily weather history. The most challenging is August (FitScore 41). Humidity is brutal — dew points above 70°F are routine. Pre-dawn only.
Historically, October in Houston averages a FitScore of 71/100 — good running weather — with highs around 81°F, lows around 64°F, dew points near 62°F, and 7.2 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.