Monday, October 19, 2026 · Hour-by-hour forecast updated 2:13 AM CDT
64°F and overcast at peak. Wind 6 mph from the NNW, dew point 48°F.
January and December are the best running months in McAllen, scoring 84 and 81 on the FitScore scale with mornings near 53°F and afternoon highs around 71°F. August is the toughest month: oppressive dew points averaging 72°F alongside highs of 97°F drag the average FitScore down to 40 — plan on pre-dawn starts. Year-round, this is one of the tougher running climates in the country — #187 of 200 (annual FitScore 62 vs. the 74 national median), which makes timing the good windows matter more. 5 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 100/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in McAllen are January, December, and February, with average FitScores of 84, 81, and 80 based on a decade of daily weather history. The most challenging is August (FitScore 40).
Historically, October in McAllen averages a FitScore of 62/100 — good running weather — with highs around 88°F, lows around 70°F, dew points near 65°F, and 5.4 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.