Monday, October 19, 2026 · Hour-by-hour forecast updated 3:15 AM EDT
68°F and clear at peak. Wind 5 mph from the NNW, dew point 61°F.
January and February are the best running months in Port St. Lucie, scoring 81 and 76 on the FitScore scale with mornings near 58°F and afternoon highs around 73°F. August is the toughest month: oppressive dew points averaging 75°F alongside highs of 88°F drag the average FitScore down to 38 — plan on pre-dawn starts. Year-round, this is one of the tougher running climates in the country — #191 of 200 (annual FitScore 60 vs. the 74 national median), which makes timing the good windows matter more. 4 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 6 AM with a peak FitScore of 74/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Port St. Lucie are January, February, and March, with average FitScores of 81, 76, and 75 based on a decade of daily weather history. The most challenging is August (FitScore 38).
Historically, October in Port St. Lucie averages a FitScore of 54/100 — fair running weather — with highs around 83°F, lows around 72°F, dew points near 69°F, and 10.8 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.