Monday, October 19, 2026 · Hour-by-hour forecast updated 3:15 AM EDT
63°F and clear at peak. Wind 9 mph from the NNE, dew point 58°F.
January and February are the best running months in St. Petersburg, scoring 84 and 80 on the FitScore scale with mornings near 55°F and afternoon highs around 68°F. July is the toughest month: oppressive dew points averaging 74°F alongside highs of 88°F drag the average FitScore down to 36 — plan on pre-dawn starts. Year-round, this is one of the tougher running climates in the country — #188 of 200 (annual FitScore 62 vs. the 74 national median), which makes timing the good windows matter more. 6 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–6 AM with a peak FitScore of 81/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in St. Petersburg are January, February, and December, with average FitScores of 84, 80, and 79 based on a decade of daily weather history. The most challenging is July (FitScore 36).
Historically, October in St. Petersburg averages a FitScore of 60/100 — good running weather — with highs around 83°F, lows around 71°F, dew points near 67°F, and 5.7 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.