Monday, October 19, 2026 · Hour-by-hour forecast updated 12:12 AM MST
61°F and clear at peak. Wind 1 mph from the WSW, dew point 55°F.
April and May are the best running months in Tucson, scoring 98 and 98 on the FitScore scale with mornings near 55°F and afternoon highs around 83°F. July brings dry heat — average highs of 99°F with dew points only around 57°F — holding the month to a FitScore of 60 outside the early-morning window. Across the full year, Tucson ranks #43 of 200 U.S. running cities, with an annual FitScore of 88 (national median: 74). Conditions stay runnable nearly year-round, with 10 months scoring 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–8 AM with a peak FitScore of 89/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Tucson are April, May, and November, with average FitScores of 98, 98, and 97 based on a decade of daily weather history. The most challenging is July (FitScore 60).
Historically, October in Tucson averages a FitScore of 96/100 — excellent running weather — with highs around 86°F, lows around 61°F, dew points near 38°F, and 1.8 days of measurable rain. That's above 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.