Monday, October 19, 2026 · Hour-by-hour forecast updated 3:11 AM EDT
55°F and overcast at peak. Wind 5 mph from the NE, dew point 42°F.
Running in Worcester peaks twice a year — May (FitScore 88) and October (86) — with typical morning lows of 48°F and 46°F respectively. January is the limiting month, with average lows of 21°F pulling its FitScore down to 51. Across the full year, Worcester ranks #128 of 200 U.S. running cities, with an annual FitScore of 73 (national median: 74). 8 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 11 AM–8 PM with a peak FitScore of 93/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Worcester are May, October, and June, with average FitScores of 88, 86, and 83 based on a decade of daily weather history. The most challenging is January (FitScore 51).
Historically, October in Worcester averages a FitScore of 86/100 — excellent running weather — with highs around 61°F, lows around 46°F, dew points near 45°F, and 8.6 days of measurable rain. That's about even with 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.