Sunday, October 18, 2026 · Hour-by-hour forecast updated 11:13 PM AKDT
36°F and overcast at peak. Wind 6 mph from the NNE, dew point 35°F.
June and July are the best running months in Anchorage, scoring 93 and 89 on the FitScore scale with mornings near 50°F and afternoon highs around 65°F. January is the limiting month, with average lows of 12°F and highs of only 21°F pulling its FitScore down to 34. Year-round, this is one of the tougher running climates in the country — #181 of 200 (annual FitScore 65 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 6 PM with a peak FitScore of 50/100. Check the hourly breakdown above for detailed conditions throughout the day.
The best months for running in Anchorage are June, July, and August, with average FitScores of 93, 89, and 88 based on a decade of daily weather history. The most challenging is January (FitScore 34).
Historically, October in Anchorage averages a FitScore of 67/100 — good running weather — with highs around 43°F, lows around 33°F, dew points near 32°F, and 10.4 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.