America's Finest City Half Marathon & 5K
San Diego, CA, USA • August 16, 2026
Race Day Weather
70°
77° high
Breezy
Dry
Warm start, steady conditions ahead
Runners will face a starting temperature of 70°F, rising to 77°F by the end of the race. Wind from the WSW at 10 mph will provide a slight tailwind throughout, while humidity remains high at 71%. To optimize performance, runners should consider adjusting their pace conservatively, especially as temperatures rise.
Race day forecast available in 142 days
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Distance: 13.1mi
0:00:00
HH:MM:SS
San Diego’s most scenic half marathon - run from the Cabrillo National Monument atop the tip of Point Loma, along San Diego Bay, Harbor Island, Embarcadero, past the Star of India, through downtown San Diego to a rousing finish in historic Balboa Park. Source
Historical Weather
Based on 25 years of data
Avg Temp
75°F
L:68° H:75°
RunScore
Conditions
Rain Freq
4%
1 of 25 yrs
Wind10mph
Dew62°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 66°/72° | - | 59° | |
2024 | | 68°/78° | - | 63° | |
2023 |  | 72°/74° | Light | 71° | |
2022 | | 70°/72° | - | 63° | |
2021 | | 71°/79° | - | 64° | |
2019 | | 67°/73° | - | 58° | |
2018 | | 73°/81° | - | 65° | |
2017 | | 69°/74° | - | 59° | |
2016 | | 67°/76° | - | 62° | |
2015 | | 71°/84° | - | 67° | |
2014 | | 71°/79° | - | 65° | |
2013 | | 65°/69° | - | 60° | |
2012 | | 73°/82° | - | 65° | |
2011 | | 63°/70° | - | 57° | |
2010 | | 61°/67° | - | 57° | |
2009 | | 67°/72° | - | 57° | |
2008 | | 70°/77° | - | 61° | |
2007 | | 70°/80° | - | 65° | |
2006 | | 69°/75° | - | 59° | |
2005 | | 66°/71° | - | 57° | |
2004 | | 68°/71° | - | 62° | |
2003 | | 70°/78° | - | 67° | |
2002 | | 65°/68° | - | 61° | |
2001 | | 68°/74° | - | 66° | |
2000 | | 68°/73° | - | 65° |