America's Finest City Half Marathon & 5K

San Diego, CA, USA · August 16, 2026

70°·77° high·Breezy·Dry

Weather

Race Day Weather

70°at start

77° high

Breezy

Dry

Warm start, steady conditions ahead

Runners will face a starting temperature of 70°F, rising to 77°F by race end, with humidity at 71% and a dew point of 64°F. Winds will be out of the WSW at 10 mph, creating a light headwind throughout. Given the warm conditions, runners should consider adjusting their pace and ensuring proper hydration throughout the race.

Race day forecast available in 102 days

4 AM

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

Pre-raceRace windowPost-race

Pace Calculator

Distance: 13.1mi

Target Finish Time

0:00:00

HH:MM:SS

Pace

—

Weather Adj.

—

Common Goals:

Get forecast alerts for America's Finest City Half Marathon & 5K

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

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

Website

Course Map

FAQ

When is the 2026 America's Finest City Half Marathon & 5K?

The 2026 America's Finest City Half Marathon & 5K will be held on Sunday August 16, 2026.

What will the weather be like for the 2026 America's Finest City Half Marathon & 5K?

The forecast calls for a high of 77°F and a low of 70°F with a 0% chance of rain.

Historical Weather

Based on 25 years of data

Avg Temp

75°F

L:68° H:75°

RunScore

Conditions

Rain Freq

1 of 25 yrs

Wind10mph

Dew62°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2025	66°/72°	-	59°
2024 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2024	68°/78°	-	63°
2023 America's Finest City Half Marathon & 5K Cloudy skies throughout the day with a chance of rain throughout the day. 2023	72°/74°	Light	71°
2022 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2022	70°/72°	-	63°
2021 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2021	71°/79°	-	64°
2019 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2019	67°/73°	-	58°
2018 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2018	73°/81°	-	65°
2017 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2017	69°/74°	-	59°
2016 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2016	67°/76°	-	62°
2015 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2015	71°/84°	-	67°
2014 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2014	71°/79°	-	65°
2013 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2013	65°/69°	-	60°
2012 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2012	73°/82°	-	65°
2011 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2011	63°/70°	-	57°
2010 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2010	61°/67°	-	57°
2009 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2009	67°/72°	-	57°
2008 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2008	70°/77°	-	61°
2007 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2007	70°/80°	-	65°
2006 America's Finest City Half Marathon & 5K Clearing in the afternoon. 2006	69°/75°	-	59°
2005 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2005	66°/71°	-	57°
2004 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2004	68°/71°	-	62°
2003 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2003	70°/78°	-	67°
2002 America's Finest City Half Marathon & 5K Cloudy skies throughout the day. 2002	65°/68°	-	61°
2001 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2001	68°/74°	-	66°
2000 America's Finest City Half Marathon & 5K Partly cloudy throughout the day. 2000	68°/73°	-	65°

More CA Races

Quicksilver 100K & 50K

2026-05-09 · San Jose, CA, USA

San Lorenzo River Marathon

2026-07-11 · Santa Cruz, CA, USA

Wild West Marathon & Ultra

2026-05-02 · Lone Pine, CA, USA

Golden Gate Trail Run Marathon

2027-02-06 · Rodeo Beach, CA, USA

Saddleback Marathon

2026-11-07 · Lake Elsinore, CA, USA

Miwok 100K

2026-05-02 · Stinson Beach, CA, USA