Tacoma Narrows Half Marathon weather.
Typically 17°C on race morning; rain in 2 of the last 10 years. Race morning (07:00 to 11:00 local time) in Tacoma on race day in each of the last 10 years; the 2027 race is on 28 Aug 2027.
- Typical
- 17°C (63°F)
- race-morning average
- Coolest
- 13°C (55°F)
- lowest reading, 07:00–11:00
- Warmest
- 27°C (81°F)
- highest reading, 07:00–11:00
- Wet years
- 2 of 10
- rain, drizzle or worse
- Humidity
- 72%
- typical
- Wind
- 11 km/h
- typical, at 10 m
Race morning, 07:00–11:00
Year by year
| Race day | Average | Low–high | Humidity | Wind | Rain | Conditions |
|---|---|---|---|---|---|---|
| 29 Aug 2026 | 16°C (60°F) | 13°C (55°F)–18°C (65°F) | 76% | 10 km/h | 0.9 mm | Overcast |
| 30 Aug 2025 | 17°C (63°F) | 14°C (57°F)–21°C (69°F) | 82% | 3 km/h | 0.0 mm | Overcast |
| 31 Aug 2024 | 20°C (69°F) | 16°C (60°F)–25°C (76°F) | 69% | 11 km/h | 0.0 mm | Clear |
| 26 Aug 2023 | 22°C (71°F) | 17°C (62°F)–27°C (80°F) | 59% | 12 km/h | 0.0 mm | Clear |
| 27 Aug 2022 | 17°C (63°F) | 15°C (58°F)–20°C (68°F) | 65% | 21 km/h | 0.2 mm | Overcast |
| 28 Aug 2021 | 17°C (63°F) | 14°C (56°F)–21°C (70°F) | 66% | 10 km/h | 0.0 mm | Clear |
| 29 Aug 2020 | 17°C (62°F) | 16°C (60°F)–18°C (64°F) | 81% | 7 km/h | 2.1 mm | Light drizzle |
| 31 Aug 2019 | 19°C (67°F) | 17°C (62°F)–22°C (71°F) | 81% | 3 km/h | 0.0 mm | Overcast |
| 25 Aug 2018 | 15°C (58°F) | 13°C (55°F)–17°C (62°F) | 75% | 11 km/h | 0.3 mm | Overcast |
| 26 Aug 2017 | 19°C (65°F) | 15°C (58°F)–23°C (73°F) | 60% | 11 km/h | 0.0 mm | Clear |
Each row is the race's date that year where we know it, else the same weekday nearest its usual date. Temperatures and humidity are averaged over 07:00 to 11:00 local time, rain is the total over those hours, and conditions are the commonest over the morning. The half marathon starts at 07:30.
Kit and pacing
What it means
Warm: adjust your goal pace
Around 17°C on race morning costs most runners time. Plan to run a few seconds per kilometer slower than in cool weather, take on fluid and salt at every station, and wear light colors and sun cream.
General guidance from past years' numbers. Check the forecast in race week.
Weather data by Open-Meteo.com, from its historical weather archive (CC BY 4.0).