Tacoma weather in August: Tacoma, Washington: normal highs, lows, rain and records for August
Tacoma in August has a normal high of 76°F and a normal low of 54°F, a daily mean of 65°F, falling from 77°F on the 1st to 74°F by the 31st. Measurable precipitation falls on 5 days in a normal August, 0.86 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 24°C and low of 12°C, 22 mm of precipitation in August.
- NOAA stationTacoma Narrows Airport
- Station IDUSW00094274
- Location47.27°N 122.58°W
- Elevation292 ft (89 m)
- From the center6 miles
- Population228,202
- Jan 46° 36°
- Feb 48° 37°
- Mar 53° 39°
- Apr 58° 41°
- May 65° 47°
- Jun 70° 51°
- Jul 76° 54°
- Aug 76° 54°
- Sep 70° 51°
- Oct 59° 46°
- Nov 51° 40°
- Dec 46° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tacoma in August?
The normal high is 76°F and the normal low 54°F, for a daily mean of 65.0°F. August is 0.3°F warmer than July and 4.5°F warmer than September. August is the warmest month of the year in Tacoma and the 11th wettest. Across the month the normal high falls 3°F, from 77°F on August 1 to 74°F on August 31. From one year to the next August's mean temperature typically moves about 1.2°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 64°F and 66°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 77°F | 55°F | 12% | 5% |
| August 8 | 76°F | 55°F | 13% | 5% |
| August 15 | 76°F | 55°F | 15% | 6% |
| August 22 | 75°F | 54°F | 18% | 7% |
| August 31 | 74°F | 53°F | 23% | 9% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 77°F | 55°F | 12% | 5% | 15 h |
| August 2 | 77°F | 55°F | 12% | 5% | 15 h |
| August 3 | 77°F | 55°F | 12% | 5% | 14 h 50 min |
| August 4 | 77°F | 55°F | 13% | 5% | 14 h 50 min |
| August 5 | 77°F | 55°F | 13% | 5% | 14 h 50 min |
| August 6 | 77°F | 55°F | 13% | 5% | 14 h 40 min |
| August 7 | 77°F | 55°F | 13% | 5% | 14 h 40 min |
| August 8 | 76°F | 55°F | 13% | 5% | 14 h 40 min |
| August 9 | 76°F | 55°F | 14% | 5% | 14 h 40 min |
| August 10 | 76°F | 55°F | 14% | 6% | 14 h 30 min |
| August 11 | 76°F | 55°F | 14% | 6% | 14 h 30 min |
| August 12 | 76°F | 55°F | 15% | 6% | 14 h 30 min |
| August 13 | 76°F | 55°F | 15% | 6% | 14 h 20 min |
| August 14 | 76°F | 55°F | 15% | 6% | 14 h 20 min |
| August 15 | 76°F | 55°F | 15% | 6% | 14 h 20 min |
| August 16 | 76°F | 54°F | 16% | 6% | 14 h 20 min |
| August 17 | 76°F | 54°F | 16% | 6% | 14 h 10 min |
| August 18 | 76°F | 54°F | 16% | 6% | 14 h 10 min |
| August 19 | 76°F | 54°F | 17% | 6% | 14 h 10 min |
| August 20 | 75°F | 54°F | 17% | 7% | 14 h |
| August 21 | 75°F | 54°F | 18% | 7% | 14 h |
| August 22 | 75°F | 54°F | 18% | 7% | 14 h |
| August 23 | 75°F | 54°F | 19% | 7% | 13 h 50 min |
| August 24 | 75°F | 54°F | 19% | 7% | 13 h 50 min |
| August 25 | 75°F | 54°F | 20% | 8% | 13 h 50 min |
| August 26 | 75°F | 54°F | 20% | 8% | 13 h 40 min |
| August 27 | 74°F | 54°F | 21% | 8% | 13 h 40 min |
| August 28 | 74°F | 54°F | 21% | 8% | 13 h 40 min |
| August 29 | 74°F | 54°F | 22% | 8% | 13 h 30 min |
| August 30 | 74°F | 53°F | 22% | 9% | 13 h 30 min |
| August 31 | 74°F | 53°F | 23% | 9% | 13 h 30 min |
- Normal high
- 76°FAugust average
- Normal low
- 54°FAugust average
- Precipitation
- 0.86 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 15 h to 13 h 30 minAugust 1 to August 31
- Days at 70°F or more
- 26
- Days at 80°F or more
- 8
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094274; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tacoma in August?
On a given August day the chance of 0.01 inch or more is 16% on average, highest around August 31 (23%). In all, 0.86 in falls on 5 days of a normal August.
In a normal August in Tacoma, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094274.
What are the records for August in Tacoma?
The warmest August temperature on this station's record (since 1999) is 94°F, on August 16, 2020; the coldest is 47°F, on August 28, 2010. The wettest August brought 3.26 in (2001).
The August mean against the 1991-2020 normal of 65.0°F: 2021 64.4°F (−0.6), 2022 68.8°F (+3.8), 2023 68.6°F (+3.6), 2024 67.0°F (+2.0), 2025 68.5°F (+3.5), 2026 66.7°F (+1.7). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.4°F | −0.6°F | 0.07 in |
| 2022 | 68.8°F | +3.8°F | 0.04 in |
| 2023 | 68.6°F | +3.6°F | 0.23 in |
| 2024 | 67.0°F | +2.0°F | 1.11 in |
| 2025 | 68.5°F | +3.5°F | – |
| 2026 | 66.7°F | +1.7°F | 0.00 in |
Source: records: ACIS, station USW00094274; recent months: ACIS, station USW00094274. Records and recent months use complete months only.
How does August in Tacoma compare across Washington?
Across the 96 places PlainClimate covers in Washington, August normal highs run from 67°F in Long Beach to 91°F in Pasco; Tacoma's is 76°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.