Ellensburg weather in August: Ellensburg, Washington: normal highs, lows, rain and records for August
Ellensburg in August has a normal high of 87°F and a normal low of 56°F, a daily mean of 71°F, falling from 89°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 2 days in a normal August, 0.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 13°C, 4 mm of precipitation in August.
- NOAA stationEllensburg Bowers Field
- Station IDUSW00024220
- Location47.03°N 120.53°W
- Elevation1,766 ft (538 m)
- Population20,996
- Jan 37° 24°
- Feb 44° 27°
- Mar 53° 31°
- Apr 61° 37°
- May 71° 45°
- Jun 77° 51°
- Jul 86° 57°
- Aug 87° 56°
- Sep 78° 47°
- Oct 62° 37°
- Nov 47° 29°
- Dec 36° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ellensburg in August?
The normal high is 87°F and the normal low 56°F, for a daily mean of 71.2°F. August is 0.4°F cooler than July and 9.0°F warmer than September. August is the 2nd warmest month of the year in Ellensburg and the 12th wettest. Across the month the normal high falls 6°F, from 89°F on August 1 to 83°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 69°F and 73°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 8%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 89°F | 59°F | 6% | 2% |
| August 8 | 88°F | 58°F | 6% | 2% |
| August 15 | 87°F | 57°F | 6% | 2% |
| August 22 | 86°F | 55°F | 7% | 2% |
| August 31 | 83°F | 52°F | 8% | 3% |
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 | 89°F | 59°F | 6% | 2% | 15 h |
| August 2 | 89°F | 59°F | 6% | 2% | 14 h 50 min |
| August 3 | 89°F | 59°F | 6% | 2% | 14 h 50 min |
| August 4 | 89°F | 58°F | 6% | 2% | 14 h 50 min |
| August 5 | 89°F | 58°F | 6% | 2% | 14 h 50 min |
| August 6 | 88°F | 58°F | 6% | 2% | 14 h 40 min |
| August 7 | 88°F | 58°F | 6% | 2% | 14 h 40 min |
| August 8 | 88°F | 58°F | 6% | 2% | 14 h 40 min |
| August 9 | 88°F | 58°F | 6% | 2% | 14 h 40 min |
| August 10 | 88°F | 58°F | 6% | 2% | 14 h 30 min |
| August 11 | 88°F | 57°F | 6% | 2% | 14 h 30 min |
| August 12 | 88°F | 57°F | 6% | 2% | 14 h 30 min |
| August 13 | 87°F | 57°F | 6% | 2% | 14 h 20 min |
| August 14 | 87°F | 57°F | 6% | 2% | 14 h 20 min |
| August 15 | 87°F | 57°F | 6% | 2% | 14 h 20 min |
| August 16 | 87°F | 56°F | 6% | 2% | 14 h 10 min |
| August 17 | 87°F | 56°F | 6% | 2% | 14 h 10 min |
| August 18 | 86°F | 56°F | 6% | 2% | 14 h 10 min |
| August 19 | 86°F | 56°F | 7% | 2% | 14 h 10 min |
| August 20 | 86°F | 55°F | 7% | 2% | 14 h |
| August 21 | 86°F | 55°F | 7% | 2% | 14 h |
| August 22 | 86°F | 55°F | 7% | 2% | 14 h |
| August 23 | 85°F | 54°F | 7% | 2% | 13 h 50 min |
| August 24 | 85°F | 54°F | 7% | 2% | 13 h 50 min |
| August 25 | 85°F | 54°F | 7% | 2% | 13 h 50 min |
| August 26 | 85°F | 53°F | 8% | 2% | 13 h 40 min |
| August 27 | 84°F | 53°F | 8% | 2% | 13 h 40 min |
| August 28 | 84°F | 53°F | 8% | 2% | 13 h 40 min |
| August 29 | 84°F | 53°F | 8% | 2% | 13 h 30 min |
| August 30 | 83°F | 52°F | 8% | 2% | 13 h 30 min |
| August 31 | 83°F | 52°F | 8% | 3% | 13 h 30 min |
- Normal high
- 87°FAugust average
- Normal low
- 56°FAugust average
- Precipitation
- 0.17 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 12
- Daylight
- 15 h to 13 h 30 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 25
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024220; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ellensburg in August?
On a given August day the chance of 0.01 inch or more is 7% on average, highest around August 31 (8%). In all, 0.17 in falls on 2 days of a normal August.
In a normal August in Ellensburg, 12 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024220.
What are the records for August in Ellensburg?
The warmest August temperature on this station's record (since 1940) is 107°F, on August 9, 2018; the coldest is 36°F, on August 28, 2000. The wettest August brought 1.60 in (1953).
The August mean against the 1991-2020 normal of 71.2°F: 2021 71.1°F (−0.1), 2022 75.9°F (+4.7), 2023 73.1°F (+1.9), 2024 71.3°F (+0.1), 2025 71.7°F (+0.5), 2026 69.5°F (−1.8). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.1°F | −0.1°F | 0.00 in |
| 2022 | 75.9°F | +4.7°F | 0.00 in |
| 2023 | 73.1°F | +1.9°F | 0.03 in |
| 2024 | 71.3°F | +0.1°F | 0.17 in |
| 2025 | 71.7°F | +0.5°F | 0.13 in |
| 2026 | 69.5°F | −1.8°F | 0.20 in |
Source: records: ACIS, station USW00024220; recent months: ACIS, station USW00024220. Records and recent months use complete months only.
How does August in Ellensburg 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; Ellensburg's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.