Wenatchee weather in August: Wenatchee, Washington: normal highs, lows, rain and records for August
Wenatchee in August has a normal high of 86°F and a normal low of 61°F, a daily mean of 74°F, falling from 90°F on the 1st to 82°F by the 31st. Measurable precipitation falls on 2 days in a normal August, 0.23 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 16°C, 6 mm of precipitation in August.
- NOAA stationWenatchee Pangborn Airport
- Station IDUSW00094239
- Location47.40°N 120.20°W
- Elevation1,229 ft (375 m)
- From the center7 miles
- Population35,401
- Jan 34° 24°
- Feb 42° 27°
- Mar 53° 34°
- Apr 62° 40°
- May 72° 49°
- Jun 78° 55°
- Jul 88° 62°
- Aug 86° 61°
- Sep 77° 53°
- Oct 61° 41°
- Nov 44° 31°
- Dec 33° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Wenatchee in August?
The normal high is 86°F and the normal low 61°F, for a daily mean of 73.7°F. August is 1.0°F cooler than July and 9.1°F warmer than September. August is the 2nd warmest month of the year in Wenatchee and the 11th wettest. Across the month the normal high falls 8°F, from 90°F on August 1 to 82°F on August 31. From one year to the next August's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 72°F and 76°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 7%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 90°F | 64°F | 7% | 2% |
| August 8 | 89°F | 63°F | 7% | 2% |
| August 15 | 87°F | 62°F | 7% | 2% |
| August 22 | 85°F | 60°F | 7% | 2% |
| August 31 | 82°F | 57°F | 7% | 2% |
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 | 90°F | 64°F | 7% | 2% | 15 h |
| August 2 | 90°F | 64°F | 7% | 2% | 15 h |
| August 3 | 89°F | 64°F | 7% | 2% | 14 h 50 min |
| August 4 | 89°F | 64°F | 7% | 2% | 14 h 50 min |
| August 5 | 89°F | 63°F | 7% | 2% | 14 h 50 min |
| August 6 | 89°F | 63°F | 7% | 2% | 14 h 50 min |
| August 7 | 89°F | 63°F | 7% | 2% | 14 h 40 min |
| August 8 | 89°F | 63°F | 7% | 2% | 14 h 40 min |
| August 9 | 88°F | 63°F | 7% | 2% | 14 h 40 min |
| August 10 | 88°F | 63°F | 7% | 2% | 14 h 30 min |
| August 11 | 88°F | 62°F | 7% | 2% | 14 h 30 min |
| August 12 | 88°F | 62°F | 7% | 2% | 14 h 30 min |
| August 13 | 87°F | 62°F | 7% | 2% | 14 h 30 min |
| August 14 | 87°F | 62°F | 7% | 2% | 14 h 20 min |
| August 15 | 87°F | 62°F | 7% | 2% | 14 h 20 min |
| August 16 | 87°F | 61°F | 7% | 2% | 14 h 20 min |
| August 17 | 86°F | 61°F | 7% | 2% | 14 h 10 min |
| August 18 | 86°F | 61°F | 7% | 2% | 14 h 10 min |
| August 19 | 86°F | 61°F | 7% | 2% | 14 h 10 min |
| August 20 | 86°F | 60°F | 7% | 2% | 14 h |
| August 21 | 85°F | 60°F | 7% | 2% | 14 h |
| August 22 | 85°F | 60°F | 7% | 2% | 14 h |
| August 23 | 85°F | 59°F | 7% | 2% | 13 h 50 min |
| August 24 | 84°F | 59°F | 7% | 2% | 13 h 50 min |
| August 25 | 84°F | 59°F | 7% | 2% | 13 h 50 min |
| August 26 | 84°F | 59°F | 7% | 2% | 13 h 50 min |
| August 27 | 83°F | 58°F | 7% | 2% | 13 h 40 min |
| August 28 | 83°F | 58°F | 7% | 2% | 13 h 40 min |
| August 29 | 83°F | 58°F | 7% | 2% | 13 h 40 min |
| August 30 | 83°F | 58°F | 7% | 2% | 13 h 30 min |
| August 31 | 82°F | 57°F | 7% | 2% | 13 h 30 min |
- Normal high
- 86°FAugust average
- Normal low
- 61°FAugust average
- Precipitation
- 0.23 inmonth total
- Days with precipitation
- 20.01 inch or more
- Days at 90°F or more
- 13
- Daylight
- 15 h to 13 h 30 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094239; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Wenatchee in August?
On a given August day the chance of 0.01 inch or more is 7% on average, highest around August 1 (7%). In all, 0.23 in falls on 2 days of a normal August.
In a normal August in Wenatchee, 13 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094239.
How humid and windy is Wenatchee in August?
At 3 p.m. the normal temperature is 81°F with 25% relative humidity and a dew point of 41°F; at 6 a.m. it is 59°F with 57% humidity. The wind averages 8.5 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 59°F | 44°F | 57% | 7.0 mph | – |
| 9 a.m. | 67°F | 44°F | 44% | 8.5 mph | – |
| noon | 77°F | 43°F | 30% | 7.1 mph | – |
| 3 p.m. | 81°F | 41°F | 25% | 9.1 mph | – |
| 6 p.m. | 77°F | 43°F | 30% | 10.7 mph | – |
| 9 p.m. | 69°F | 43°F | 40% | 9.4 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094239. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Wenatchee?
The warmest August temperature on this station's record (since 1959) is 109°F, on August 4, 1961; the coldest is 42°F, on August 23, 1992. The wettest August brought 2.01 in (1976).
The August mean against the 1991-2020 normal of 73.7°F: 2021 75.0°F (+1.3), 2022 78.7°F (+5.0), 2023 75.4°F (+1.7), 2024 73.9°F (+0.2), 2025 77.2°F (+3.5), 2026 75.3°F (+1.6). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.0°F | +1.3°F | 0.18 in |
| 2022 | 78.7°F | +5.0°F | 0.00 in |
| 2023 | 75.4°F | +1.7°F | 0.41 in |
| 2024 | 73.9°F | +0.2°F | 0.39 in |
| 2025 | 77.2°F | +3.5°F | 0.14 in |
| 2026 | 75.3°F | +1.6°F | 0.00 in |
Source: records: ACIS, station USW00094239; recent months: ACIS, station USW00094239. Records and recent months use complete months only.
How does August in Wenatchee 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; Wenatchee's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.