Lancaster weather in August: Lancaster, California: normal highs, lows, rain and records for August
Lancaster in August has a normal high of 98°F and a normal low of 65°F, a daily mean of 81°F, falling from 99°F on the 1st to 96°F by the 31st. Measurable precipitation falls on 0 days in a normal August, 0.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 37°C and low of 18°C, 0 mm of precipitation in August.
- NOAA stationLancaster
- Station IDUSW00003159
- Location34.74°N 118.21°W
- Elevation2,338 ft (713 m)
- Population167,426
- Jan 59° 31°
- Feb 62° 35°
- Mar 67° 40°
- Apr 73° 45°
- May 82° 53°
- Jun 91° 62°
- Jul 98° 67°
- Aug 98° 65°
- Sep 91° 57°
- Oct 80° 46°
- Nov 67° 35°
- Dec 58° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lancaster in August?
The normal high is 98°F and the normal low 65°F, for a daily mean of 81.3°F. August is 1.1°F cooler than July and 7.1°F warmer than September. August is the 2nd warmest month of the year in Lancaster and the 12th wettest. Across the month the normal high falls 3°F, from 99°F on August 1 to 96°F on August 31. From one year to the next August's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 79°F and 83°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 2%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 99°F | 67°F | 2% | 0% |
| August 8 | 99°F | 66°F | 1% | 0% |
| August 15 | 98°F | 65°F | 1% | 0% |
| August 22 | 98°F | 64°F | 1% | 0% |
| August 31 | 96°F | 62°F | 1% | 0% |
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 | 99°F | 67°F | 2% | 0% | 13 h 50 min |
| August 2 | 99°F | 67°F | 2% | 0% | 13 h 50 min |
| August 3 | 99°F | 67°F | 2% | 0% | 13 h 50 min |
| August 4 | 99°F | 67°F | 1% | 0% | 13 h 50 min |
| August 5 | 99°F | 67°F | 1% | 0% | 13 h 50 min |
| August 6 | 99°F | 67°F | 1% | 0% | 13 h 50 min |
| August 7 | 99°F | 66°F | 1% | 0% | 13 h 40 min |
| August 8 | 99°F | 66°F | 1% | 0% | 13 h 40 min |
| August 9 | 99°F | 66°F | 1% | 0% | 13 h 40 min |
| August 10 | 98°F | 66°F | 1% | 0% | 13 h 40 min |
| August 11 | 98°F | 66°F | 1% | 0% | 13 h 40 min |
| August 12 | 98°F | 66°F | 1% | 0% | 13 h 40 min |
| August 13 | 98°F | 65°F | 1% | 0% | 13 h 30 min |
| August 14 | 98°F | 65°F | 1% | 0% | 13 h 30 min |
| August 15 | 98°F | 65°F | 1% | 0% | 13 h 30 min |
| August 16 | 98°F | 65°F | 1% | 0% | 13 h 30 min |
| August 17 | 98°F | 65°F | 1% | 0% | 13 h 30 min |
| August 18 | 98°F | 65°F | 1% | 0% | 13 h 20 min |
| August 19 | 98°F | 64°F | 1% | 0% | 13 h 20 min |
| August 20 | 98°F | 64°F | 1% | 0% | 13 h 20 min |
| August 21 | 98°F | 64°F | 1% | 0% | 13 h 20 min |
| August 22 | 98°F | 64°F | 1% | 0% | 13 h 20 min |
| August 23 | 97°F | 64°F | 1% | 0% | 13 h 10 min |
| August 24 | 97°F | 63°F | 1% | 0% | 13 h 10 min |
| August 25 | 97°F | 63°F | 1% | 0% | 13 h 10 min |
| August 26 | 97°F | 63°F | 1% | 0% | 13 h 10 min |
| August 27 | 97°F | 63°F | 1% | 0% | 13 h 10 min |
| August 28 | 97°F | 62°F | 1% | 0% | 13 h |
| August 29 | 96°F | 62°F | 1% | 0% | 13 h |
| August 30 | 96°F | 62°F | 1% | 0% | 13 h |
| August 31 | 96°F | 62°F | 1% | 0% | 13 h |
- Normal high
- 98°FAugust average
- Normal low
- 65°FAugust average
- Precipitation
- 0.01 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 29
- Daylight
- 13 h 50 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 97%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003159; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lancaster in August?
On a given August day the chance of 0.01 inch or more is 1% on average, highest around August 1 (2%). In all, 0.01 in falls on 0 days of a normal August.
In a normal August in Lancaster, 29 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003159.
How humid and windy is Lancaster in August?
At 3 p.m. the normal temperature is 95°F with 15% relative humidity and a dew point of 40°F; at 6 a.m. it is 65°F with 40% humidity. The wind averages 10.1 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 65°F | 40°F | 40% | 4.9 mph | 95% |
| 9 a.m. | 84°F | 40°F | 22% | 5.5 mph | 96% |
| noon | 94°F | 38°F | 14% | 10.0 mph | 93% |
| 3 p.m. | 95°F | 40°F | 15% | 16.4 mph | 89% |
| 6 p.m. | 87°F | 42°F | 21% | 16.9 mph | 93% |
| 9 p.m. | 78°F | 42°F | 27% | 11.9 mph | 96% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003159. 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 Lancaster?
The warmest August temperature on Lancaster's official record (since 1945) is 113°F, on August 19, 1950; the coldest is 43°F, on August 28, 1945. The wettest August brought 3.66 in (2023).
The August mean against the 1991-2020 normal of 81.3°F: 2021 82.9°F (+1.6), 2022 87.3°F (+6.0), 2023 80.1°F (−1.2), 2024 81.8°F (+0.5), 2025 83.7°F (+2.4), 2026 84.8°F (+3.5). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 82.9°F | +1.6°F | 0.00 in |
| 2022 | 87.3°F | +6.0°F | 0.00 in |
| 2023 | 80.1°F | −1.2°F | 3.66 in |
| 2024 | 81.8°F | +0.5°F | 0.00 in |
| 2025 | 83.7°F | +2.4°F | 0.01 in |
| 2026 | 84.8°F | +3.5°F | 0.00 in |
Source: records: ACIS, NWS threaded record WJFthr; recent months: ACIS, station USW00003159. Records and recent months use complete months only.
How does August in Lancaster compare across California?
Across the 219 places PlainClimate covers in California, August normal highs run from 63°F in Bodega to 109°F in Needles; Lancaster's is 98°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.