Sweeny Weather in August
Average highs run from 92°F on August 1 to 90°F on August 31, and lows from 76°F to 76°F. Normal precipitation for the month is 5.06 in over about 7 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 92°F
- Average low
- 76°F
- Precipitation
- 5.06 in
- Record high
- 107°FAug 28, 2023
- Record low
- 59°FAug 31, 2018
- Chance of a freeze
- 0%
- Days of 90°F or more
- 25.1
- Daylight
- 13 h 30 min to 12 h 45 min
- Cloud cover
- 47%
- Humidity
- 76%
- Dew point
- 75°F
- Wind
- 7.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 92°F | 76°F | 100°F 1962 | 68°F 1972 | 23% | 0% |
| Aug 2 | 92°F | 76°F | 99°F 2023 | 68°F 1973 | 23% | 0% |
| Aug 3 | 92°F | 76°F | 99°F 2023 | 65°F 1976 | 23% | 0% |
| Aug 4 | 92°F | 76°F | 99°F 1958 | 67°F 1973 | 23% | 0% |
| Aug 5 | 92°F | 76°F | 100°F 1951 | 65°F 1974 | 23% | 0% |
| Aug 6 | 92°F | 76°F | 101°F 1964 | 66°F 1976 | 23% | 0% |
| Aug 7 | 92°F | 76°F | 99°F 1951 | 67°F 1970 | 23% | 0% |
| Aug 8 | 92°F | 76°F | 99°F 1954 | 65°F 1989 | 23% | 0% |
| Aug 9 | 92°F | 76°F | 103°F 1998 | 63°F 1989 | 23% | 0% |
| Aug 10 | 92°F | 76°F | 104°F 1962 | 65°F 1989 | 23% | 0% |
| Aug 11 | 92°F | 76°F | 104°F 1962 | 66°F 1989 | 23% | 0% |
| Aug 12 | 92°F | 76°F | 101°F 2015 | 64°F 1967 | 23% | 0% |
| Aug 13 | 92°F | 76°F | 101°F 1962 | 65°F 1965 | 23% | 0% |
| Aug 14 | 92°F | 76°F | 105°F 1962 | 68°F 1973 | 23% | 0% |
| Aug 15 | 92°F | 76°F | 100°F 1953 | 61°F 1972 | 23% | 0% |
| Aug 16 | 92°F | 76°F | 105°F 2023 | 62°F 1975 | 23% | 0% |
| Aug 17 | 92°F | 76°F | 103°F 2023 | 62°F 1992 | 23% | 0% |
| Aug 18 | 92°F | 76°F | 101°F 2000 | 66°F 1963 | 24% | 0% |
| Aug 19 | 92°F | 76°F | 101°F 1957 | 66°F 1973 | 24% | 0% |
| Aug 20 | 92°F | 76°F | 101°F 1986 | 66°F 1973 | 24% | 0% |
| Aug 21 | 92°F | 76°F | 103°F 2023 | 67°F 1976 | 24% | 0% |
| Aug 22 | 91°F | 76°F | 101°F 1948 | 65°F 1946 | 24% | 0% |
| Aug 23 | 91°F | 76°F | 99°F 1980 | 64°F 1949 | 25% | 0% |
| Aug 24 | 91°F | 76°F | 101°F 1980 | 64°F 1961 | 25% | 0% |
| Aug 25 | 91°F | 76°F | 103°F 2023 | 64°F 1949 | 25% | 0% |
| Aug 26 | 91°F | 76°F | 100°F 2023 | 64°F 1966 | 25% | 0% |
| Aug 27 | 91°F | 76°F | 100°F 1957 | 65°F 1975 | 25% | 0% |
| Aug 28 | 91°F | 76°F | 107°F 2023 | 61°F 1992 | 26% | 0% |
| Aug 29 | 91°F | 76°F | 105°F 2023 | 63°F 1992 | 26% | 0% |
| Aug 30 | 91°F | 76°F | 104°F 2023 | 64°F 1950 | 26% | 0% |
| Aug 31 | 90°F | 76°F | 104°F 1954 | 59°F 2018 | 26% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 6:44 AM, sunset 8:14 PM
- August 31
- sunrise 7:00 AM, sunset 7:45 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410257 (Angleton 2 W), public domain. Records: NOAA GHCN-Daily, station USC00410569, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.