Mercer County Weather in August
Average highs run from 79°F on August 1 to 77°F on August 31, and lows from 62°F to 59°F. Normal precipitation for the month is 3.14 in over about 11 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
- 78°F
- Average low
- 61°F
- Precipitation
- 3.14 in
- Record high
- 95°FAug 16, 2007
- Record low
- 39°FAug 29, 1986
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.7
- Daylight
- 14 h 03 min to 13 h 01 min
- Cloud cover
- 61%
- Humidity
- 73%
- Dew point
- 60°F
- Wind
- 3.4 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 | 79°F | 62°F | 90°F 1995 | 54°F 2023 | 43% | 0% |
| Aug 2 | 79°F | 62°F | 92°F 1988 | 53°F 1976 | 42% | 0% |
| Aug 3 | 79°F | 62°F | 89°F 1987 | 49°F 1976 | 42% | 0% |
| Aug 4 | 79°F | 62°F | 90°F 1995 | 53°F 1965 | 42% | 0% |
| Aug 5 | 79°F | 62°F | 89°F 1988 | 53°F 1966 | 42% | 0% |
| Aug 6 | 78°F | 62°F | 88°F 1987 | 50°F 1997 | 41% | 0% |
| Aug 7 | 78°F | 62°F | 88°F 2007 | 49°F 1997 | 41% | 0% |
| Aug 8 | 78°F | 62°F | 91°F 2007 | 48°F 1989 | 41% | 0% |
| Aug 9 | 78°F | 61°F | 92°F 2007 | 46°F 1989 | 41% | 0% |
| Aug 10 | 78°F | 61°F | 91°F 1988 | 50°F 1989 | 40% | 0% |
| Aug 11 | 78°F | 61°F | 91°F 1988 | 48°F 1962 | 40% | 0% |
| Aug 12 | 78°F | 61°F | 88°F 2005 | 49°F 1967 | 40% | 0% |
| Aug 13 | 78°F | 61°F | 91°F 2010 | 48°F 1979 | 39% | 0% |
| Aug 14 | 78°F | 61°F | 91°F 1988 | 48°F 1964 | 39% | 0% |
| Aug 15 | 78°F | 61°F | 91°F 1988 | 46°F 1964 | 38% | 0% |
| Aug 16 | 78°F | 61°F | 95°F 2007 | 45°F 1979 | 38% | 0% |
| Aug 17 | 78°F | 61°F | 95°F 1988 | 52°F 1979 | 38% | 0% |
| Aug 18 | 78°F | 61°F | 93°F 1988 | 53°F 1976 | 37% | 0% |
| Aug 19 | 78°F | 61°F | 91°F 2007 | 50°F 2023 | 37% | 0% |
| Aug 20 | 78°F | 61°F | 91°F 1983 | 49°F 2024 | 36% | 0% |
| Aug 21 | 78°F | 60°F | 93°F 1983 | 45°F 2024 | 36% | 0% |
| Aug 22 | 78°F | 60°F | 92°F 1983 | 46°F 2024 | 35% | 0% |
| Aug 23 | 78°F | 60°F | 94°F 2007 | 49°F 2018 | 35% | 0% |
| Aug 24 | 78°F | 60°F | 95°F 2007 | 49°F 1997 | 35% | 0% |
| Aug 25 | 77°F | 60°F | 92°F 2007 | 51°F 1986 | 34% | 0% |
| Aug 26 | 77°F | 60°F | 87°F 1993 | 48°F 2025 | 34% | 0% |
| Aug 27 | 77°F | 60°F | 88°F 1988 | 45°F 1968 | 34% | 0% |
| Aug 28 | 77°F | 59°F | 89°F 2007 | 44°F 1986 | 33% | 0% |
| Aug 29 | 77°F | 59°F | 91°F 1991 | 39°F 1986 | 33% | 0% |
| Aug 30 | 77°F | 59°F | 90°F 1993 | 48°F 1986 | 33% | 0% |
| Aug 31 | 77°F | 59°F | 88°F 1995 | 47°F 1976 | 33% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- August 1
- sunrise 6:29 AM, sunset 8:32 PM
- August 31
- sunrise 6:54 AM, sunset 7:55 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003859 (Bluefield Mercer CO AP), public domain. Records: NOAA GHCN-Daily, station USW00003859, 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.