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Clark County, OH

: September 2026 so far averaged 69.6°F in Clark County, OH, the warmest 1 to 29 September in the county average since 2019, 3rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
74.8°F
Warmest since 2025
29th warmest of 76
Low
46.3°F
Coldest since 2022
33rd coldest of 76

No measurable precipitation in the county average of Clark County, OH for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Clark County, OH since 1951: 46.3°F in 2026; the lowest is 32.7°F, in 1951.
2022: 42.7°F1951: 32.7°F2026: 46.3°F 2026 46.3°F 1951 32.7°F since 2022 1951 2026
  • Normal range, 41.1 to 52.8°F
Every year as a table

Every 29 September high of the county average in Clark County, OH since 1951: 74.8°F in 2026; the highest is 92.2°F, in 1953.

YearHigh, °FLow, °F
202674.846.3
202587.555.3
202468.464.1
20237160.9
202257.942.7
202179.250.8
202072.247
201987.163.6
201871.645.5
201771.245.6
201659.150.3
201581.260.7
201481.651.7
20137849.8
20126747.4
201162.850.1
201061.846.3
200961.150.9
200877.751.8
200774.245.1
200659.543.9
200577.948.6
200473.549.7
200358.141.4
200272.150.4
200161.241.5
200065.637.6
199983.959.1
199877.452.1
199776.949.9
199664.744.3
199580.347.6
199466.643.9
199364.138.5
199273.238.3
199165.243.8
199079.457.6
198970.637.6
19887849.7
198780.556.1
198687.667.8
198571.641.7
198458.136.5
198378.946.7
198272.247.8
198163.338.8
198075.245.4
197968.456.3
197868.340.8
197770.442.9
197663.540
197570.339.7
197470.353.8
197382.167.4
197269.356.6
197185.866.8
197061.434.7
196967.337.8
196870.246.2
196747.537.9
19666947.9
196575.548.2
196459.246.5
196370.848.6
196261.935.5
19616734.6
196076.449.7
195981.662.8
195866.839.1
195767.540.4
195676.744.3
195577.351.8
195485.962.9
195392.250.9
195285.152.6
195161.132.7

The month

August 2026 averaged 71.8°F in Clark County, OH, the warmest August in the county average since 2024, tied 61st warmest of 132 (with 1974) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 74.8°F averaged over Clark County, OH, the warmest 29 September in the county average since 2025, 29th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.3°F averaged over Clark County, OH, the coldest 29 September night in the county average since 2022, tied 33rd coldest of 76 (with 2010) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Dayton, OH 23.1 mi, the nearest city with its own station