climatesince.com

Hamilton County, OH

: September 2026 so far averaged 72.8°F in Hamilton County, OH, the warmest 1 to 29 September in the county average since 2019, 2nd 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
78.2°F
Warmest since 2025
26th warmest of 76
Low
47.4°F
Coldest since 2022
30th coldest of 76

No measurable precipitation in the county average of Hamilton 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 Hamilton County, OH since 1951: 47.4°F in 2026; the lowest is 35.1°F, in 1951.
2022: 42.5°F1951: 35.1°F2026: 47.4°F 2026 47.4°F 1951 35.1°F since 2022 1951 2026
  • Normal range, 42.6 to 56°F
Every year as a table

Every 29 September high of the county average in Hamilton County, OH since 1951: 78.2°F in 2026; the highest is 93.2°F, in 1953.

YearHigh, °FLow, °F
202678.247.4
202588.357.5
202467.364.9
202374.860.5
202263.342.5
202183.557.2
202069.947.6
201991.966
201871.648.8
201776.147.4
201664.850.5
201581.260.9
201483.654.6
201380.651.6
201268.154.2
201165.251.1
201067.246.9
200964.751.2
200881.153.1
200778.848.7
200662.342.6
200578.750.6
200476.651
200360.543.4
200275.553.5
200163.542.6
200067.142.2
199983.659.5
199882.855.6
199780.251.1
199667.545
199580.848.5
199470.243.8
199364.739
199272.239.7
19917447.2
199082.258.8
198971.640.5
198881.653.4
198781.555.3
198689.168.8
198573.143.1
198461.641.7
198379.649.4
198273.850.2
19816940.4
198075.747.7
197969.957.3
19787242.8
197772.846
197666.645.1
197570.942.7
197472.154.7
197385.568.4
197271.660.9
197186.766
197065.537.8
196971.241.7
196874.648.7
196748.341.6
196670.852
196577.448.5
196457.348.1
196372.247.7
196265.536.5
196170.437.6
196076.653.6
195986.365.5
195868.242.4
195768.442.2
195675.644.7
195580.953.1
195487.662.2
195393.247.1
195285.551.7
195162.435.1

The month

August 2026 averaged 75.1°F in Hamilton County, OH, the warmest August in the county average since 2024, tied 33rd warmest of 132 (with 2011, 2003, 1987 and 1 other year) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 78.2°F averaged over Hamilton County, OH, the warmest 29 September in the county average since 2025, 26th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 47.4°F averaged over Hamilton County, OH, the coldest 29 September night in the county average since 2022, tied 30th coldest of 76 (with 2017) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Cincinnati, OH 12.6 mi, the nearest city with its own station