Cincinnati, OH

Ohio · Records since 1872–2026

☀️ 83°F
Currently in Cincinnati
As of 2:30 PM EDT

Records for September 7

🔥 Record High

99°F

September 7, 1939

+17° from 82° normal

❄ Record Low

41°F

September 7, 1988

-19° from 60° normal
🌞 Normal high: 82°F 🌑 Normal low: 60°F 1991–2020 normals

All-Time Records — Cincinnati

🔥
108°F
Hottest Day Ever
Jul 22, 1934
❄
-25°F
Coldest Day Ever
Jan 18, 1977
🌧
5.21"
Wettest Day Ever
Mar 9, 1964
☃
11.8"
Most Snow in One Day
Feb 4, 1998

Top 10 Record Highs — September 7

# Temp Date
🏆 99°F September 7, 1939
2 97°F September 7, 1899
3 95°F September 7, 2002
4 95°F September 7, 1964
5 95°F September 7, 1945
6 95°F September 7, 1912
7 94°F September 7, 2010
8 93°F September 7, 1959
9 93°F September 7, 1946
10 93°F September 7, 1933

Top 5 Record Lows — September 7

# Temp Date
🥶 41°F September 7, 1988
2 44°F September 7, 2017
3 44°F September 7, 1962
4 46°F September 7, 1963
5 46°F September 7, 1956
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1872–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Cincinnati

threshold: 92°F (90th percentile of historical Jun–Aug highs)
4.5
Avg heat wave length
days (historical)
96°
Avg peak temp
during heat waves
34
Dangerous nights 2026
Overnights ≥ 70°F
2
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

122 of 249 days with data were above the 1991–2020 normal high for their date.

Days ≥ 90°F Per Year

1872–2026
19
2026 so far
25
Avg/year 1970–2025
25
Avg/year (last 10 complete)
64
Most in a year (1936)

Average Daily High by Decade

Full year · complete decades only

Longest Heat Waves — Cincinnati

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 12, 1983 – Jul 24, 1983 13 101°F (Jul 23) 96°F 72°F
2 Jun 22, 1966 – Jul 4, 1966 13 97°F (Jul 2) 94°F 68°F
3 Jul 3, 1881 – Jul 14, 1881 12 104°F (Jul 10) 98°F 78°F
4 Aug 23, 1953 – Sep 3, 1953 12 102°F (Sep 1) 97°F 66°F
5 Jul 20, 1940 – Jul 31, 1940 12 101°F (Jul 30) 96°F 74°F
6 Jul 20, 1901 – Jul 30, 1901 11 105°F (Jul 22) 98°F 74°F
7 Jun 28, 2012 – Jul 8, 2012 11 104°F (Jul 6) 99°F 70°F
8 Aug 4, 1918 – Aug 14, 1918 11 101°F (Aug 6) 96°F 75°F
9 Jul 18, 1934 – Jul 27, 1934 10 108°F (Jul 21) 102°F 74°F
10 Jul 6, 1936 – Jul 15, 1936 10 106°F (Jul 14) 102°F 74°F

Heat Waves Per Year

Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

58
2026 total
above-normal nights
45.5
Avg / summer
1970–2020
78
Most in a summer
1872

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

33.97"
2026 YTD
Normal: 32.42"
+1.55"
0.24"
September so far
September normal: 3.11"
-2.87"
9
2026 heavy rain days
Days with ≥ 1.0"

2026 Accumulation vs. Normal

Running total since Jan 1 against the normal pace for the same date · Cincinnati is 1.55" ahead of the normal pace

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1871–2026)

Blue = above average · tan = below average · gold = 2026 (partial)
Since 1871, annual totals have trended +0.55" per decade, about +8.5" across the record.

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

Month in Review — August 2026

75.4°F

Average temperature · August 2026

177th-warmest month on record

59th-warmest August of 155 on record

+0.5° vs. 74.9° average (1991–2020)
82.3°F
Warmest month ever
July 1901
81.6°F
Warmest August ever
2007
4
Days ≥ 90°F
in August
97°F
Hottest of 2026
Sep 4

Longest 90°F Streak in August

2 consecutive days with highs of at least 90°F (Aug 30–31, 2026, peaking at 92°F)

The longest August streak since 2024 (2 years). The August record is 13 days, set in 2007.

Average August Temperature by Year

1872–2026 · 2026 highlighted

Precipitation — August 2026

Month total against the 1991–2020 average and every other August on record

3.73"
Total precipitation
August 2026
+0.30"
vs. average
Normal: 3.43" · 109% of normal
58th-wettest
August rank
of 156 on record
11.72"
Wettest August ever
1879 · driest 0.26" (1889)

August Precipitation by Year

1871–2026 · 2026 highlighted · trend +0.01" per decade (wetter since 1871)

Wettest Augusts on Record

# Year Total
1 1879 11.72"
2 2018 8.21"
3 2022 7.91"
4 1888 7.80"
5 1982 7.71"
6 1926 6.52"
7 1876 6.38"
8 2005 6.34"
9 1920 6.10"
10 1954 6.10"

Driest Augusts on Record

# Year Total
1 1889 0.26"
2 1953 0.31"
3 1904 0.41"
4 2007 0.55"
5 1902 0.65"
6 1996 0.76"
7 1881 0.76"
8 1967 0.77"
9 1955 0.86"
10 1893 0.86"

Warmest Augusts on Record

# Year Avg Temp
1 2007 81.6°F
2 1881 80.1°F
3 1936 80.1°F
4 1900 80.0°F
5 1947 79.8°F
6 1995 79.5°F
7 1918 78.6°F
8 1872 78.6°F
9 1959 78.5°F
10 1906 78.3°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 July 1901 82.3°F
2 July 1934 82.2°F
3 July 1878 81.9°F
4 July 1936 81.7°F
5 August 2007 81.6°F
6 July 1881 81.5°F
7 July 2012 81.2°F
8 July 1879 81.1°F
9 July 1887 81.0°F
10 July 2011 80.9°F

Nearby Stations — August 2026

How the same month ranked at the closest reporting stations

Station Avg Temp August Rank
Cincinnati, OH 75.4°F 59th of 155
Wilmington, OH 73.2°F 38th of 109
Dayton, OH 73.3°F 69th of 133
Lexington, KY 76.1°F 40th of 142
Louisville, KY 79.1°F 27th of 155
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 1,850 complete months on record. Precipitation totals sum the daily reports for the month, with trace amounts counted as zero. A month missing any day of precipitation data is left out entirely (an unreported day is unreported rain), so the precipitation ranking covers 156 complete Augusts. Normals are the 1991–2020 mean for the same calendar month. Trend lines are a least-squares fit across every year shown.

Fall in Review — Fall 2026

September 1 – November 30, 2026

Fall 2026 is still under way. Season totals and rankings appear once November closes; the markers below update as they happen.

Summer to Winter — 2026

Each turning point of the season against its 1991–2020 normal date, with the earliest and latest on record

Marker 2026 Normal vs. normal Earliest Latest Drift
Last 90°F day
The final day of summer heat
 Sep 5
so far
 Sep 4 Jul 1, 1882 Oct 9, 1939 +0.1 d/decade
Last 80°F day
The last genuinely warm afternoon
 Sep 6
so far
 Oct 11 Sep 10, 1876 Nov 17, 1958 +0.3 d/decade
First high below 50°F
The first afternoon that stays cold
 not yet Oct 29 Sep 30, 1924 Nov 26, 1902 +0.2 d/decade
First 32°F freeze
Growing season over
 not yet Oct 21 Sep 28, 1942 Nov 27, 1902 -0.7 d/decade
First 28°F hard freeze
Cold enough to end tender growth
 not yet Nov 2 Oct 3, 1974 Dec 1, 1902 -0.9 d/decade
First 20°F night
Winter cold arriving
 not yet Nov 27 Oct 21, 1952 Dec 31, 1939 -0.4 d/decade
First measurable snow
0.1" or more in a day
 not yet Nov 28 Oct 19, 1989 Dec 29, 1998 -0.1 d/decade

Drift is a least-squares fit across every year on record. Positive means the marker has been arriving later.

First Freeze by Year

The first 32°F night of each autumn since 1872 · trending -0.7 days earlier per decade

181
Normal length
1991–2020 average
250
Longest on record
1946
137
Shortest on record
1925

Growing Season Length by Year

Days between the last spring freeze and the first fall freeze · trending -1.8 days shorter per decade

Fall Average Temperature by Year

1872–2025 · 2026 highlighted

Fall Precipitation by Year

1871–2025 · 2026 highlighted · trend +0.16" per decade (wetter since 1871)

About this data. Fall is meteorological autumn, September 1 through November 30, the window NOAA uses for seasonal statistics. Seasonal temperature is the day-weighted mean of the three monthly means; precipitation is their sum, and a season missing any of the three months is left out of the rankings. Freeze, heat and snow markers come from daily NOAA Threadex observations via RCC ACIS: freezes and snow are the first occurrence on or after July 1, and the last 90°F and 80°F days are the final ones anywhere in the calendar year. Growing season counts the freeze-free days between the last spring 32°F and the first fall 32°F.
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