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Clark County, MO

: September 2026 so far averaged 72.9°F in Clark County, MO, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

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

High
78.1°F
Warmest since 2025
22nd warmest of 76
Low
52.2°F
Warmest since 2025
28th warmest of 76

No measurable precipitation in the county average of Clark County, MO for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Clark County, MO since 1951: 78.1°F in 2026; the highest is 98.8°F, in 1953.
2025: 87.2°F1953: 98.8°F2026: 78.1°F 2026 78.1°F 1953 98.8°F since 2025 1951 2026
  • Normal range, 60.8 to 81.6°F
Every year as a table

Every 29 September low of the county average in Clark County, MO since 1951: 52.2°F in 2026; the lowest is 32.6°F, in 1984.

YearHigh, °FLow, °F
202678.152.2
202587.256.7
202481.458.1
202377.656.7
202263.339.1
202186.258.8
202063.947
20196961.5
201858.946.5
201774.346.4
201664.149.9
201581.959.4
201482.956.5
201373.646.8
201271.942.8
201172.854.5
201073.749.1
200964.547.3
200877.859.9
200778.650.2
200662.743.7
200566.839.9
200469.942.4
200358.136.1
200281.653.5
200168.344.6
200075.150.2
19995745.2
199881.862.8
199777.253.6
199668.945.6
199578.850.9
199472.245.5
199367.339.5
19926139.8
19917445.4
199076.254.2
198975.541.7
198878.661.1
19877655.6
198684.165
198566.850.5
198454.732.6
19838457.1
19828058.6
198170.344.9
198074.746.8
197985.253.7
197869.143.8
197772.249.3
197663.751.5
197565.548.9
197468.141
197376.759.7
197273.743.7
197188.264.8
197074.444.1
196978.252
196872.350.8
196758.134.1
196668.150.3
196577.155.1
196465.938.7
196377.146.6
196269.339.3
196165.539.1
196071.847.8
195967.746.9
195870.444.3
195769.635.9
195684.655.5
195580.456.8
195482.462.6
195398.863.4
195288.156.6
195160.436.7

The month

August 2026 averaged 74.8°F in Clark County, MO, the warmest August in the county average since 2022, tied 57th warmest of 132 (with 1973) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 78.1°F averaged over Clark County, MO, the warmest 29 September in the county average since 2025, 22nd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 52.2°F averaged over Clark County, MO, the warmest 29 September night in the county average since 2025, 28th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Burlington, IA 40.5 mi, the nearest city with its own station