Is this weather normal in Harrison County?

Missouri · county records since 1895, through September 2026.

Weather › Missouri › Harrison County

Harrison County just had its 2nd-warmest September in 132 years, +7° against the usual. 11 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 58°, lows near 36°

That is the 1991 to 2020 average for these dates in Harrison County. The Weather Service forecast fills in below.

Loading the forecast...

usual high for the datewarmercooler

The last 12 months

Oct: +6.6°OctNov: +2.5°NovDec: +0.4°DecJan 2026: -0.6°JanFeb: +7.9°FebMar: +7.1°MarApr: +5.5°AprMay: +1.1°MayJun: +0.5°JunJul: +2.6°JulAug: +1.4°AugSep: +6.9°Sepwarmercooler

Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1895.

Every year since 1895

18952025

Rain and drought

Oct: +0.2 inOctNov: -1.0 inNovDec: -0.5 inDecJan 2026: +0.0 inJanFeb: -1.3 inFebMar: -0.9 inMarApr: +2.6 inAprMay: +0.5 inMayJun: +3.0 inJunJul: -1.6 inJulAug: -0.9 inAugSep: +4.1 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in Harrison County

MonthUsual high / lowUsual rainWarmestColdest
January34° / 16°1.0 in36.2° 20067.0° 1940
February39° / 20°1.4 in42.0° 202410.8° 1936
March52° / 30°2.3 in55.8° 201224.0° 1960
April63° / 41°3.9 in59.2° 198143.6° 2018
May73° / 52°5.4 in71.5° 201855.5° 1907
June82° / 62°5.2 in79.2° 193465.3° 1903
July86° / 66°4.6 in84.8° 193669.8° 1950
August85° / 63°4.1 in83.0° 193667.5° 1915
September78° / 55°3.9 in73.3° 189759.3° 1993
October65° / 42°3.0 in65.4° 196342.1° 1925
November51° / 31°2.1 in50.0° 200132.1° 1991
December38° / 21°1.6 in38.6° 202311.2° 1983

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in Harrison County

Crime Radar: Bethany

Nearby counties