Is this weather normal in Cowlitz County?

Washington · county records since 1895, through September 2026.

Weather › Washington › Cowlitz County

10 of the last 12 months ran warmer than usual in Cowlitz County. Cowlitz County has warmed about 0.4° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 54°, lows near 39°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -1.3°OctNov: +3.2°NovDec: +5.0°DecJan 2026: +2.8°JanFeb: +1.3°FebMar: +1.4°MarApr: +2.7°AprMay: +2.7°MayJun: +1.9°JunJul: +0.5°JulAug: +1.1°AugSep: -2.7°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: +1.3 inOctNov: -0.5 inNovDec: +6.9 inDecJan 2026: -4.5 inJanFeb: -1.3 inFebMar: +2.1 inMarApr: -1.7 inAprMay: -1.3 inMayJun: -0.3 inJunJul: -0.7 inJulAug: -1.0 inAugSep: -0.8 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 Cowlitz County

MonthUsual high / lowUsual rainWarmestColdest
January44° / 34°11.1 in43.7° 201523.6° 1930
February48° / 33°8.2 in46.4° 201530.9° 1929
March51° / 35°8.6 in49.0° 201536.3° 1955
April57° / 38°6.8 in53.4° 192641.5° 1955
May64° / 43°4.4 in57.5° 202347.2° 1899
June68° / 47°3.2 in64.3° 201553.2° 1901
July76° / 52°0.9 in67.4° 198558.2° 1901
August76° / 52°1.3 in68.7° 202258.0° 1899
September71° / 49°3.2 in62.9° 202252.5° 1895
October59° / 42°7.4 in56.7° 202245.6° 1949
November49° / 37°11.5 in47.5° 189933.0° 1985
December43° / 33°12.0 in43.5° 191730.7° 1919

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

Towns in Cowlitz County

Crime Radar: Longview, Kelso, Kalama, Winlock

Nearby counties