Is this weather normal in Columbia County?

Oregon · county records since 1895, through September 2026.

Weather › Oregon › Columbia County

Columbia County is in severe drought: NOAA's Palmer reading for September was -3.5. Columbia County has warmed about 0.4° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 55°, lows near 40°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -0.8°OctNov: +3.1°NovDec: +5.5°DecJan 2026: +1.0°JanFeb: +0.8°FebMar: +1.4°MarApr: +2.3°AprMay: +1.9°MayJun: +1.9°JunJul: 0.0°JulAug: +1.0°AugSep: -2.3°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: +0.9 inOctNov: -2.0 inNovDec: +3.3 inDecJan 2026: -3.9 inJanFeb: -1.5 inFebMar: +0.4 inMarApr: -0.9 inAprMay: -1.1 inMayJun: -0.3 inJunJul: -0.2 inJulAug: -0.7 inAugSep: -0.7 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 Columbia County

MonthUsual high / lowUsual rainWarmestColdest
January45° / 34°8.3 in43.8° 201024.1° 1930
February49° / 34°6.2 in46.8° 201531.6° 1929
March53° / 36°6.3 in49.5° 193437.8° 1955
April58° / 39°4.4 in54.5° 192642.6° 1955
May65° / 44°2.9 in58.7° 202348.2° 1899
June70° / 48°1.9 in64.1° 202154.1° 1901
July77° / 52°0.6 in68.2° 201558.8° 1901
August78° / 53°0.8 in69.6° 202358.6° 1899
September72° / 49°2.1 in63.7° 202053.3° 1895
October61° / 43°5.0 in56.8° 202246.8° 1919
November50° / 37°8.8 in48.6° 189934.9° 1985
December44° / 34°9.7 in44.4° 191730.4° 1919

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

Towns in Columbia County

Crime Radar: St. Helens, Scappoose

Nearby counties