Is this weather normal in Clackamas County?

Oregon · county records since 1895, through September 2026.

Weather › Oregon › Clackamas County

Clackamas County is in severe drought: NOAA's Palmer reading for September was -3.3. 10 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 52°, lows near 38°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -2.0°OctNov: +3.4°NovDec: +5.7°DecJan 2026: +2.2°JanFeb: +1.8°FebMar: +2.9°MarApr: +2.7°AprMay: +3.2°MayJun: +2.0°JunJul: +0.8°JulAug: +1.2°AugSep: -3.1°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: -2.7 inNovDec: +5.9 inDecJan 2026: -5.6 inJanFeb: -0.2 inFebMar: +0.3 inMarApr: -1.6 inAprMay: -2.1 inMayJun: -0.6 inJunJul: -0.6 inJulAug: -0.9 inAugSep: +0.1 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 Clackamas County

MonthUsual high / lowUsual rainWarmestColdest
January43° / 32°10.4 in41.9° 201522.2° 1930
February45° / 32°7.8 in44.8° 199129.3° 1936
March50° / 34°8.6 in47.8° 193434.5° 1897
April54° / 36°6.7 in52.2° 193439.9° 1955
May62° / 42°4.7 in57.7° 199245.7° 1899
June67° / 46°3.2 in64.0° 201552.5° 1953
July76° / 51°0.7 in67.6° 190656.4° 1993
August77° / 52°0.9 in68.4° 201756.2° 1899
September71° / 48°2.6 in62.5° 197452.0° 1895
October58° / 41°6.9 in55.8° 198844.4° 1949
November47° / 35°10.7 in45.7° 201631.7° 1985
December41° / 31°11.7 in42.6° 191728.0° 1919

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

Towns in Clackamas County

Nearby counties