Is this weather normal in Marion County?

Oregon · county records since 1895, through September 2026.

Weather › Oregon › Marion County

Marion 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 54°, lows near 39°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -1.6°OctNov: +3.1°NovDec: +5.7°DecJan 2026: +0.9°JanFeb: +1.3°FebMar: +3.1°MarApr: +2.8°AprMay: +3.2°MayJun: +2.6°JunJul: +1.2°JulAug: +1.5°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: +0.1 inOctNov: -2.6 inNovDec: +3.0 inDecJan 2026: -5.0 inJanFeb: +0.5 inFebMar: -0.9 inMarApr: -0.9 inAprMay: -2.0 inMayJun: -0.4 inJunJul: -0.4 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 Marion County

MonthUsual high / lowUsual rainWarmestColdest
January44° / 33°9.2 in42.8° 195324.2° 1930
February47° / 33°6.9 in45.9° 199132.2° 1929
March52° / 35°7.5 in49.2° 193436.3° 1897
April56° / 38°5.7 in53.7° 192641.2° 1955
May64° / 43°3.9 in58.3° 199247.2° 1908
June69° / 47°2.5 in65.0° 201553.6° 1953
July78° / 52°0.6 in69.2° 202458.6° 1993
August79° / 52°0.8 in69.1° 201757.5° 1899
September73° / 48°2.3 in63.6° 197453.4° 1895
October60° / 42°5.7 in56.2° 202245.9° 1919
November49° / 36°9.3 in47.2° 199533.9° 1985
December43° / 32°10.6 in43.7° 191730.4° 1919

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

Towns in Marion County

Crime Radar: Woodburn, Silverton, Stayton, Molalla, Mount Angel, Aumsville, Hubbard, Gervais

Nearby counties