Is this weather normal in Linn County?

Iowa · county records since 1895, through September 2026.

Weather › Iowa › Linn County

10 of the last 12 months ran warmer than usual in Linn County. 9.4 inches fell in September, the 5th-most for a September there in 132 years.

This week

Usual for Oct 28 to Nov 3: highs near 54°, lows near 34°

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

Loading the forecast...

usual high for the datewarmercooler

The last 12 months

Oct: +6.0°OctNov: +2.5°NovDec: -2.9°DecJan 2026: -1.1°JanFeb: +6.4°FebMar: +6.3°MarApr: +4.7°AprMay: +0.6°MayJun: +0.3°JunJul: +2.9°JulAug: +1.4°AugSep: +4.3°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: -1.5 inOctNov: -0.5 inNovDec: -0.5 inDecJan 2026: -0.3 inJanFeb: -0.7 inFebMar: +0.2 inMarApr: +3.8 inAprMay: -2.7 inMayJun: +2.7 inJunJul: +1.2 inJulAug: +0.5 inAugSep: +5.8 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 Linn County

MonthUsual high / lowUsual rainWarmestColdest
January27° / 11°1.1 in32.2° 20061.3° 1912
February32° / 15°1.3 in36.3° 20245.5° 1936
March46° / 27°2.1 in51.8° 201219.9° 1960
April60° / 37°3.9 in55.6° 191539.8° 2018
May71° / 49°4.5 in67.6° 189651.6° 1907
June80° / 59°5.7 in76.4° 193463.4° 1916
July84° / 63°4.4 in81.0° 190167.2° 2009
August82° / 60°4.3 in79.1° 194765.0° 1915
September75° / 52°3.7 in69.1° 193156.4° 1918
October62° / 40°3.0 in61.4° 196339.6° 1925
November46° / 28°2.1 in48.0° 200127.2° 1911
December33° / 17°1.6 in34.9° 201510.2° 1983

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

Towns in Linn County

Crime Radar: Cedar Rapids, Marion, Robins, Hiawatha, Mount Vernon

Nearby counties