Is this weather normal in Cook County?

Minnesota · county records since 1895, through September 2026.

Weather › Minnesota › Cook County

Cook County has warmed about 0.4° per decade since 1970. Cook County just had its 10th-warmest September in 132 years, +3° against the usual.

This week

Usual for Oct 28 to Nov 3: highs near 41°, lows near 26°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +5.1°OctNov: +2.3°NovDec: -4.7°DecJan 2026: -4.0°JanFeb: +3.3°FebMar: -1.1°MarApr: -1.4°AprMay: -1.9°MayJun: -0.3°JunJul: +3.5°JulAug: -0.5°AugSep: +2.9°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: -1.6 inOctNov: -1.3 inNovDec: -0.2 inDecJan 2026: +0.6 inJanFeb: +0.6 inFebMar: +0.4 inMarApr: +3.7 inAprMay: -1.3 inMayJun: -1.1 inJunJul: -0.6 inJulAug: -1.0 inAugSep: -1.2 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 Cook County

MonthUsual high / lowUsual rainWarmestColdest
January17° / -2°1.3 in20.1° 2006-12.0° 1912
February22° / 0°1.1 in24.8° 1998-5.0° 1914
March34° / 11°1.4 in34.3° 20125.1° 1899
April46° / 24°2.3 in43.2° 198726.1° 1950
May60° / 36°3.1 in54.4° 197738.6° 1907
June69° / 46°3.9 in62.2° 191050.5° 1969
July74° / 51°3.9 in68.1° 191655.8° 1992
August73° / 50°3.0 in65.7° 198354.2° 1903
September64° / 43°3.4 in59.8° 202445.8° 1965
October49° / 32°3.1 in51.4° 196332.0° 1917
November34° / 19°2.1 in35.7° 201615.1° 1896
December22° / 6°1.7 in26.6° 2023-0.2° 1917

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

Towns in Cook County

Nearby counties