Is this weather normal in Grainger County?

Tennessee · county records since 1895, through September 2026.

Weather › Tennessee › Grainger County

Grainger County just had its 3rd-warmest September in 132 years, +6° against the usual. Grainger County has warmed about 0.5° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 65°, lows near 40°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +1.1°OctNov: +2.1°NovDec: +1.1°DecJan 2026: -1.0°JanFeb: -0.8°FebMar: +7.7°MarApr: +5.6°AprMay: 0.0°MayJun: +0.5°JunJul: +2.3°JulAug: +1.5°AugSep: +5.5°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: +0.4 inOctNov: -0.9 inNovDec: -2.7 inDecJan 2026: -0.5 inJanFeb: -0.3 inFebMar: -1.9 inMarApr: -1.3 inAprMay: +0.2 inMayJun: +0.5 inJunJul: +0.1 inJulAug: +0.5 inAugSep: -2.0 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 Grainger County

MonthUsual high / lowUsual rainWarmestColdest
January46° / 27°4.4 in49.1° 195022.9° 1977
February51° / 30°4.6 in48.2° 192727.6° 1895
March60° / 37°5.0 in57.8° 201234.0° 1960
April70° / 44°4.5 in62.7° 202650.3° 1907
May77° / 53°3.8 in70.9° 196259.0° 1917
June84° / 62°4.5 in78.6° 195267.4° 1972
July87° / 66°4.5 in80.0° 202570.6° 1967
August86° / 65°3.5 in79.8° 200771.1° 1967
September81° / 58°3.6 in77.4° 192563.4° 1967
October71° / 46°3.2 in66.9° 191950.4° 1988
November59° / 35°3.8 in55.8° 198538.9° 1976
December49° / 30°5.1 in50.1° 201528.6° 1963

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

Towns in Grainger County

Nearby counties