Is this weather normal in Lake County?

California · county records since 1895, through September 2026.

Weather › California › Lake County

10 of the last 12 months ran warmer than usual in Lake County. Lake County has warmed about 0.4° per decade since 1970.

This week

Usual for Oct 28 to Nov 3: highs near 66°, lows near 44°

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

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usual high for the datewarmercooler

The last 12 months

Oct: -2.6°OctNov: +3.0°NovDec: +5.7°DecJan 2026: +4.3°JanFeb: +2.4°FebMar: +11.4°MarApr: +0.3°AprMay: +2.0°MayJun: +2.4°JunJul: +0.4°JulAug: +1.8°AugSep: -3.3°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: +0.2 inOctNov: +1.7 inNovDec: +1.5 inDecJan 2026: -3.2 inJanFeb: -0.3 inFebMar: -6.5 inMarApr: +2.1 inAprMay: -1.0 inMayJun: -0.4 inJunJul: +0.0 inJulAug: -0.1 inAugSep: +0.0 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 Lake County

MonthUsual high / lowUsual rainWarmestColdest
January53° / 36°9.2 in52.4° 201434.3° 1937
February55° / 37°8.4 in52.9° 201539.0° 2019
March59° / 38°6.6 in60.2° 202640.8° 2006
April64° / 41°3.1 in57.0° 201341.4° 1967
May72° / 47°1.8 in67.1° 200150.6° 1998
June81° / 53°0.5 in73.0° 201560.9° 1923
July89° / 59°0.0 in80.6° 202468.6° 1987
August89° / 58°0.1 in77.6° 201768.2° 1976
September84° / 54°0.2 in72.6° 202062.2° 1925
October73° / 47°2.0 in67.5° 202054.3° 1912
November60° / 40°4.6 in54.9° 199542.0° 1994
December53° / 36°9.5 in49.9° 202537.8° 1932

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

Towns in Lake County

Crime Radar: Clearlake, Lakeport

Nearby counties