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Modoc County, CA

An ordinary day in Modoc County, CA: was cooler than 47 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
68.8°F
Coldest since 2023
29th coldest of 76
Low
37.8°F
Coldest since 2023
34th coldest of 76

No measurable precipitation in the county average of Modoc County, CA for 11 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Modoc County, CA since 1951: 68.8°F in 2026; the highest is 88.4°F, in 2010.
2023: 64°F2010: 88.4°F2026: 68.8°F 2026 68.8°F 2010 88.4°F since 2023 1951 2026
  • Normal range, 59.9 to 84.4°F
Every year as a table

Every 29 September low of the county average in Modoc County, CA since 1951: 37.8°F in 2026; the lowest is 27.1°F, in 1961.

YearHigh, °FLow, °F
202668.837.8
202574.845.4
202484.848
20236431
202274.843.8
202151.729.2
20208042.8
201947.727.7
201881.944.3
201774.940.5
20168446.2
201578.941.9
201460.941.5
201360.237.9
201280.346.3
201182.542
201088.446.2
20097839.7
20088544.1
200756.327.6
20068340.7
200577.837.2
200480.341.4
200387.446.7
200267.232.7
200167.536.9
200074.442
199967.732.3
199871.337.6
199775.438.9
199681.942.7
199557.136.2
199467.344.7
19938441.6
199284.342.2
199176.741.4
199076.442.5
198976.247.2
198873.136.3
198778.937.1
198655.630
198565.528.9
198475.432.8
198365.734.9
198254.232.1
198156.933.8
198073.439.2
197977.540
197875.535.2
197758.845.2
19767446.4
197577.538.5
197475.235.5
197377.539.6
197262.833.4
197149.534.2
197082.734.3
196974.544.3
196872.836.9
196784.349.6
19668242.1
196559.629
196474.937.2
196385.245.1
196256.937.7
196166.227.1
196079.940.9
195952.329.3
195880.340.8
195765.742.7
195670.835.9
195565.230.1
195463.228.7
195365.237.3
195279.142.4
195165.244.9

The month

September 2026 so far averaged 56.2°F in Modoc County, CA, the coldest 1 to 29 September in the county average since 2019, 17th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).

The month in words
  • August 2026 averaged 69°F in Modoc County, CA, the warmest August in the county average since 2022, 4th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).
  • Tuesday 29 September 2026: a high of 68.8°F averaged over Modoc County, CA, the coldest 29 September day in the county average since 2023, 29th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 37.8°F averaged over Modoc County, CA, the coldest 29 September night in the county average since 2023, 34th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Alturas, CA 11.1 mi, the nearest city with its own station