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Harrison County, TX

: September 2026 so far averaged 83.9°F in Harrison County, TX, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

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

High
93.5°F
Warmest since 2023
6th warmest of 76
Low
67.2°F
Warmest since 2019
13th warmest of 76

No measurable precipitation in the county average of Harrison County, TX for 23 days to Tuesday 29 September 2026, the longest such spell in the county average since 2025 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Harrison County, TX since 1951: 67.2°F in 2026; the lowest is 39.4°F, in 1967.
2019: 72.1°F1967: 39.4°F2026: 67.2°F 2026 67.2°F 1967 39.4°F since 2019 1951 2026
  • Normal range, 50.1 to 68.4°F
Every year as a table

Every 29 September high of the county average in Harrison County, TX since 1951: 93.5°F in 2026; the highest is 100.8°F, in 1953.

YearHigh, °FLow, °F
202693.567.2
202585.560.5
202487.461.5
202393.966.6
20228553.7
202189.466.5
202077.549.6
201991.172.1
201876.763.4
201789.265.8
201685.656.5
201586.267.4
201485.964.3
201388.469.8
201287.265.9
201194.662
201084.753.4
200983.853.7
200884.656.2
200788.361.4
20068050.5
200593.368.2
200484.957.2
200381.652.4
200289.762.5
200180.551.7
20008249.6
199988.760
199892.872.4
199789.159
199672.146.8
199588.863.5
199494.661.5
199385.552.6
199278.455.3
199178.450.2
199089.362
198973.461.3
19888960.3
198786.365.4
198690.472.7
198583.554.8
198463.853.6
198385.757.5
198288.461.3
19819166
198070.958.8
197985.960.5
197878.361.9
197789.773.2
197672.758.6
197581.851
197481.649
197381.555.2
197286.470.8
197189.968.3
197076.950.4
196990.655.1
196883.856.8
19677039.4
196678.857.9
196582.260.7
196464.756.7
196379.759.8
196281.853.6
196185.662.7
196082.557.1
195990.269.2
195877.550.8
195778.454.9
195696.557.9
195593.471.2
195493.272
1953100.865
195291.856
195178.454

The month

August 2026 averaged 87.2°F in Harrison County, TX, the warmest August in the county average since 2023, 6th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 93.5°F averaged over Harrison County, TX, the warmest 29 September in the county average since 2023, 6th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 67.2°F averaged over Harrison County, TX, the warmest 29 September night in the county average since 2019, 13th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Longview, TX 22.6 mi, the nearest city with its own station