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Washington County, MS

: September 2026 so far averaged 83.1°F in Washington County, MS, 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
90.8°F
Warmest since 2019
8th warmest of 76
Low
61.7°F
Warmest since 2024
24th warmest of 76

No measurable precipitation in the county average of Washington County, MS for 7 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Washington County, MS since 1951: 90.8°F in 2026; the highest is 97.2°F, in 1953.
2019: 94.2°F1953: 97.2°F2026: 90.8°F 2026 90.8°F 1953 97.2°F since 2019 1951 2026
  • Normal range, 76.7 to 90.5°F
Every year as a table

Every 29 September low of the county average in Washington County, MS since 1951: 61.7°F in 2026; the lowest is 37.3°F, in 1967.

YearHigh, °FLow, °F
202690.861.7
202588.360.2
202482.862.9
202390.763.8
202280.848.8
202184.670.6
202075.353.3
201994.269.4
201873.161.1
201788.161.3
201687.954.1
20158570
20148466
201385.666.4
201288.666.7
201186.560.3
201083.152.1
200980.152
200886.156.8
200785.559.6
20067946.7
200590.360.4
200483.256.7
200376.948.4
200285.362.3
200181.150.7
20008250.8
199989.361
199892.673.4
199787.257.7
19967247.5
199586.956.7
199492.662.2
199381.750.4
199278.553.7
199180.150.4
199090.558.4
198968.561
19888668.1
198789.263.4
198694.170.3
198578.949.8
198468.850.6
198382.854.2
198283.755.7
198188.457
19806758.8
197985.259.4
197878.363.4
19778167.6
197671.761.4
197575.646
197484.952.8
197387.769
197286.669.3
197189.966.7
197076.649.8
196984.851.7
196883.457.1
196763.537.3
196676.653
196580.863
196462.256
196375.458.7
196275.646.7
196183.955.5
196075.658.9
195990.566.2
195875.850.1
195769.857.9
195689.646.5
195591.969.8
195491.570.8
195397.258.2
195289.755.3
195176.349

The month

August 2026 averaged 83.7°F in Washington County, MS, the warmest August in the county average since 2024, tied 13th warmest of 132 (with 2024) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 90.8°F averaged over Washington County, MS, the warmest 29 September in the county average since 2019, 8th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 61.7°F averaged over Washington County, MS, the warmest 29 September night in the county average since 2024, 24th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Greenville, MS 15.4 mi, the nearest city with its own station