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Weston County, WY

: September 2026 so far averaged 64°F in Weston County, WY, the warmest 1 to 29 September in the county average since 2024, tied 5th warmest of 76 (with 2021) (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 2020
37th coldest of 76
Low
46.9°F
Warmest since 2025
9th warmest of 76
Precipitation
0.03 in
Wettest since 2021
10th wettest of 76
Every 29 September high of the county average in Weston County, WY since 1951: 68.8°F in 2026; the highest is 91.9°F, in 2024.
2020: 62.6°F2024: 91.9°F2026: 68.8°F 2026 68.8°F 2024 91.9°F since 2020 1951 2026
  • Normal range, 58.2 to 82.9°F
Every year as a table

Every 29 September low of the county average in Weston County, WY since 1951: 46.9°F in 2026; the lowest is 17.2°F, in 1984.

YearHigh, °FLow, °F
202668.846.9
202585.249.4
202491.953.7
202372.243.1
20228548.2
202186.747
202062.633.2
201954.742.9
201842.931.2
201766.140.4
201679.444.3
201560.547.8
201460.345.8
201363.432.7
201274.243.7
201182.744.6
201086.646.1
200967.129.1
200872.833.4
200780.347.4
200673.233.5
200561.934.5
200467.640.2
200358.635.3
200263.938.3
200185.650.2
200081.141.4
199952.727.4
199876.941
199767.936.6
19967137.1
199578.344.2
199484.842
199366.733.5
199273.235.4
199181.943.7
199066.439.8
198980.447.6
198851.233.3
198764.731.7
198655.531.6
198530.319.3
198444.617.2
198364.536.7
198250.538.4
198182.141.5
198086.641.8
19798037.9
19787243.2
197778.440.5
197670.529.9
19756234
197462.334.3
19737035.4
197258.928.8
197162.937.9
197077.832.4
196983.842.4
196863.934.4
196783.339
196667.138.7
196539.430.3
196470.334.8
196371.935.8
196269.443
196170.231.1
196062.238.2
195942.127.5
195866.735.9
195787.141.5
195663.537.4
195567.135
195450.732.5
195373.841.6
195280.142
195173.739.3

The month

August 2026 averaged 71.8°F in Weston County, WY, the warmest August in the county average since 2024, tied 17th warmest of 132 (with 1995) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 68.8°F averaged over Weston County, WY, the coldest 29 September day in the county average since 2020, 37th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.9°F averaged over Weston County, WY, the warmest 29 September night in the county average since 2025, 9th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: 0.03 in of precipitation averaged over Weston County, WY, the wettest 29 September in the county average since 2021, tied 10th wettest of 76 (with 1961 and 1959) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Rapid City Downtown, SD 69.4 mi, the nearest city with its own station