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King William County, VA

: September 2026 so far averaged 73.7°F in King William County, VA, the warmest 1 to 29 September in the county average since 2019, tied 9th warmest of 76 (with 1961) (county average from NOAA gridded data, 1951 to 2026).

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

High
74.6°F
Coldest since 2023
29th coldest of 76
Low
57.8°F
Warmest since 2025
24th warmest of 76

No measurable precipitation in the county average of King William County, VA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in King William County, VA since 1951: 74.6°F in 2026; the highest is 94.3°F, in 1954.
2023: 67.5°F1954: 94.3°F2026: 74.6°F 2026 74.6°F 1954 94.3°F since 2023 1951 2026
  • Normal range, 70.3 to 82.6°F
Every year as a table

Every 29 September low of the county average in King William County, VA since 1951: 57.8°F in 2026; the lowest is 41.8°F, in 1970.

YearHigh, °FLow, °F
202674.657.8
202578.262.5
202484.667
202367.557.4
202269.749.1
20217858.1
202080.462.7
201989.366.5
201875.157.7
201780.354.9
201675.265.6
201581.168.9
201478.552.8
201371.352.3
201280.357.5
201182.465.2
201081.961.9
200982.150.4
200878.562.9
20078451.2
200680.153.5
200581.251.7
20047863.4
200374.450.5
200281.457.1
200166.346.7
200074.545.4
199972.864.7
199890.660.2
199774.661.7
199681.456
199578.751.1
199476.652.3
199369.844.9
199268.956.6
199170.343.8
199078.553
198970.944.4
198880.851.7
198783.854.3
19867763.8
198573.245.6
198453.746.2
19837450.7
198275.753.5
198176.942
198070.245.3
197977.963.6
197880.942.2
197777.149.2
197674.451.2
197572.646.6
197481.965.1
19738860.9
197272.161.8
19718056.6
197069.841.8
196974.448.5
196879.750.5
196780.363.9
196668.856.4
196569.850.7
196469.953.8
196379.254.5
196271.743.7
196180.247.7
196074.960.5
195984.866.2
195871.242.5
19576044
195662.351.3
195582.357.4
195494.359.4
195383.449.3
195278.245.9
195173.743.6

The month

August 2026 averaged 79.2°F in King William County, VA, the warmest August in the county average since 2016, tied 6th warmest of 132 (with 2016, 2010 and 2007) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 74.6°F averaged over King William County, VA, the coldest 29 September day in the county average since 2023, tied 29th coldest of 76 (with 1997) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 57.8°F averaged over King William County, VA, the warmest 29 September night in the county average since 2025, 24th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Richmond, VA 18.6 mi, the nearest city with its own station