climatesince.com

Winona County, MN

Tuesday : a low of 54.2°F averaged over Winona County, MN, the warmest 29 September night in the county average since 2023, tied 6th warmest of 76 (with 2014) (county average from NOAA gridded data, 1951 to 2026).

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

High
71.5°F
Warmest since 2025
19th warmest of 76
Low
54.2°F
Warmest since 2023
6th warmest of 76

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

Every 29 September low of the county average in Winona County, MN since 1951: 54.2°F in 2026; the lowest is 26.5°F, in 1967.
2023: 58.3°F1967: 26.5°F2026: 54.2°F 2026 54.2°F 1967 26.5°F since 2023 1951 2026
  • Normal range, 33.7 to 53°F
Every year as a table

Every 29 September high of the county average in Winona County, MN since 1951: 71.5°F in 2026; the highest is 82.2°F, in 2024.

YearHigh, °FLow, °F
202671.554.2
202576.146.7
202482.252.4
202367.258.3
202259.533.5
202176.449.9
202056.647.2
201964.250
201855.233.8
201774.146.1
201664.148.5
201574.552.8
201479.454.2
201370.843.9
201272.936.8
201165.952.9
201065.546.3
200955.145.3
200867.955.1
200769.244.8
200655.638.8
200561.337.1
200463.136.7
200352.432.6
200261.244.3
200164.139.6
200071.143.9
19996340.9
199876.148.5
199771.654.1
199664.143.8
199576.952.1
199462.439.7
199352.137.2
199255.231.6
199163.532.9
19906646.3
198976.943.5
198855.949.8
198769.552
198672.854.6
198551.140.4
19845129.4
198380.657.3
198271.153.8
198160.935.5
198060.946.5
197974.655.8
197864.138.9
19777042.3
19766133.5
197564.545.3
197458.440.4
197363.953.3
197259.736.5
197179.448.8
197064.937.2
196965.744
196862.941.6
196754.326.5
196664.746.8
19656050.6
196462.335.6
196361.540.4
196263.434.8
196152.631.9
196056.842.6
195959.540.7
195868.343.8
195766.134.4
195672.544.2
195571.548.7
195466.251.8
195380.752
195278.944.4
195152.430.9

The month

September 2026 so far averaged 64.7°F in Winona County, MN, the warmest 1 to 29 September in the county average since 2024, tied 11th warmest of 76 (with 2018) (county average from NOAA gridded data, 1951 to 2026).

The month in words
  • August 2026 averaged 69.4°F in Winona County, MN, the warmest August in the county average since 2024, tied 51st warmest of 132 (with 1956, 1931 and 1905) (county average from NOAA's monthly county data, 1895 to 2026).
  • Tuesday 29 September 2026: a high of 71.5°F averaged over Winona County, MN, the warmest 29 September in the county average since 2025, tied 19th warmest of 76 (with 1955) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

La Crosse, WI 27.0 mi, the nearest city with its own station