Forest County, Wisconsin · Frost dates
Forest County frost dates.
First-frost, last-frost, and growing-season length for Forest County, Wisconsin. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5a
32°F — light freeze
Last spring frost
- 10%
- 06-02
- 20%
- 05-29
- 50%
- 05-19
- 80%
- 05-09
- 90%
- 05-05
First fall frost
- 10%
- 09-15
- 20%
- 09-20
- 50%
- 09-29
- 80%
- 10-07
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-20
- 20%
- 05-16
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-23
First fall freeze
- 10%
- 09-24
- 20%
- 09-30
- 50%
- 10-09
- 80%
- 10-21
- 90%
- 10-25
Growing season length (days, 28°F threshold)
- Short year
- 127
- Median
- 156
- Long year
- 185
Source NOAA station
LAONA 6 SW, WI US
10.7 mi · 30 yrs of record (1991–2020) · 1695 ft elev.
Data from LAONA 6 SW, WI US, 10.7 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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