Frost dates for Owen 1e, WI
At Owen 1e, the median last spring frost (32°F) is May 13 and the median first fall frost is Sep 26, for a typical growing season of 136 days. For a 90% chance that the last frost has passed, wait until May 29. Nearby ZIP codes are in USDA hardiness zones 4a to 4b.
- May 13Last spring frost (median)50% chance of 32°F after this date
- May 29Safer planting date10% chance of 32°F after this date
- Sep 26First fall frost (median)50% chance of 32°F by this date
- 136 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | May 11 | May 25 | Jun 9 |
| 32°F | Apr 29 | May 13 | May 29 |
| 28°F | Apr 18 | May 2 | May 17 |
| 24°F | Apr 6 | Apr 21 | May 6 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 2 | Sep 17 | Oct 1 |
| 32°F | Sep 12 | Sep 26 | Oct 10 |
| 28°F | Sep 22 | Oct 5 | Oct 21 |
| 24°F | Oct 1 | Oct 18 | Nov 2 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 92 days | 115 days | 135 days |
| 32°F | 116 days | 136 days | 155 days |
| 28°F | 135 days | 156 days | 175 days |
| 24°F | 156 days | 178 days | 202 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 54460 | 4b | -25 to -20°F | 2 km |
| 54422 | 4b | -25 to -20°F | 9 km |
| 54498 | 4a | -30 to -25°F | 12 km |
| 54437 | 4b | -25 to -20°F | 20 km |
| 54488 | 4b | -25 to -20°F | 20 km |
| 54421 | 4b | -25 to -20°F | 21 km |
| 54447 | 4a | -30 to -25°F | 22 km |
| 54446 | 4b | -25 to -20°F | 23 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00476357, at 44.9461, -90.5517, elevation 377 m (1,238 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 173.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Medford (26 km)
- Stanley Wastewater Plant (30 km)
- Marshfield Muni Airport (45 km)
- Neillsville 3ese (45 km)
- Marshfield Exp. Farm (47 km)
- Jump River 3e (47 km)
- Augusta Ranger Station (55 km)
- Holcombe (55 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.