Frost dates for Omaha Eppley Airfield, NE
At Omaha Eppley Airfield, the median last spring frost (32°F) is Apr 18 and the median first fall frost is Oct 21, for a typical growing season of 185 days. For a 90% chance that the last frost has passed, wait until Apr 30. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- Apr 18Last spring frost (median)50% chance of 32°F after this date
- Apr 30Safer planting date10% chance of 32°F after this date
- Oct 21First fall frost (median)50% chance of 32°F by this date
- 185 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 | Apr 14 | Apr 28 | May 11 |
| 32°F | Apr 5 | Apr 18 | Apr 30 |
| 28°F | Mar 24 | Apr 8 | Apr 21 |
| 24°F | Mar 13 | Mar 31 | Apr 13 |
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 27 | Oct 10 | Oct 23 |
| 32°F | Oct 6 | Oct 21 | Nov 1 |
| 28°F | Oct 17 | Oct 30 | Nov 11 |
| 24°F | Oct 26 | Nov 7 | Nov 22 |
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 | 147 days | 165 days | 184 days |
| 32°F | 163 days | 185 days | 204 days |
| 28°F | 185 days | 204 days | 223 days |
| 24°F | 202 days | 221 days | 242 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 |
|---|---|---|---|
| 68110 | 6a | -10 to -5°F | 1 km |
| 51510 | 6a | -10 to -5°F | 3 km |
| 68111 | 6a | -10 to -5°F | 6 km |
| 68102 | 6a | -10 to -5°F | 6 km |
| 68178 | 6a | -10 to -5°F | 6 km |
| 68183 | 6a | -10 to -5°F | 7 km |
| 51526 | 5b | -15 to -10°F | 7 km |
| 68131 | 6a | -10 to -5°F | 7 km |
| 68108 | 6a | -10 to -5°F | 9 km |
| 51501 | 5b | -15 to -10°F | 9 km |
| 68105 | 6a | -10 to -5°F | 9 km |
| 68106 | 6a | -10 to -5°F | 12 km |
| 68107 | 6a | -10 to -5°F | 12 km |
| 51503 | 6a | -10 to -5°F | 14 km |
| 68117 | 6a | -10 to -5°F | 14 km |
| 51542 | 5b | -15 to -10°F | 16 km |
| 51576 | 5b | -15 to -10°F | 17 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 USW00014942, at 41.3103, -95.8992, elevation 299 m (982 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 135.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Omaha #1 (11 km)
- Fort Calhoun 4w (22 km)
- Springfield 7e (29 km)
- Gretna 4ne (30 km)
- Blair (34 km)
- Valley NWS (39 km)
- Fremont (49 km)
- Ashland #2 (50 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.