Frost dates for Newport, AR
At Newport, the median last spring frost (32°F) is Mar 18 and the median first fall frost is Nov 11, for a typical growing season of 240 days. For a 90% chance that the last frost has passed, wait until Apr 4. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 18Last spring frost (median)50% chance of 32°F after this date
- Apr 4Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 240 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 | Mar 13 | Mar 31 | Apr 14 |
| 32°F | Feb 28 | Mar 18 | Apr 4 |
| 28°F | Feb 16 | Mar 6 | Mar 25 |
| 24°F | Jan 31 | Feb 25 | Mar 15 |
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 | Oct 20 | Oct 31 | Nov 15 |
| 32°F | Oct 31 | Nov 11 | Dec 1 |
| 28°F | Nov 6 | Nov 25 | Dec 14 |
| 24°F | Nov 15 | Dec 8 | Jan 3 |
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 | 196 days | 216 days | 238 days |
| 32°F | 218 days | 240 days | 264 days |
| 28°F | 238 days | 262 days | 288 days |
| 24°F | 259 days | 286 days | 316 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 |
|---|---|---|---|
| 72112 | 8a | 10 to 15°F | 5 km |
| 72075 | 8a | 10 to 15°F | 5 km |
| 72564 | 8a | 10 to 15°F | 16 km |
| 72473 | 8a | 10 to 15°F | 18 km |
| 72165 | 8a | 10 to 15°F | 18 km |
| 72562 | 8a | 10 to 15°F | 18 km |
| 72431 | 8a | 10 to 15°F | 18 km |
| 72020 | 8a | 10 to 15°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 USC00035186, at 35.6042, -91.2744, elevation 70 m (228 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 60.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Beedeville 4 NE (25 km)
- Batesville L&d 1 (37 km)
- Alicia 2nne (41 km)
- Batesville 8 WNW (52 km)
- Batesville Lvstk (53 km)
- Poinsett State Park (54 km)
- Searcy (55 km)
- Wynne (58 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.