Portland, AR Weather & Growing Conditions
Today
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 97. North northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph NNE | 1% |
| Tonight | 70°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Wednesday | 97°F | Sunny | 0 to 5 mph SSW | 4% |
| Wednesday Night | 73°F | Mostly Clear | 0 to 5 mph S | 5% |
| Thursday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 15% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 15% |
| Friday | 96°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 17% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 17% |
| Saturday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 25% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Sunday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 19% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 19% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 20% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portland, AR
Last spring frost
Mar 14
First fall frost
Nov 10
Growing season
241 days
Hardiness zone
8b
Explore more for Portland, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Portland, Ar (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.