Portland, AR Weather & Growing Conditions
This Afternoon
81°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 76 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Showers And Thunderstorms | 15 mph S | 96% |
| Tonight | 54°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph WSW | 95% |
| Wednesday | 73°F | Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 45°F | Partly Cloudy then Patchy Fog | 0 mph | 0% |
| Thursday | 75°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 1% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 41°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Monday | 69°F | Sunny | 0 to 5 mph WNW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 mph | 1% |
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 Nov 3, 2026.