Portia, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portia, a town in Lawrence County, Arkansas.
This Afternoon
75°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 67 in the afternoon. South wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Portia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Chance Showers And Thunderstorms | 15 to 25 mph S | 96% |
| Tonight | 52°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 15 mph SSW | 87% |
| Wednesday | 70°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph W | 0% |
| Thursday | 72°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 5 mph SW | 4% |
| Friday | 66°F | Mostly Sunny | 5 to 10 mph NNW | 0% |
| Friday Night | 41°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Sunday | 65°F | Sunny | 5 mph WNW | 6% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph WNW | 2% |
| Monday | 68°F | Sunny | 0 to 5 mph W | 1% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Portia (36.085, -91.071). Updated through the day.
Growing snapshot for Portia
Last spring frost
Mar 27
First fall frost
Nov 5
Growing season
224 days
Hardiness zone
7b
More local growing data for Portia: nearby ZIP 72457 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alicia 2Nne, Ar (10.7 mi from Portia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.