Bismarck, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bismarck, a community in Hot Spring County, Arkansas.
Today
94°F
Sunny
Sunny, with a high near 94. Heat index values as high as 99. Southeast wind 0 to 5 mph.
7-day forecast for Bismarck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny | 0 to 5 mph SE | 1% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 95°F | Sunny | 0 mph | 5% |
| Wednesday Night | 73°F | Mostly Clear | 0 mph | 6% |
| Thursday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 20% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 20% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 mph | 40% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 40% |
| Saturday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Sunday | 92°F | Mostly Sunny | 0 to 5 mph SSW | 10% |
| Sunday Night | 73°F | Partly Cloudy | 0 mph | 10% |
| Monday | 92°F | Mostly Sunny | 0 to 5 mph SSW | 13% |
| Monday Night | 73°F | Mostly Clear | 0 mph | 13% |
Forecast source: National Weather Service (api.weather.gov) for Bismarck (34.322, -93.178). Updated through the day.
Growing snapshot for Bismarck
Last spring frost
Mar 20
First fall frost
Nov 10
Growing season
234 days
Hardiness zone
8a
More local growing data for Bismarck: nearby ZIP 71929 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Degray Lake Sp, Ar (3.6 mi from Bismarck). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.