Ulm, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ulm, a town in Prairie County, Arkansas.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. East wind around 0 mph.
7-day forecast for Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 93°F | Sunny | 0 to 5 mph ENE | 0% |
| Tuesday Night | 71°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 96°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 75°F | Mostly Clear | 5 mph SSE | 3% |
| Thursday | 97°F | Mostly Sunny | 5 mph SSW | 13% |
| Thursday Night | 77°F | Partly Cloudy | 5 mph SSE | 13% |
| Friday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SSW | 34% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 5 mph SSE | 34% |
| Saturday | 95°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph SSW | 25% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSE | 25% |
| Sunday | 95°F | Mostly Sunny | 5 mph S | 13% |
| Sunday Night | 76°F | Partly Cloudy | 5 mph S | 13% |
| Monday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Ulm (34.576, -91.462). Updated through the day.
Growing snapshot for Ulm
Last spring frost
Mar 11
First fall frost
Nov 17
Growing season
250 days
Hardiness zone
8b
More local growing data for Ulm: nearby ZIP 72170 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stuttgart 9 Ese, Ar (6.9 mi from Ulm). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.