Ulm, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ulm, a town in Prairie County, Arkansas.
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. West northwest wind around 5 mph.
7-day forecast for Ulm
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 71°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 47°F | Mostly Clear | 0 mph | 0% |
| Thursday | 74°F | Sunny | 0 mph | 0% |
| Thursday Night | 50°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Friday | 70°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 44°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph NNE | 0% |
| Saturday Night | 39°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Sunday | 65°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 68°F | Sunny | 0 to 5 mph W | 2% |
| Monday Night | 40°F | Clear | 0 to 5 mph SW | 0% |
| Tuesday | 72°F | Sunny | 0 to 5 mph WSW | 2% |
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 Nov 4, 2026.