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Ulm, AR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ulm, a town in Prairie County, Arkansas.

This Afternoon
70°F
Sunny
Sunny, with a high near 70. West northwest wind around 5 mph.

7-day forecast for Ulm

WhenTempForecastWindPrecip
This Afternoon 70°F Sunny 5 mph WNW 0%
Tonight 47°F Mostly Clear 0 mph 0%
Thursday 73°F Patchy Fog then Mostly Sunny 0 to 5 mph WSW 0%
Thursday Night 49°F Mostly Clear 0 to 5 mph NNE 1%
Friday 68°F Sunny 10 mph N 0%
Friday Night 43°F Partly Cloudy 5 to 10 mph NNE 0%
Saturday 61°F Mostly Sunny 10 mph NNE 0%
Saturday Night 37°F Mostly Clear 0 to 5 mph NNE 0%
Sunday 63°F Mostly Sunny 5 mph NNE 1%
Sunday Night 38°F Mostly Clear 0 to 5 mph N 1%
Monday 66°F Mostly Sunny 0 mph 2%
Monday Night 40°F Partly Cloudy 0 mph 8%
Tuesday 69°F Sunny 0 to 5 mph NW 3%
Tuesday Night 42°F Mostly Clear 0 to 5 mph WNW 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

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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 5, 2026.