Siloam Springs, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Siloam Springs, a city in Benton County, Arkansas.
Today
96°F
Sunny
Sunny, with a high near 96. Southwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Siloam Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 10 mph SW | 0% |
| Tonight | 72°F | Mostly Clear | 5 to 10 mph S | 5% |
| Sunday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely | 5 mph NE | 73% |
| Monday | 85°F | Chance Showers And Thunderstorms | 0 to 10 mph N | 73% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 18% |
| Tuesday | 79°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 81°F | Sunny | 5 mph NE | 4% |
| Wednesday Night | 57°F | Mostly Clear | 5 mph NE | 3% |
| Thursday | 83°F | Mostly Sunny | 5 mph E | 4% |
| Thursday Night | 60°F | Partly Cloudy | 5 mph E | 4% |
| Friday | 83°F | Partly Sunny | 5 mph E | 11% |
| Friday Night | 61°F | Partly Cloudy | 5 mph E | 11% |
Forecast source: National Weather Service (api.weather.gov) for Siloam Springs (36.185, -94.532). Updated through the day.
Growing snapshot for Siloam Springs
Last spring frost
Apr 8
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
7a
More local growing data for Siloam Springs: nearby ZIP 72761 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Avoca
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Bentonville
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Garfield
Gentry
Gravette
Highfill
Little Flock
Lost Bridge Village
Lowell
Maysville
Pea Ridge
Prairie Creek
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Springtown
Sulphur Springs
Climate data from the nearest NOAA station, Fayetteville Nw Ar Ap, Ar (11.9 mi from Siloam Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.