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
95°F
Sunny
Sunny, with a high near 95. South wind 5 to 10 mph.
7-day forecast for Siloam Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 73°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 96°F | Mostly Sunny | 5 to 10 mph S | 3% |
| Wednesday Night | 74°F | Partly Cloudy | 5 mph S | 12% |
| Thursday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 55% |
| Friday | 91°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph S | 55% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 5 mph S | 36% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms | 5 mph S | 16% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph S | 15% |
| Sunday | 93°F | Sunny | 5 to 10 mph S | 3% |
| Sunday Night | 73°F | Mostly Clear | 5 to 10 mph S | 2% |
| Monday | 94°F | Sunny | 5 to 10 mph S | 2% |
| Monday Night | 74°F | Mostly Clear | 5 to 10 mph S | 2% |
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
Bella Vista
Bentonville
Cave Springs
Centerton
Cherokee City
Decatur
Garfield
Gentry
Gravette
Highfill
Little Flock
Lost Bridge Village
Lowell
Maysville
Pea Ridge
Prairie Creek
Rogers
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 Aug 4, 2026.