Mammoth Spring, AR Weather & Growing Conditions
Today
91°F
Sunny
Sunny, with a high near 91. Southeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 0 mph | 0% |
| Tonight | 67°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 93°F | Sunny | 0 to 5 mph SSE | 1% |
| Wednesday Night | 71°F | Partly Cloudy | 0 to 5 mph SSE | 9% |
| Thursday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 29% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 42% |
| Friday | 91°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 67% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Saturday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 31% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 22% |
| Sunday | 93°F | Sunny | 0 to 5 mph SSW | 3% |
| Sunday Night | 71°F | Mostly Clear | 0 to 5 mph S | 3% |
| Monday | 94°F | Sunny | 0 to 5 mph SSW | 4% |
| Monday Night | 72°F | Mostly Clear | 0 to 5 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mammoth Spring, AR
Last spring frost
Apr 12
First fall frost
Oct 24
Growing season
194 days
Hardiness zone
7a
Explore more for Mammoth Spring, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Mammoth Spring, Ar (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.