Ammon, ID Weather & Growing Conditions
Today
82°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 82. West southwest wind 2 to 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Smoke | 2 to 10 mph WSW | 0% |
| Tonight | 55°F | Areas Of Smoke | 5 to 10 mph S | 0% |
| Wednesday | 85°F | Areas Of Smoke | 3 to 9 mph SW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 7 to 10 mph S | 0% |
| Thursday | 93°F | Sunny | 3 to 9 mph SSW | 0% |
| Thursday Night | 62°F | Clear | 7 to 10 mph S | 0% |
| Friday | 96°F | Sunny | 3 to 9 mph S | 0% |
| Friday Night | 65°F | Mostly Clear | 8 to 15 mph SSW | 0% |
| Saturday | 95°F | Sunny | 3 to 13 mph SW | 0% |
| Saturday Night | 66°F | Mostly Clear | 7 to 15 mph SSW | 0% |
| Sunday | 94°F | Sunny | 5 to 18 mph SSW | 0% |
| Sunday Night | 65°F | Mostly Clear | 9 to 21 mph SSW | 1% |
| Monday | 92°F | Sunny | 6 to 16 mph SSW | 1% |
| Monday Night | 64°F | Mostly Clear | 9 to 17 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ammon, ID
Last spring frost
May 9
First fall frost
Oct 1
Growing season
142 days
Hardiness zone
5b
Explore more for Ammon, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Idaho Falls - Kifi, Id (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.