Ammon, ID Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 65 in the afternoon. South southeast wind around 8 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms | 8 mph SSE | 82% |
| Tonight | 48°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 8 mph S | 72% |
| Saturday | 62°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 40% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 3 mph S | 12% |
| Sunday | 68°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Sunday Night | 47°F | Mostly Clear | 5 mph E | 0% |
| Monday | 75°F | Sunny | 5 mph ESE | 0% |
| Monday Night | 51°F | Mostly Clear | 5 mph E | 0% |
| Tuesday | 75°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 5 mph SSE | 7% |
| Wednesday | 76°F | Sunny | 7 mph SW | 3% |
| Wednesday Night | 51°F | Mostly Clear | 7 mph SSE | 3% |
| Thursday | 79°F | Sunny | 5 mph S | 3% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph SE | 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 Sep 19, 2026.