Kuna, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kuna, a city in Ada County, Idaho.
Tonight
51°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then a slight chance of showers and thunderstorms between 1am and 2am. Mostly cloudy, with a low around 51. North northwest wind around 5 mph. Chance of precipitation is 30%.
7-day forecast for Kuna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Chance Showers And Thunderstorms | 5 mph NNW | 28% |
| Saturday | 77°F | Mostly Sunny | 3 to 9 mph NW | 5% |
| Saturday Night | 50°F | Mostly Clear | 2 to 6 mph ESE | 0% |
| Sunday | 81°F | Sunny | 6 mph SSE | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 to 6 mph NE | 0% |
| Monday | 83°F | Sunny | 6 mph SSE | 0% |
| Monday Night | 52°F | Partly Cloudy | 5 mph NNE | 0% |
| Tuesday | 83°F | Sunny | 5 mph S | 1% |
| Tuesday Night | 52°F | Mostly Clear | 2 to 6 mph ENE | 1% |
| Wednesday | 84°F | Sunny | 6 mph SSE | 0% |
| Wednesday Night | 53°F | Mostly Clear | 7 mph ENE | 1% |
| Thursday | 87°F | Sunny | 8 to 14 mph SE | 0% |
| Thursday Night | 56°F | Partly Cloudy | 10 mph ESE | 0% |
| Friday | 85°F | Mostly Sunny | 10 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Kuna (43.525, -116.404). Updated through the day.
Growing snapshot for Kuna
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
More local growing data for Kuna: nearby ZIP 83642 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boise Air Terminal, Id (8 mi from Kuna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.