Dayton, ID Weather & Growing Conditions
Tonight
43°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3am. Partly cloudy. Low around 43, with temperatures rising to around 46 overnight. North wind 1 to 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Chance Showers And Thunderstorms | 1 to 5 mph N | 32% |
| Saturday | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 7 mph WNW | 53% |
| Saturday Night | 40°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph NNW | 16% |
| Sunday | 72°F | Sunny | 5 mph NW | 1% |
| Sunday Night | 43°F | Mostly Clear | 5 mph NE | 0% |
| Monday | 75°F | Sunny | 5 mph ESE | 0% |
| Monday Night | 47°F | Partly Cloudy | 5 mph ENE | 0% |
| Tuesday | 76°F | Mostly Sunny | 5 mph N | 4% |
| Tuesday Night | 47°F | Partly Cloudy | 3 mph ESE | 12% |
| Wednesday | 77°F | Sunny | 2 to 6 mph SE | 6% |
| Wednesday Night | 46°F | Mostly Clear | 1 to 5 mph NE | 4% |
| Thursday | 80°F | Sunny | 5 mph ESE | 2% |
| Thursday Night | 49°F | Partly Cloudy | 5 mph SE | 4% |
| Friday | 79°F | Mostly Sunny | 3 to 7 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, ID
Last spring frost
May 16
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
6a
Explore more for Dayton, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Preston, Id (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.