Dayton, ID Weather & Growing Conditions
Tonight
44°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms between 10pm and 3am. Partly cloudy. Low around 44, with temperatures rising to around 47 overnight. North wind 1 to 5 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph N | 56% |
| Saturday | 63°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 50% |
| Saturday Night | 41°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph NNW | 16% |
| Sunday | 70°F | Sunny | 5 mph N | 0% |
| Sunday Night | 44°F | Mostly Clear | 3 mph NE | 0% |
| Monday | 74°F | Sunny | 5 mph ESE | 0% |
| Monday Night | 48°F | Partly Cloudy | 5 mph NE | 0% |
| Tuesday | 75°F | Mostly Sunny | 2 to 6 mph NW | 4% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph SE | 13% |
| Wednesday | 76°F | Sunny | 1 to 6 mph S | 6% |
| Wednesday Night | 47°F | Mostly Clear | 5 mph NE | 4% |
| Thursday | 79°F | Sunny | 5 mph ESE | 1% |
| Thursday Night | 49°F | Partly Cloudy | 5 mph ESE | 4% |
| Friday | 78°F | Mostly Sunny | 2 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 (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.