Dayton, ID Weather & Growing Conditions
Today
87°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 87. North northwest wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Patchy Smoke | 5 to 8 mph NNW | 0% |
| Tonight | 50°F | Areas Of Smoke | 2 to 9 mph NW | 0% |
| Wednesday | 90°F | Areas Of Smoke | 2 to 7 mph SW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 2 to 8 mph N | 0% |
| Thursday | 95°F | Sunny | 2 to 7 mph ENE | 0% |
| Thursday Night | 59°F | Clear | 2 to 7 mph E | 0% |
| Friday | 98°F | Sunny | 2 to 9 mph SE | 0% |
| Friday Night | 62°F | Mostly Clear | 2 to 9 mph N | 0% |
| Saturday | 97°F | Sunny | 2 to 9 mph WSW | 0% |
| Saturday Night | 64°F | Mostly Clear | 2 to 10 mph N | 0% |
| Sunday | 96°F | Mostly Sunny | 2 to 13 mph NW | 3% |
| Sunday Night | 62°F | Partly Cloudy | 3 to 10 mph NW | 2% |
| Monday | 94°F | Mostly Sunny | 2 to 13 mph WNW | 4% |
| Monday Night | 61°F | Partly Cloudy | 3 to 12 mph ENE | 5% |
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 Aug 4, 2026.