Dayville, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayville, a town in Grant County, Oregon.
Overnight
49°F
Smoke
Smoke. Mostly clear. Low around 49, with temperatures rising to around 51 overnight. West wind 0 to 3 mph.
7-day forecast for Dayville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Smoke | 0 to 3 mph W | 0% |
| Tuesday | 91°F | Smoke | 0 to 8 mph N | 0% |
| Tuesday Night | 54°F | Areas Of Smoke | 0 to 8 mph N | 0% |
| Wednesday | 100°F | Areas Of Smoke | 0 to 9 mph NE | 0% |
| Wednesday Night | 59°F | Areas Of Smoke then Mostly Clear | 1 to 9 mph NW | 0% |
| Thursday | 104°F | Sunny | 2 to 9 mph SW | 0% |
| Thursday Night | 63°F | Mostly Clear | 1 to 9 mph W | 0% |
| Friday | 100°F | Sunny | 1 to 13 mph SW | 0% |
| Friday Night | 60°F | Mostly Clear | 1 to 13 mph NW | 0% |
| Saturday | 97°F | Sunny | 0 to 13 mph W | 0% |
| Saturday Night | 58°F | Mostly Clear | 1 to 13 mph W | 0% |
| Sunday | 92°F | Sunny | 1 to 12 mph W | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 to 12 mph W | 0% |
| Monday | 92°F | Sunny | 1 to 12 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dayville (44.467, -119.532). Updated through the day.
Growing snapshot for Dayville
Last spring frost
May 4
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
7a
More local growing data for Dayville: nearby ZIP 97825 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dayville 8 Nw, Or (13.9 mi from Dayville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.