Dayville, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayville, a town in Grant County, Oregon.
Tonight
46°F
Mostly Clear
Mostly clear. Low around 46, with temperatures rising to around 48 overnight. Southwest wind around 2 mph.
7-day forecast for Dayville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Clear | 2 mph SW | 0% |
| Saturday | 81°F | Sunny | 1 to 5 mph NE | 0% |
| Saturday Night | 48°F | Partly Cloudy | 2 mph W | 0% |
| Sunday | 86°F | Sunny | 2 mph NE | 0% |
| Sunday Night | 50°F | Mostly Clear | 1 to 5 mph E | 0% |
| Monday | 88°F | Sunny | 2 to 6 mph NE | 0% |
| Monday Night | 51°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Tuesday | 86°F | Sunny | 0 to 7 mph NW | 0% |
| Tuesday Night | 49°F | Mostly Clear | 1 to 7 mph W | 0% |
| Wednesday | 83°F | Sunny | 1 to 6 mph W | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 1 to 6 mph NW | 1% |
| Thursday | 83°F | Mostly Sunny | 1 to 6 mph S | 2% |
| Thursday Night | 47°F | Partly Cloudy | 2 to 6 mph NW | 5% |
| Friday | 77°F | Mostly Sunny | 2 to 8 mph W | 9% |
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 Sep 19, 2026.