Dayville, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayville, a town in Grant County, Oregon.
Today
60°F
Mostly Cloudy
Mostly cloudy. High near 60, with temperatures falling to around 54 in the afternoon. Northeast wind 1 to 6 mph.
7-day forecast for Dayville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Mostly Cloudy | 1 to 6 mph NE | 2% |
| Tonight | 31°F | Partly Cloudy | 1 to 8 mph S | 1% |
| Wednesday | 61°F | Sunny | 3 mph S | 1% |
| Wednesday Night | 36°F | Chance Rain Showers | 3 mph SW | 34% |
| Thursday | 57°F | Patchy Fog then Mostly Sunny | 2 mph W | 15% |
| Thursday Night | 33°F | Partly Cloudy | 1 to 12 mph SE | 6% |
| Friday | 61°F | Partly Sunny | 2 to 9 mph S | 6% |
| Friday Night | 35°F | Partly Cloudy | 2 to 9 mph S | 1% |
| Saturday | 69°F | Mostly Sunny | 9 mph SE | 1% |
| Saturday Night | 39°F | Mostly Cloudy | 7 to 17 mph SE | 4% |
| Sunday | 63°F | Partly Sunny | 2 to 9 mph SW | 8% |
| Sunday Night | 36°F | Mostly Cloudy | 3 mph S | 8% |
| Monday | 64°F | Partly Sunny | 3 mph S | 6% |
| Monday Night | 36°F | Mostly Cloudy | 2 to 8 mph S | 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 Nov 4, 2026.