Granite, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Granite, a city in Grant County, Oregon.
This Afternoon
47°F
Mostly Cloudy
Mostly cloudy. High near 47, with temperatures falling to around 41 in the afternoon. Southeast wind 5 to 13 mph, with gusts as high as 23 mph.
7-day forecast for Granite
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Mostly Cloudy | 5 to 13 mph SE | 2% |
| Tonight | 31°F | Mostly Cloudy | 0 to 3 mph NW | 2% |
| Wednesday | 53°F | Sunny | 2 mph NW | 0% |
| Wednesday Night | 35°F | Mostly Cloudy then Chance Rain And Snow Showers | 0 mph | 35% |
| Thursday | 46°F | Chance Rain And Snow Showers then Partly Sunny | 0 to 5 mph W | 35% |
| Thursday Night | 31°F | Partly Cloudy | 0 to 3 mph S | 6% |
| Friday | 49°F | Partly Sunny | 5 mph S | 9% |
| Friday Night | 36°F | Mostly Cloudy | 5 mph SE | 3% |
| Saturday | 54°F | Mostly Sunny | 5 to 12 mph SE | 1% |
| Saturday Night | 38°F | Mostly Cloudy | 7 to 12 mph SE | 4% |
| Sunday | 52°F | Mostly Cloudy | 1 to 7 mph SW | 12% |
| Sunday Night | 37°F | Mostly Cloudy | 3 mph SE | 12% |
| Monday | 53°F | Partly Sunny | 1 to 6 mph SE | 12% |
| Monday Night | 37°F | Mostly Cloudy | 2 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov) for Granite (44.810, -118.419). Updated through the day.
Growing snapshot for Granite
Growing season
74 days
Hardiness zone
6b
More local growing data for Granite: nearby ZIP 97877 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Canyon City
Dayville
Greenhorn
John Day
Long Creek
Monument
Mount Vernon
Prairie City
Seneca
Sumpter
Climate data from the nearest NOAA station, Austin 3 S, Or (17 mi from Granite). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.