Granite, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Granite, a city in Grant County, Oregon.
Today
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 68 in the afternoon. Northwest wind around 3 mph.
7-day forecast for Granite
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 3 mph NW | 1% |
| Tonight | 46°F | Partly Cloudy | 2 mph N | 1% |
| Sunday | 74°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 48°F | Mostly Clear | 1 mph SE | 0% |
| Monday | 75°F | Sunny | 2 mph S | 2% |
| Monday Night | 48°F | Partly Cloudy | 2 mph N | 1% |
| Tuesday | 74°F | Sunny | 0 to 3 mph W | 2% |
| Tuesday Night | 47°F | Mostly Clear | 0 to 3 mph NE | 1% |
| Wednesday | 73°F | Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 47°F | Partly Cloudy | 3 mph N | 2% |
| Thursday | 72°F | Mostly Sunny | 1 to 5 mph SE | 1% |
| Thursday Night | 47°F | Partly Cloudy | 5 mph E | 3% |
| Friday | 67°F | Partly Sunny | 2 to 6 mph SW | 9% |
| Friday Night | 42°F | Mostly Cloudy | 1 to 5 mph NW | 13% |
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 Sep 19, 2026.