Mission, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mission, a community in Umatilla County, Oregon.
Tonight
51°F
Clear
Clear, with a low around 51. South wind around 5 mph.
7-day forecast for Mission
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Clear | 5 mph S | 1% |
| Saturday | 78°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 50°F | Mostly Clear | 5 mph SE | 0% |
| Sunday | 82°F | Sunny | 2 to 6 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 6 mph E | 0% |
| Monday | 83°F | Sunny | 5 mph SW | 0% |
| Monday Night | 53°F | Mostly Clear | 3 mph S | 0% |
| Tuesday | 79°F | Sunny | 1 to 6 mph W | 0% |
| Tuesday Night | 51°F | Mostly Clear | 5 mph SW | 0% |
| Wednesday | 75°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph E | 1% |
| Thursday | 79°F | Sunny | 3 mph SW | 1% |
| Thursday Night | 51°F | Partly Cloudy | 3 mph SW | 5% |
| Friday | 74°F | Mostly Sunny | 2 to 7 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mission (45.659, -118.666). Updated through the day.
Growing snapshot for Mission
Last spring frost
Apr 22
First fall frost
Oct 9
Growing season
170 days
Hardiness zone
7a
More local growing data for Mission: nearby ZIP 97801 weather · frost dates · planting calendar · Oregon frost dates
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Meacham
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Pendleton
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Tutuilla
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Umatilla
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Climate data from the nearest NOAA station, Pendleton Dwtn, Or (1.3 mi from Mission). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.