Mission, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mission, a community in Umatilla County, Oregon.
Today
51°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 51, with temperatures falling to around 45 in the afternoon. West wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Mission
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Slight Chance Rain Showers | 3 mph W | 15% |
| Tonight | 32°F | Patchy Fog | 1 to 5 mph S | 2% |
| Wednesday | 54°F | Patchy Fog then Sunny | 2 mph NE | 1% |
| Wednesday Night | 37°F | Mostly Cloudy then Chance Rain Showers | 2 to 6 mph SE | 41% |
| Thursday | 56°F | Chance Rain Showers then Mostly Sunny | 2 to 9 mph SW | 39% |
| Thursday Night | 35°F | Partly Cloudy | 2 to 7 mph S | 7% |
| Friday | 59°F | Mostly Cloudy | 2 to 7 mph S | 8% |
| Friday Night | 39°F | Mostly Cloudy | 2 to 6 mph SE | 4% |
| Saturday | 64°F | Partly Sunny | 2 to 6 mph SE | 2% |
| Saturday Night | 42°F | Mostly Cloudy then Chance Rain Showers | 3 to 9 mph SE | 28% |
| Sunday | 61°F | Chance Rain Showers then Mostly Cloudy | 2 to 8 mph SW | 28% |
| Sunday Night | 39°F | Mostly Cloudy | 3 mph S | 10% |
| Monday | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph W | 17% |
| Monday Night | 39°F | Slight Chance Rain Showers | 1 to 5 mph S | 17% |
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
Nearby towns & communities
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Echo
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Helix
Hermiston
Kirkpatrick
McKay
Meacham
Milton-Freewater
Pendleton
Pilot Rock
Riverside
Stanfield
Tutuilla
Ukiah
Umapine
Umatilla
Weston
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 Nov 3, 2026.