Mosier, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mosier, a city in Wasco County, Oregon.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Mosier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 10 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 3 to 8 mph W | 0% |
| Saturday | 83°F | Sunny | 3 mph W | 0% |
| Saturday Night | 56°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 85°F | Sunny | 3 mph NE | 0% |
| Sunday Night | 57°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 82°F | Sunny | 3 to 8 mph W | 0% |
| Monday Night | 53°F | Partly Cloudy | 8 mph W | 0% |
| Tuesday | 76°F | Mostly Sunny | 7 to 12 mph W | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 7 to 12 mph W | 0% |
| Wednesday | 76°F | Mostly Sunny | 2 to 7 mph W | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 3 mph W | 0% |
| Thursday | 78°F | Mostly Sunny | 5 mph W | 6% |
| Thursday Night | 55°F | Mostly Cloudy | 3 to 7 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov) for Mosier (45.685, -121.398). Updated through the day.
Growing snapshot for Mosier
Last spring frost
Apr 20
First fall frost
Oct 13
Growing season
177 days
Hardiness zone
7b
More local growing data for Mosier: nearby ZIP 97040 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Antelope
Dufur
Maupin
Pine Grove
Pine Hollow
Shaniko
Sportsmans Park
The Dalles
Tygh Valley
Wamic
Warm Springs
Climate data from the nearest NOAA station, Hood Rvr Exp Stn, Or (7.8 mi from Mosier). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.