Mosier, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mosier, a city in Wasco County, Oregon.
Tonight
34°F
Patchy Fog
Patchy fog. Mostly clear. Low around 34, with temperatures rising to around 36 overnight. Wind around 0 mph.
7-day forecast for Mosier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Patchy Fog | 0 mph | 1% |
| Wednesday | 56°F | Patchy Fog then Chance Rain Showers | 1 mph N | 45% |
| Wednesday Night | 42°F | Rain Showers Likely | 0 to 5 mph W | 68% |
| Thursday | 58°F | Mostly Sunny | 1 to 6 mph W | 8% |
| Thursday Night | 38°F | Patchy Fog | 2 mph NW | 5% |
| Friday | 58°F | Patchy Fog then Slight Chance Rain Showers | 1 mph W | 16% |
| Friday Night | 41°F | Slight Chance Rain Showers then Patchy Fog | 0 mph | 16% |
| Saturday | 61°F | Patchy Fog then Partly Sunny | 2 mph E | 8% |
| Saturday Night | 43°F | Rain Showers Likely | 0 to 3 mph W | 56% |
| Sunday | 57°F | Chance Rain Showers | 3 mph W | 54% |
| Sunday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 2 mph N | 15% |
| Monday | 56°F | Slight Chance Rain Showers | 1 mph E | 19% |
| Monday Night | 40°F | Chance Rain Showers | 0 mph | 30% |
| Tuesday | 58°F | Chance Rain Showers | 1 mph E | 31% |
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 Nov 4, 2026.