Lostine, OR Weather & Growing Conditions
This Afternoon
42°F
Slight Chance Snow Showers
A slight chance of snow showers before 4pm. Mostly cloudy. High near 42, with temperatures falling to around 37 in the afternoon. South wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 42°F | Slight Chance Snow Showers | 6 mph S | 15% |
| Tonight | 30°F | Mostly Cloudy | 5 mph W | 3% |
| Wednesday | 43°F | Sunny | 5 mph W | 1% |
| Wednesday Night | 33°F | Mostly Cloudy then Snow Showers Likely | 2 to 7 mph S | 57% |
| Thursday | 37°F | Snow Showers Likely then Partly Sunny | 2 to 6 mph W | 57% |
| Thursday Night | 29°F | Partly Cloudy | 2 to 17 mph SW | 4% |
| Friday | 42°F | Partly Sunny | 5 to 17 mph S | 11% |
| Friday Night | 36°F | Mostly Cloudy | 5 to 16 mph S | 11% |
| Saturday | 49°F | Mostly Sunny | 9 to 18 mph S | 1% |
| Saturday Night | 40°F | Mostly Cloudy | 10 to 26 mph S | 10% |
| Sunday | 45°F | Partly Sunny | 2 to 26 mph SW | 13% |
| Sunday Night | 37°F | Mostly Cloudy | 2 to 13 mph S | 13% |
| Monday | 46°F | Partly Sunny then Slight Chance Snow Showers | 3 to 13 mph S | 16% |
| Monday Night | 38°F | Slight Chance Snow Showers | 3 to 14 mph SW | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lostine, OR
Last spring frost
May 24
First fall frost
Oct 1
Growing season
126 days
Hardiness zone
6a
Explore more for Lostine, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Joseph, Or (14.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.