Lexington, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lexington, a town in Morrow County, Oregon.
This Afternoon
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 43 in the afternoon. Northeast wind 3 to 8 mph.
7-day forecast for Lexington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Cloudy | 3 to 8 mph NE | 2% |
| Tonight | 33°F | Partly Cloudy | 2 to 6 mph SE | 1% |
| Wednesday | 54°F | Sunny | 2 to 6 mph W | 1% |
| Wednesday Night | 41°F | Rain Showers Likely | 2 to 9 mph SW | 55% |
| Thursday | 57°F | Mostly Sunny | 3 to 14 mph SW | 7% |
| Thursday Night | 39°F | Partly Cloudy | 3 to 8 mph SW | 5% |
| Friday | 59°F | Mostly Cloudy | 3 to 8 mph SW | 5% |
| Friday Night | 41°F | Mostly Cloudy | 6 mph S | 3% |
| Saturday | 60°F | Partly Sunny | 6 mph E | 1% |
| Saturday Night | 43°F | Mostly Cloudy | 3 to 12 mph S | 13% |
| Sunday | 60°F | Mostly Cloudy | 5 to 12 mph SW | 14% |
| Sunday Night | 40°F | Mostly Cloudy | 5 mph S | 7% |
| Monday | 56°F | Mostly Cloudy | 3 mph W | 10% |
| Monday Night | 41°F | Mostly Cloudy | 2 to 7 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov) for Lexington (45.446, -119.688). Updated through the day.
Growing snapshot for Lexington
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7a
More local growing data for Lexington: nearby ZIP 97839 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Heppner, Or (14.5 mi from Lexington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.