Heppner, OR Weather & Growing Conditions
This Afternoon
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 68 in the afternoon. Northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 6 mph NW | 1% |
| Tonight | 53°F | Clear | 2 to 6 mph SW | 1% |
| Saturday | 73°F | Sunny | 3 to 7 mph NW | 0% |
| Saturday Night | 55°F | Partly Cloudy | 6 mph SE | 0% |
| Sunday | 76°F | Sunny | 2 to 7 mph N | 0% |
| Sunday Night | 57°F | Mostly Clear | 6 mph SE | 0% |
| Monday | 76°F | Sunny | 6 mph SW | 0% |
| Monday Night | 56°F | Partly Cloudy | 5 mph SW | 0% |
| Tuesday | 73°F | Mostly Sunny | 3 to 7 mph W | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 7 mph SW | 0% |
| Wednesday | 70°F | Mostly Sunny | 6 mph W | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SE | 0% |
| Thursday | 73°F | Mostly Sunny | 6 mph E | 1% |
| Thursday Night | 54°F | Partly Cloudy | 6 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Heppner, OR
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7a
Explore more for Heppner, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Heppner, Or (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.