Merlin, OR Weather & Growing Conditions
Overnight
40°F
Partly Cloudy
Partly cloudy, with a low around 40. West southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Partly Cloudy | 3 mph WSW | 0% |
| Wednesday | 57°F | Partly Sunny then Chance Light Rain | 1 to 7 mph SW | 27% |
| Wednesday Night | 43°F | Mostly Cloudy | 1 to 7 mph W | 8% |
| Thursday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Thursday Night | 42°F | Partly Cloudy | 3 mph W | 0% |
| Friday | 64°F | Mostly Sunny | 3 mph SE | 0% |
| Friday Night | 45°F | Mostly Clear | 2 mph S | 0% |
| Saturday | 66°F | Mostly Sunny | 1 to 5 mph S | 10% |
| Saturday Night | 48°F | Chance Light Rain | 5 to 10 mph SW | 42% |
| Sunday | 57°F | Chance Light Rain | 1 to 5 mph NW | 42% |
| Sunday Night | 45°F | Mostly Cloudy | 3 mph ESE | 4% |
| Monday | 59°F | Slight Chance Light Rain | 3 mph SSW | 15% |
| Monday Night | 45°F | Slight Chance Light Rain | 1 to 5 mph SSW | 22% |
| Tuesday | 61°F | Chance Light Rain | 5 mph S | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Merlin, OR
Last spring frost
May 16
First fall frost
Oct 30
Growing season
164 days
Hardiness zone
8b
Explore more for Merlin, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Sexton Summit, Or (15.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.