Three Rivers, OR Weather & Growing Conditions
Tonight
25°F
Partly Cloudy then Patchy Fog
Patchy fog after 1am. Partly cloudy, with a low around 25. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 25°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SW | 3% |
| Wednesday | 52°F | Patchy Fog then Mostly Sunny | 5 mph SW | 11% |
| Wednesday Night | 28°F | Chance Rain Showers | 2 to 6 mph SW | 51% |
| Thursday | 50°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Thursday Night | 27°F | Partly Cloudy | 0 to 5 mph SW | 5% |
| Friday | 57°F | Mostly Cloudy | 1 to 5 mph SW | 6% |
| Friday Night | 29°F | Partly Cloudy | 3 mph SW | 1% |
| Saturday | 63°F | Mostly Sunny | 3 to 7 mph S | 1% |
| Saturday Night | 30°F | Mostly Cloudy then Chance Rain Showers | 6 to 13 mph SW | 29% |
| Sunday | 53°F | Chance Rain Showers | 0 to 9 mph SW | 29% |
| Sunday Night | 29°F | Mostly Cloudy | 2 mph SW | 10% |
| Monday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SW | 15% |
| Monday Night | 28°F | Slight Chance Rain Showers | 2 to 7 mph SW | 22% |
| Tuesday | 57°F | Chance Rain Showers | 3 to 8 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Three Rivers, OR
Growing season
42 days
Hardiness zone
6a
Explore more for Three Rivers, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Sunriver, Or (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.