Bonanza, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonanza, a town in Klamath County, Oregon.
Tonight
38°F
Clear
Clear. Low around 38, with temperatures rising to around 40 overnight. Northwest wind 1 to 6 mph.
7-day forecast for Bonanza
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Clear | 1 to 6 mph NW | 0% |
| Saturday | 74°F | Sunny | 3 mph SE | 0% |
| Saturday Night | 39°F | Mostly Clear | 5 mph NNE | 0% |
| Sunday | 78°F | Sunny | 1 to 5 mph NE | 0% |
| Sunday Night | 42°F | Partly Cloudy | 5 mph NNE | 0% |
| Monday | 79°F | Sunny | 1 to 5 mph NNW | 0% |
| Monday Night | 42°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Tuesday | 78°F | Sunny | 1 to 7 mph NNW | 0% |
| Tuesday Night | 40°F | Mostly Clear | 1 to 7 mph NNW | 0% |
| Wednesday | 78°F | Sunny | 1 to 5 mph W | 0% |
| Wednesday Night | 41°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 80°F | Sunny | 1 to 10 mph SSE | 0% |
| Thursday Night | 42°F | Partly Cloudy | 1 to 10 mph SW | 1% |
| Friday | 74°F | Mostly Sunny | 2 to 14 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Bonanza (42.200, -121.407). Updated through the day.
Growing snapshot for Bonanza
Last spring frost
May 31
First fall frost
Sep 21
Growing season
114 days
Hardiness zone
6b
More local growing data for Bonanza: nearby ZIP 97623 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Altamont
Beatty
Beaver Marsh
Bly
Chemult
Chiloquin
Crescent
Crescent Lake
Falcon Heights
Fort Klamath
Gilchrist
Keno
Klamath Falls
Malin
Merrill
Oregon Shores
Rocky Point
Running Y Ranch
Sprague River
Climate data from the nearest NOAA station, Gerber Dam, Or (9.3 mi from Bonanza). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.