Bonanza, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonanza, a town in Klamath County, Oregon.
Tonight
26°F
Partly Cloudy
Partly cloudy. Low around 26, with temperatures rising to around 28 overnight. East southeast wind around 5 mph.
7-day forecast for Bonanza
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 26°F | Partly Cloudy | 5 mph ESE | 4% |
| Wednesday | 50°F | Partly Sunny | 1 to 5 mph SE | 4% |
| Wednesday Night | 28°F | Chance Light Rain then Mostly Cloudy | 0 to 5 mph W | 47% |
| Thursday | 52°F | Mostly Sunny | 2 mph WNW | 0% |
| Thursday Night | 26°F | Partly Cloudy | 2 mph NE | 0% |
| Friday | 59°F | Mostly Sunny | 1 mph SSE | 0% |
| Friday Night | 29°F | Mostly Clear | 2 mph ENE | 0% |
| Saturday | 65°F | Mostly Sunny | 2 to 9 mph ESE | 0% |
| Saturday Night | 31°F | Partly Cloudy | 3 to 9 mph SSE | 0% |
| Sunday | 58°F | Partly Sunny | 3 mph SSW | 1% |
| Sunday Night | 30°F | Mostly Cloudy | 2 mph E | 1% |
| Monday | 57°F | Partly Sunny | 5 mph S | 6% |
| Monday Night | 28°F | Mostly Cloudy | 3 mph SSE | 7% |
| Tuesday | 58°F | Mostly Sunny | 5 mph SSE | 13% |
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 Nov 4, 2026.