Klamath, CA Weather & Growing Conditions
Tonight
50°F
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 50. West southwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Areas Of Fog | 1 mph WSW | 0% |
| Saturday | 64°F | Patchy Fog then Partly Sunny | 1 to 5 mph W | 0% |
| Saturday Night | 50°F | Areas Of Fog | 0 to 3 mph SW | 0% |
| Sunday | 64°F | Areas Of Fog then Mostly Cloudy | 0 to 5 mph W | 0% |
| Sunday Night | 50°F | Mostly Cloudy then Areas Of Fog | 0 to 5 mph WSW | 0% |
| Monday | 66°F | Areas Of Fog then Partly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 52°F | Areas Of Fog | 0 to 5 mph NNE | 0% |
| Tuesday | 66°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph NNW | 0% |
| Tuesday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 6 mph N | 0% |
| Wednesday | 67°F | Patchy Fog then Mostly Sunny | 0 to 7 mph NNW | 0% |
| Wednesday Night | 51°F | Mostly Cloudy | 1 to 7 mph NNE | 0% |
| Thursday | 67°F | Mostly Sunny | 1 to 5 mph NNW | 1% |
| Thursday Night | 51°F | Mostly Cloudy | 1 to 5 mph NNE | 3% |
| Friday | 66°F | Partly Sunny | 1 to 7 mph NNW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Klamath, CA
Last spring frost
Mar 16
First fall frost
Nov 20
Growing season
252 days
Hardiness zone
9b
Explore more for Klamath, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Klamath, Ca (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.