Klamath, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Klamath, a community in Del Norte County, California.
This Afternoon
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northwest wind around 9 mph.
7-day forecast for Klamath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Sunny | 9 mph NW | 0% |
| Tonight | 51°F | Patchy Fog | 1 to 9 mph NE | 0% |
| Saturday | 64°F | Patchy Fog then Partly Sunny | 1 to 7 mph NW | 1% |
| Saturday Night | 51°F | Patchy Fog | 0 to 6 mph ENE | 0% |
| Sunday | 64°F | Patchy Fog then Mostly Cloudy | 0 to 5 mph NNW | 0% |
| Sunday Night | 52°F | Areas Of Fog | 0 to 5 mph WNW | 0% |
| Monday | 66°F | Areas Of Fog then Partly Sunny | 0 to 6 mph NNW | 0% |
| Monday Night | 53°F | Partly Cloudy then Areas Of Fog | 0 to 5 mph N | 0% |
| Tuesday | 66°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph NNW | 0% |
| Tuesday Night | 52°F | Mostly Cloudy | 0 to 6 mph NNE | 0% |
| Wednesday | 68°F | Partly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 53°F | Mostly Cloudy | 0 to 5 mph NNE | 1% |
| Thursday | 67°F | Partly Sunny | 0 to 3 mph WNW | 6% |
| Thursday Night | 52°F | Mostly Cloudy | 3 mph N | 11% |
Forecast source: National Weather Service (api.weather.gov) for Klamath (41.573, -124.056). Updated through the day.
Growing snapshot for Klamath
Last spring frost
Mar 16
First fall frost
Nov 20
Growing season
252 days
Hardiness zone
9b
More local growing data for Klamath: nearby ZIP 95548 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Klamath, Ca (1.1 mi from Klamath). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.