Klamath, CA Weather & Growing Conditions
Today
63°F
Partly Sunny
Partly sunny. High near 63, with temperatures falling to around 58 in the afternoon. North northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Partly Sunny | 2 mph NNE | 14% |
| Tonight | 42°F | Partly Cloudy then Patchy Fog | 5 mph ENE | 4% |
| Wednesday | 59°F | Patchy Fog then Chance Light Rain | 5 mph SW | 48% |
| Wednesday Night | 44°F | Chance Light Rain then Patchy Fog | 3 mph NE | 48% |
| Thursday | 60°F | Patchy Fog then Mostly Sunny | 0 to 6 mph NNW | 1% |
| Thursday Night | 43°F | Patchy Fog | 1 to 6 mph NNE | 5% |
| Friday | 61°F | Partly Sunny | 2 mph NNE | 5% |
| Friday Night | 43°F | Partly Cloudy | 2 mph NE | 2% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Light Rain | 2 mph SSE | 16% |
| Saturday Night | 46°F | Chance Light Rain | 2 to 8 mph SSE | 46% |
| Sunday | 60°F | Chance Light Rain | 1 to 5 mph SSW | 46% |
| Sunday Night | 46°F | Patchy Fog then Slight Chance Light Rain | 2 mph ESE | 15% |
| Monday | 60°F | Chance Light Rain | 3 mph S | 31% |
| Monday Night | 45°F | Chance Light Rain | 3 to 7 mph S | 33% |
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 Nov 3, 2026.