Klamath, California Weather
Coastal fog thickens at dawn. Day 78 of spring. Read this microseason across nine climate regions →
Klamath weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Foggy——64°47°—
- FridayJun 5Overcast——59°42°-5°
- SaturdayJun 6Overcast——59°42°0°
- SundayJun 7Overcast——60°41°+1°
- MondayJun 8Showers60%1.4″53°45°-7°
- TuesdayJun 9Drizzle54%—64°43°+11°
- WednesdayJun 10Clear18%—68°47°+4°
AQI 35 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.63 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.63 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.63
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 7:23 AM
- Moonset
- 5:25 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Klamath at a glance
- Today vs. normal: 22°F below the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.