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Clearlake, CA Weather

It is 45°F in Clearlake, CA, observed at 3:57 AM PDT. Today: Partly Sunny, high 61°F, low 42°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).

Clearlake, CA current weather

45°F

Mostly Cloudy

H 61° / L 42°Feels like 45°

  • No rain expected in the next 12 hours

Observed at KONOCTI (5.3 mi away), 10/31/2026, 3:57 AM PDT

Hourly forecast

NWS, updated 10/31/2026, 2:10 AM PT

  1. Now44°
  2. 6 AM44°
  3. 7 AM42°
  4. 8 AM44°
  5. 9 AM46°
  6. 10 AM52°
  7. 11 AM55°
  8. 12 PM58°
  9. 1 PM59°
  10. 2 PM61°
  11. 3 PM61°
  12. 4 PM61°
  13. 5 PM60°12%
  14. 6 PM57°12%
  15. 7 PM54°12%
  16. 8 PM52°12%
  17. 9 PM49°12%
  18. 10 PM48°12%
  19. 11 PM47°25%
  20. 12 AM47°25%Sun
  21. 1 AM46°25%
  22. 1 AM46°25%
  23. 2 AM45°25%
  24. 3 AM44°25%
  25. 4 AM44°
  26. 5 AM43°
  27. 6 AM42°
  28. 7 AM43°
  29. 8 AM46°
  30. 9 AM50°
  31. 10 AM55°
  32. 11 AM58°
  33. 12 PM60°
  34. 1 PM61°
  35. 2 PM62°
  36. 3 PM62°
  37. 4 PM61°
  38. 5 PM59°
  39. 6 PM55°
  40. 7 PM52°
  41. 8 PM49°
  42. 9 PM48°
  43. 10 PM46°
  44. 11 PM46°
  45. 12 AM46°Mon
  46. 1 AM46°
  47. 2 AM45°
  48. 3 AM44°

7-day forecast

Tap a day for details

  • Today10/3112% chance of precipitationLow 42°High 61°

    Saturday: Partly sunny, with a high near 61. West wind 0 to 6 mph.

    Overnight: Mostly cloudy, with a low around 42. Wind around 0 mph.

    Partly Sunny
  • Sun11/1Low 41°High 62°

    Sunday: Areas of fog before 10am. Sunny, with a high near 62. North northeast wind 0 to 5 mph.

    Sunday Night: Mostly clear, with a low around 41. North northeast wind 0 to 3 mph.

    Areas Of Fog then Sunny
  • Mon11/2Low 43°High 64°

    Monday: Mostly sunny, with a high near 64. Northeast wind 0 to 3 mph.

    Monday Night: Mostly cloudy, with a low around 43.

    Mostly Sunny
  • Tue11/326% chance of precipitationLow 44°High 64°

    Tuesday: A chance of rain after 10am. Mostly sunny, with a high near 64.

    Tuesday Night: A chance of rain before 4am. Mostly cloudy, with a low around 44.

    Chance Light Rain
  • Wed11/415% chance of precipitationLow 43°High 65°

    Wednesday: Mostly sunny, with a high near 65.

    Wednesday Night: Patchy fog and a slight chance of rain after 4am. Partly cloudy, with a low around 43.

    Mostly Sunny
  • Thu11/520% chance of precipitationLow 43°High 63°

    Thursday: Patchy fog and a slight chance of rain before 4pm. Mostly sunny, with a high near 63.

    Thursday Night: Patchy fog after 4am. Partly cloudy, with a low around 43.

    Patchy Fog
  • Fri11/6Low High 66°

    Friday: Patchy fog before 10am. Mostly sunny, with a high near 66.

    Patchy Fog then Mostly Sunny

Forecast for 38.957, -122.626 from the NWS EKA office, updated 10/31/2026, 2:10 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now44°Mostly Cloudy0%0 mph
  2. 6 AM44°Mostly Cloudy0%0 mph
  3. 7 AM42°Mostly Cloudy0%0 mph
  4. 8 AM44°Mostly Cloudy0%0 mph
  5. 9 AM46°Mostly Cloudy0%0 mph
  6. 10 AM52°Mostly Cloudy0%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Clearlake, CA right now?
The latest observation from KONOCTI was 45°F, reported at 10/31/2026, 3:57 AM PDT.
What is the high temperature today in Clearlake, CA?
The National Weather Service forecast for saturday calls for a high near 61°F. Partly Sunny.
Will it rain in Clearlake, CA in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Clearlake, CA today?
Sunrise is about 7:37 AM PDT and sunset is about 6:10 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Clearlake, CA?
At Clearlake 4 SE, the 1991 to 2020 normal high in October is 75°F and the normal low is 43°F.

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: COOLEY Fire (1,365 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Santa Rosa)
44GoodPM2.5
AQI forecast tomorrow (Santa Rosa)
33GoodPM2.5

UV index guide · Air quality

Drought

By county

Lake County, week of 10/27/2026

95% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:37 AM
Sunset
6:10 PM
Daylight
10 hr 34 min
Moon
Waning Gibbous 71% lit
First light (civil dawn)
7:09 AM
Last light (civil dusk)
6:38 PM
Moonrise
11:18 PM
Moonset
1:42 PM

Normal October weather

Climate

Normal October high 75°, low 43°, precipitation 0.91 in for the month. 1991 to 2020 normals at Clearlake 4 SE, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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