What is today's weather forecast for Clearlake, CA?

Today's forecast for Clearlake shows a high of 56 degrees and a low of 38 degrees Fahrenheit. A 40 percent chance of rain, mainly after 1pm.

What is the 7-day weather forecast for Clearlake, CA?

The 7-day forecast for Clearlake shows highs from 56 to 65 degrees and lows from 38 to 41 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Clearlake, CA this week?

Yes, rain is possible in Clearlake this week. Precipitation chances: Thursday (40% chance).

How accurate is the Clearlake weather forecast?

WeatherForYou provides highly accurate Clearlake forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Clearlake, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

47°F
Feels Like 47°F

Humidity 97% Dew Point 46°F Wind ESE 1 MPH Gusts 2 Barometer N/A

Report from a MADIS/MESONET weather station 1.4 miles N of central Clearlake
at 6:20 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

40%

FriNov 21

SatNov 22

SunNov 23

MonNov 24

TueNov 25

WedNov 26

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 56°F to 65°F. Mostly dry conditions with only one day showing rain chances.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for November. Normal highs for this period are around 65°F with lows around 41°F.

This Date in Weather History

1869 - A second great windstorm in three days struck Vermont and New York blowing railroad trains off their tracks.

Clearlake, CA 7 Day Weather Forecast Details

Thursday Nov 20

Day: A 40 percent chance of rain, mainly after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind 5 to 9 mph becoming north northwest in the afternoon.

Night: Partly cloudy, with a low around 38. Northwest wind 5 to 7 mph.

Friday Nov 21

Day: Sunny, with a high near 63. Light north wind becoming north northeast 5 to 10 mph in the morning.

Night: Mostly clear, with a low around 40. Light north wind.

Saturday Nov 22

Day: Sunny, with a high near 65. Calm wind becoming north northeast around 5 mph.

Night: Mostly clear, with a low around 39. Calm wind.

Sunday Nov 23

Day: Sunny, with a high near 63.

Night: Partly cloudy, with a low around 40.

Monday Nov 24

Day: Mostly sunny, with a high near 62.

Night: Partly cloudy, with a low around 39.

Tuesday Nov 25

Day: Mostly sunny, with a high near 62.

Night: Partly cloudy, with a low around 41.

Wednesday Nov 26

Day: Mostly sunny, with a high near 65.

About Clearlake, CA

Clearlake is a city in Lake County, California. Clearlake is 4.5 miles (7.2 km) north-northwest of Lower Lake, at an elevation of 1,417 feet (432 m). As of the 2020 census, the city had a total population of 16,685, up from 15,250 in the 2010 census. It takes its name from Clear Lake.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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