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The Fire Weather Zones in Del Norte, Humboldt, Trinity, Mendocino, and Lake Counties will be Changing in March 2026
The Public Forecast Zones in Trinity and Lake Counties will be Changing in March 2026

Hazardous Weather Conditions

Winter Weather Advisory until February 19, 10:00 AM PST

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Overcast

41°F

5°C

Humidity	80%
Wind Speed	E 6 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Wind Chill	37°F (3°C)
Last update	18 Feb 06:35 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Trinidad CA

Winter Weather Advisory February 18, 06:54pm until February 19, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory February 18, 06:54pm until February 19, 10:00am
NOW until 10:00am Thu
Winter Weather Advisory
Tonight
Low: 39 °F
Showers and
Breezy
Thursday
High: 46 °F
Showers
Thursday Night
Low: 38 °F
Rain Likely
Friday
High: 48 °F
Chance Rain
Friday Night
Low: 44 °F
Rain and
Windy
Saturday
High: 53 °F
Rain and Very
Windy
Saturday Night
Low: 44 °F
Rain and
Windy
Sunday
High: 54 °F
Rain and
Windy

Detailed Forecast

Tonight

Rain, mainly between 7pm and 4am, then showers and possibly a thunderstorm after 4am. Low around 39. Breezy, with a south wind 6 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

Showers and possibly a thunderstorm before 10am, then rain, mainly after 10am. High near 46. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. North wind 6 to 14 mph becoming east northeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A 50 percent chance of rain. Mostly cloudy, with a high near 48. East southeast wind 9 to 11 mph becoming south in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Rain, mainly after 10pm. Low around 44. Windy, with a southeast wind 15 to 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Rain. High near 53. Very windy, with a southeast wind 26 to 33 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Rain. Low around 44. Windy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Sunday

Rain. Cloudy, with a high near 54. Windy.

Sunday Night

Rain. Cloudy, with a low around 49. Windy.

Monday

Rain. Cloudy, with a high near 53. Windy.

Monday Night

Rain. Cloudy, with a low around 48. Breezy.

Tuesday

Rain. Cloudy, with a high near 54.