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

Hazardous Weather Conditions

Coastal Flood Advisory in effect from April 20, 12:00 AM PDT until April 20, 04:00 AM PDT

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Overcast

52°F

11°C

Humidity	76%
Wind Speed	N 0 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	20 Apr 12:35 AM PDT

More Information:

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

Extended Forecast for

Trinidad CA

Coastal Flood Advisory until April 20, 04:00am

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory until April 20, 04:00am
NOW until 4:00am Mon
Coastal Flood Advisory
Overnight
Low: 50 °F
Rain
Monday
High: 55 °F
Rain
Monday Night
Low: 49 °F
Rain
Tuesday
High: 54 °F
Showers
Tuesday Night
Low: 49 °F
Rain Likely
Wednesday
High: 55 °F
Chance Rain
Wednesday Night
Low: 46 °F
Slight Chance
Rain then
Partly Cloudy
Thursday
High: 55 °F
Mostly Sunny
then Mostly
Sunny and
Breezy

Detailed Forecast

Overnight

Rain, mainly after 2am. Low around 50. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Rain. High near 55. South wind 7 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Monday Night

Rain. Low around 49. Southeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain before 2pm, then showers and possibly a thunderstorm after 2pm. High near 54. Light and variable wind becoming northwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Rain likely. Mostly cloudy, with a low around 49. West northwest wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

A 50 percent chance of rain. Partly sunny, with a high near 55. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 46.

Thursday

Mostly sunny, with a high near 55. Breezy.

Thursday Night

Mostly clear, with a low around 47. Breezy.

Friday

Sunny, with a high near 58.

Friday Night

Partly cloudy, with a low around 49.

Saturday

A slight chance of rain. Mostly sunny, with a high near 56.