Local weather forecast

Weather in Fortuna, CA

Updated 2026-08-11 09:00 local time · ZIP codes 95540

Mist
Now54°F

Mist

High / Low71° / 52°
Rain chance22%
Wind4 mph
Weather alerts

Active alerts

3
Coastal Flood Advisory issued August 11 at 2:17AM PDT until August 12 at 1:00AM PDT by NWS Eureka CA

* WHAT...High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.7 and 8.9 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Coastal Humboldt County. * WHEN...From 10 PM this evening to 1 AM PDT Wednesday. High tide is at 11:17 PM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon.

Safety instructions

A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT.

Small Craft Advisory issued August 10 at 8:47PM PDT until August 13 at 9:00AM PDT by NWS Eureka CA

* WHAT...North winds 15 to 25 kt with gusts up to 45 kt and seas 6 to 11 feet. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Safety instructions

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory issued August 11 at 2:13AM PDT until August 13 at 9:00AM PDT by NWS Eureka CA

* WHAT...North winds 15 to 25 kt with gusts up to 45 kt and seas 7 to 12 feet. * WHERE...Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Safety instructions

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Hourly

Next hours

NowMist54°36% rain
10 AMFog56°35% rain
11 AMSmoky haze62°16% rain
12 PMSmoky haze69°5% rain
1 PMSmoky haze71°4% rain
2 PMSunny71°4% rain
3 PMSunny71°5% rain
4 PMSunny71°5% rain
5 PMSunny70°5% rain
6 PMSunny68°6% rain
7 PMSunny66°8% rain
8 PMSunny62°11% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
71° 52°Sunny
Rain 22%Gust 9 mph
Tomorrow2026-08-12
Mist
67° 55°Mist
Rain 38%Gust 9 mph
Thursday2026-08-13
Sunny
66° 52°Sunny
Rain 34%Gust 8 mph
Conditions

Weather details

Feels like54°F
Humidity100%
Pressure29.99 inHg
Visibility1 mi
Wind4 mph NNW
Wind gusts5 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:23 AM
Sunset08:20 PM
Moonrise04:32 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella may help

There is a moderate rain chance, peaking near 36%.

Light layers should work

It feels like 54°F with winds near 4 mph.

Best window: 5 PM

70°F, 5% rain chance and 8 mph wind.

Use extra caution while driving

Visibility is around 1 mi; gusts may reach 11 mph.

Run with a few weather adjustments

Current temperature is 54°F, wind 4 mph, rain chance up to 36%.

Low UV protection needs

UV index is 2.

Fortuna weather today

Mist and 54°F in Fortuna, CA. Today's high is 71°F with a 22% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 100%, pressure is 29.99 inHg, and visibility is about 1 miles.

Tonight and tomorrow in Fortuna

Sunrise is at 06:23 AM and sunset is at 08:20 PM. Tomorrow's forecast calls for Mist with a high near 67°F and a low near 55°F. The maximum rain chance is 38%.

Nearby

Weather near Fortuna

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