Local weather forecast

Weather in Arcata, CA

Updated 2026-08-11 09:00 local time · ZIP codes 95521

Mist
Now54°F

Mist

High / Low67° / 50°
Rain chance17%
Wind3 mph
Weather alerts

Active alerts

2
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°33% rain
10 AMSmoky haze59°20% rain
11 AMSmoky haze64°8% rain
12 PMSmoky haze67°6% rain
1 PMSmoky haze67°7% rain
2 PMSmoky haze66°8% rain
3 PMSunny66°8% rain
4 PMSunny66°8% rain
5 PMSunny66°9% rain
6 PMSunny65°10% rain
7 PMSunny64°11% rain
8 PMSunny61°14% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
67° 50°Sunny
Rain 17%Gust 8 mph
Tomorrow2026-08-12
Patchy rain nearby
66° 53°Patchy rain nearby
Rain 38%Gust 9 mph
Thursday2026-08-13
Mist
65° 52°Mist
Rain 33%Gust 7 mph
Conditions

Weather details

Feels like54°F
Humidity100%
Pressure29.99 inHg
Visibility1 mi
Wind3 mph NW
Wind gusts4 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:22 AM
Sunset08:20 PM
Moonrise04:30 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella may help

There is a moderate rain chance, peaking near 33%.

Light layers should work

It feels like 54°F with winds near 3 mph.

Best window: 12 PM

67°F, 6% rain chance and 7 mph wind.

Use extra caution while driving

Visibility is around 1 mi; gusts may reach 9 mph.

Good conditions for an easy run

Current temperature is 54°F, wind 3 mph, rain chance up to 33%.

Low UV protection needs

UV index is 2.

Arcata weather today

Mist and 54°F in Arcata, CA. Today's high is 67°F with a 17% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 100%, pressure is 29.99 inHg, and visibility is about 1 miles.

Tonight and tomorrow in Arcata

Sunrise is at 06:22 AM and sunset is at 08:20 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 66°F and a low near 53°F. The maximum rain chance is 38%.

Nearby

Weather near Arcata

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