What is the weather in Arcata right now?

Current weather in Arcata is fog.

Where can I find the hourly weather forecast for Arcata?

This page shows hourly weather forecast for Arcata, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Arcata updated regularly?

Weather data for Arcata is updated regularly with the latest available observations and forecasts.

Now · 4:23 AM

Arcata Weather & Hourly Forecast

United States · California · 95521

53°F

Fog at night

Feels like: 53°F

💧 Humidity 100% 🌡 Pressure 30.03 inHg 💨 Wind 1 mph 👁 Visibility 0.1 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:03 AM 🌇 Sunset 7:13 PM

Hourly Forecast for Arcata

Today

5:00 AM

Fog at night

53° 💧 0.002 in 💨 2 mph H 99%30.03 inHg

8:00 AM

Fog

53° 💧 0.002 in 💨 1 mph H 99%30.06 inHg

11:00 AM

Mostly cloudy

58° 💧 0.001 in 💨 4 mph H 90%30.06 inHg

2:00 PM

Partly cloudy

61° 💧 None 💨 7 mph H 79%30.06 inHg

5:00 PM

Mostly cloudy

62° 💧 None 💨 6 mph H 71%30.00 inHg

8:00 PM

Mostly clear night

55° 💧 None 💨 2 mph H 90%30.00 inHg

11:00 PM

Partly cloudy night

54° 💧 None 💨 1 mph H 96%30.00 inHg

Tomorrow

2:00 AM

Fog at night

53° 💧 None 💨 2 mph H 97%29.94 inHg

5:00 AM

Fog at night

51° 💧 None 💨 2 mph H 98%29.94 inHg

8:00 AM

Overcast

52° 💧 None 💨 2 mph H 92%29.94 inHg

11:00 AM

Overcast

60° 💧 None 💨 3 mph H 85%29.94 inHg

2:00 PM

Fog

62° 💧 None 💨 4 mph H 85%29.94 inHg

5:00 PM

Fog

61° 💧 None 💨 2 mph H 87%29.94 inHg

8:00 PM

Mostly cloudy night

59° 💧 0.002 in 💨 3 mph H 89%29.91 inHg

11:00 PM

Light rain

60° 💧 0.118 in 💨 5 mph H 76%29.94 inHg

Friday

2:00 AM

Light rain

58° 💧 0.022 in 💨 5 mph H 97%30.00 inHg

Today

5:00 AM

Fog at night

53° 💧 0.000 in 💨 2 mph H 99%30.03 inHg

6:00 AM

Fog at night

52° 💧 0.001 in 💨 1 mph H 99%30.03 inHg

7:00 AM

Fog at night

51° 💧 0.001 in 💨 1 mph H 100%30.03 inHg

8:00 AM

Fog

53° 💧 0.001 in 💨 1 mph H 99%30.06 inHg

9:00 AM

Fog

54° 💧 0.001 in 💨 1 mph H 98%30.06 inHg

10:00 AM

Fog

56° 💧 None 💨 1 mph H 94%30.06 inHg

11:00 AM

Mostly cloudy

58° 💧 None 💨 4 mph H 90%30.06 inHg

12:00 PM

Mist

59° 💧 None 💨 5 mph H 87%30.06 inHg

1:00 PM

Partly cloudy

60° 💧 0.001 in 💨 6 mph H 84%30.06 inHg

2:00 PM

Partly cloudy

61° 💧 None 💨 7 mph H 79%30.06 inHg

3:00 PM

Mostly cloudy

63° 💧 None 💨 7 mph H 75%30.03 inHg

4:00 PM

Partly cloudy

63° 💧 None 💨 7 mph H 72%30.03 inHg

5:00 PM

Mostly cloudy

62° 💧 None 💨 6 mph H 71%30.00 inHg

6:00 PM

Mostly sunny

61° 💧 None 💨 6 mph H 75%30.00 inHg

7:00 PM

Sunny

57° 💧 None 💨 4 mph H 85%30.00 inHg

8:00 PM

Mostly clear night

55° 💧 None 💨 2 mph H 90%30.00 inHg

9:00 PM

Overcast night

55° 💧 None 💨 2 mph H 93%30.00 inHg

10:00 PM

Overcast night

54° 💧 None 💨 1 mph H 95%30.00 inHg

11:00 PM

Partly cloudy night

54° 💧 None 💨 1 mph H 96%30.00 inHg

Tomorrow

12:00 AM

Mist at night

53° 💧 None 💨 1 mph H 96%29.97 inHg

1:00 AM

Mist at night

53° 💧 None 💨 1 mph H 97%29.97 inHg

2:00 AM

Fog at night

53° 💧 None 💨 2 mph H 97%29.94 inHg

3:00 AM

Fog at night

52° 💧 None 💨 3 mph H 97%29.94 inHg

4:00 AM

Fog at night

52° 💧 None 💨 2 mph H 98%29.94 inHg

5:00 AM

Fog at night

51° 💧 None 💨 2 mph H 98%29.94 inHg

6:00 AM

Fog at night

51° 💧 None 💨 2 mph H 98%29.91 inHg

7:00 AM

Mostly cloudy night

50° 💧 None 💨 2 mph H 97%29.94 inHg

8:00 AM

Overcast

52° 💧 None 💨 2 mph H 92%29.94 inHg

9:00 AM

Fog

55° 💧 None 💨 3 mph H 90%29.94 inHg

10:00 AM

Fog

56° 💧 None 💨 2 mph H 91%29.94 inHg

11:00 AM

Overcast

60° 💧 None 💨 3 mph H 85%29.94 inHg

12:00 PM

Fog

61° 💧 None 💨 4 mph H 85%29.94 inHg

1:00 PM

Fog

62° 💧 None 💨 5 mph H 84%29.94 inHg

2:00 PM

Fog

62° 💧 None 💨 4 mph H 85%29.94 inHg

3:00 PM

Overcast

63° 💧 None 💨 3 mph H 83%29.94 inHg

4:00 PM

Overcast

63° 💧 None 💨 5 mph H 85%29.94 inHg

5:00 PM

Fog

61° 💧 None 💨 2 mph H 87%29.94 inHg

6:00 PM

Overcast

62° 💧 None 💨 1 mph H 87%29.94 inHg

7:00 PM

Overcast

60° 💧 None 💨 2 mph H 89%29.91 inHg

8:00 PM

Mostly cloudy night

59° 💧 None 💨 3 mph H 89%29.91 inHg

9:00 PM

Mostly cloudy night

60° 💧 0.001 in 💨 3 mph H 86%29.94 inHg

10:00 PM

Overcast night

60° 💧 0.001 in 💨 4 mph H 81%29.94 inHg

11:00 PM

Light rain

60° 💧 0.018 in 💨 5 mph H 76%29.94 inHg

Friday

12:00 AM

Light rain

58° 💧 0.045 in 💨 5 mph H 88%29.97 inHg

1:00 AM

Light rain

58° 💧 0.055 in 💨 5 mph H 94%29.97 inHg

2:00 AM

Light rain

58° 💧 0.020 in 💨 5 mph H 97%30.00 inHg

3:00 AM

Mostly cloudy night

58° 💧 0.001 in 💨 2 mph H 95%30.03 inHg

4:00 AM

Mostly cloudy night

57° 💧 0.001 in 💨 1 mph H 96%30.03 inHg

5:00 AM

Mostly cloudy night

56° 💧 0.001 in 💨 2 mph H 97%30.03 inHg

6:00 AM

Mostly cloudy night

56° 💧 None 💨 1 mph H 96%30.06 inHg

7:00 AM

Mostly cloudy night

55° 💧 0.001 in 💨 2 mph H 96%30.06 inHg

8:00 AM

Partly cloudy

56° 💧 0.001 in 💨 4 mph H 96%30.09 inHg

9:00 AM

Partly cloudy

58° 💧 None 💨 5 mph H 94%30.09 inHg

10:00 AM

Mostly cloudy

59° 💧 0.001 in 💨 6 mph H 89%30.12 inHg

11:00 AM

Mostly cloudy

61° 💧 0.002 in 💨 8 mph H 81%30.12 inHg

12:00 PM

Mostly cloudy

62° 💧 None 💨 11 mph H 72%30.12 inHg

1:00 PM

Mostly cloudy

62° 💧 None 💨 12 mph H 71%30.12 inHg

2:00 PM

Mostly cloudy

61° 💧 None 💨 13 mph H 74%30.12 inHg

3:00 PM

Mostly cloudy

61° 💧 None 💨 14 mph H 72%30.12 inHg

4:00 PM

Mostly cloudy

61° 💧 None 💨 13 mph H 70%30.12 inHg

5:00 PM

Mostly cloudy

60° 💧 None 💨 11 mph H 71%30.09 inHg

8:00 PM

Clear night

50° 💧 None 💨 4 mph H 94%30.09 inHg

11:00 PM

Clear night

46° 💧 None 💨 1 mph H 97%30.03 inHg

Saturday

2:00 AM

Clear night

45° 💧 None 💨 1 mph H 95%30.00 inHg

5:00 AM

Clear night

44° 💧 None 💨 2 mph H 96%29.94 inHg

8:00 AM

Overcast

47° 💧 None 💨 1 mph H 87%29.94 inHg

11:00 AM

Overcast

62° 💧 None 💨 2 mph H 62%29.94 inHg

2:00 PM

Overcast

65° 💧 None 💨 4 mph H 58%29.91 inHg

5:00 PM

Overcast

60° 💧 None 💨 5 mph H 70%29.91 inHg

8:00 PM

Mostly cloudy night

51° 💧 None 💨 0 mph H 94%29.94 inHg

11:00 PM

Partly cloudy night

47° 💧 None 💨 2 mph H 95%29.97 inHg

Sunday

2:00 AM

Partly cloudy night

48° 💧 None 💨 2 mph H 87%29.94 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 1 mph H 81%29.94 inHg

8:00 AM

Partly cloudy

49° 💧 None 💨 2 mph H 86%30.00 inHg

11:00 AM

Mostly sunny

57° 💧 None 💨 4 mph H 74%30.03 inHg

2:00 PM

Sunny

60° 💧 None 💨 7 mph H 68%30.03 inHg

5:00 PM

Sunny

58° 💧 None 💨 6 mph H 76%30.03 inHg

8:00 PM

Clear night

49° 💧 None 💨 0 mph H 98%30.03 inHg

11:00 PM

Clear night

46° 💧 None 💨 2 mph H 96%30.06 inHg

Monday

2:00 AM

Clear night

47° 💧 None 💨 0 mph H 84%30.03 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 1 mph H 80%30.03 inHg

8:00 AM

Mostly cloudy

50° 💧 None 💨 0 mph H 76%30.03 inHg

11:00 AM

Mostly sunny

63° 💧 None 💨 4 mph H 61%30.06 inHg

2:00 PM

Sunny

68° 💧 None 💨 5 mph H 57%30.03 inHg

5:00 PM

Sunny

64° 💧 None 💨 4 mph H 56%30.00 inHg

11:00 PM

Partly cloudy night

53° 💧 None 💨 1 mph H 75%30.00 inHg

Tuesday

5:00 AM

Mostly cloudy night

51° 💧 None 💨 2 mph H 76%30.00 inHg

11:00 AM

Sunny

61° 💧 None 💨 5 mph H 65%30.03 inHg

5:00 PM

Mostly cloudy

60° 💧 None 💨 7 mph H 76%30.03 inHg

11:00 PM

Partly cloudy night

51° 💧 None 💨 2 mph H 92%30.03 inHg

Wednesday

5:00 AM

Mostly clear night

51° 💧 None 💨 1 mph H 82%30.00 inHg

11:00 AM

Mostly sunny

65° 💧 None 💨 3 mph H 64%29.97 inHg

5:00 PM

Sunny

66° 💧 None 💨 3 mph H 67%29.88 inHg

11:00 PM

Mostly clear night

55° 💧 None 💨 0 mph H 88%29.91 inHg

Thursday

5:00 AM

Overcast night

54° 💧 None 💨 0 mph H 82%29.88 inHg

11:00 AM

Overcast

60° 💧 None 💨 3 mph H 76%29.94 inHg

5:00 PM

Mostly cloudy

59° 💧 None 💨 5 mph H 84%29.97 inHg

11:00 PM

Overcast night

50° 💧 None 💨 1 mph H 96%30.00 inHg

Friday

5:00 AM

Mostly clear night

49° 💧 None 💨 2 mph H 76%29.97 inHg

11:00 AM

Mostly sunny

63° 💧 None 💨 5 mph H 62%29.97 inHg

5:00 PM

Partly cloudy

65° 💧 None 💨 3 mph H 56%29.91 inHg

11:00 PM

Mostly clear night

55° 💧 None 💨 1 mph H 69%29.91 inHg

Saturday

5:00 AM

Mostly cloudy night

55° 💧 None 💨 1 mph H 60%29.88 inHg

11:00 AM

Sunny

70° 💧 None 💨 3 mph H 50%29.91 inHg

5:00 PM

Mostly sunny

68° 💧 None 💨 3 mph H 62%29.88 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 0 mph H 68%29.91 inHg

Sunday

5:00 AM

Mostly clear night

59° 💧 None 💨 0 mph H 56%29.88 inHg

11:00 AM

Partly cloudy

68° 💧 None 💨 3 mph H 62%29.94 inHg

5:00 PM

Mostly sunny

66° 💧 None 💨 3 mph H 70%29.94 inHg

11:00 PM

Partly cloudy night

58° 💧 None 💨 0 mph H 79%29.94 inHg

Monday

5:00 AM

Mostly clear night

60° 💧 None 💨 0 mph H 51%29.88 inHg

11:00 AM

Mostly sunny

74° 💧 None 💨 2 mph H 49%29.91 inHg

5:00 PM

Mostly sunny

73° 💧 None 💨 3 mph H 62%29.85 inHg

11:00 PM

Clear night

66° 💧 None 💨 1 mph H 62%29.85 inHg

Tuesday

5:00 AM

Mostly clear night

59° 💧 None 💨 1 mph H 64%29.85 inHg

11:00 AM

Mostly sunny

69° 💧 None 💨 3 mph H 52%29.91 inHg

5:00 PM

Mostly sunny

64° 💧 None 💨 5 mph H 73%29.91 inHg

11:00 PM

Partly cloudy night

54° 💧 None 💨 2 mph H 91%29.94 inHg

Wednesday

5:00 AM

Mostly cloudy night

50° 💧 None 💨 0 mph H 94%30.00 inHg

11:00 AM

Sunny

66° 💧 None 💨 1 mph H 47%30.03 inHg

5:00 PM

Overcast

63° 💧 None 💨 6 mph H 76%30.03 inHg

In Arcata and, more broadly, across the state of California: Tonight, expect mostly cloudy skies with mild to warm temperatures ranging from 73 to 80 degrees Fahrenheit. Winds will be light, coming from the west at around 9 mph, with occasional gusts reaching up to 16 mph. No precipitation is forecast for the evening and the early night hours, so outdoor plans should be comfortable. Temperatures may gradually cool into the lower 70s later in the night, but overall, conditions will remain mild. The wind remains gentle, providing a slight breeze without causing concern. Overall, it should be a pleasant evening with no weather-related disruptions.

15-Day Weather Outlook for Arcata

TomorrowTomorrow

Mostly cloudy 63°/50° 💧 None 💨 5 mph

Friday, Sep 25Fri Sep 25

Light rain 62°/46° 💧 0.243 in 💨 14 mph

Saturday, Sep 26Sat Sep 26

Overcast 65°/44° 💧 0.001 in 💨 5 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 60°/46° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 68°/47° 💧 None 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 61°/51° 💧 None 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 66°/51° 💧 None 💨 3 mph

Thursday, Oct 1Thu Oct 1

Overcast 60°/50° 💧 None 💨 5 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 65°/49° 💧 None 💨 5 mph

Saturday, Oct 3Sat Oct 3

Mostly cloudy 70°/55° 💧 None 💨 3 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 68°/58° 💧 None 💨 3 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 74°/60° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 69°/54° 💧 0.001 in 💨 5 mph

Wednesday, Oct 7Wed Oct 7

Overcast 66°/50° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Arcata

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Arcata

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 AM

PM2.5 Fine particles Good 3,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 9,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 80,0µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Arcata

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,7Moderate 🙂Fair

Tomorrow UV 5,3Moderate 🙂Fair

Friday UV 5,4Moderate 😐Moderate

Saturday UV 5,2Moderate 🙂Fair

Sunday UV 4,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,8 10:00 AMUV 2,0 11:00 AMUV 3,6 12:00 PMUV 5,1 1:00 PMUV 5,7 2:00 PMUV 5,4 3:00 PMUV 4,0 4:00 PMUV 2,8 5:00 PMUV 1,4 6:00 PMUV 0,4

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Arcata

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ARCATA, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

0/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 64° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Arcata were last refreshed today at 4:23 AM. The current forecast period extends through 25/09/2026 at 2:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.