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Weather in Arcata, United States 🇺🇸

Weather Forecast in Arcata

Current Weather in Arcata

Beach Hazards Statement issued July 25 at 11:37AM PDT until July 26 at 12:00AM PDT by NWS Eureka CA
Overcast
17°C
Feels like 11°C. Overcast.
🌬️ 7 km/h N
💧 92% Humidity
🧭 1018 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 15°C
🌅 Sunrise: 06:06 AM
🌇 Sunset: 08:39 PM
Map Overlays:

Arcata currently sits at 17°C, overcast, feeling like 11°C. Expect 92% humidity and winds of about 7 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Arcata from about 10°C to 22°C. ⚠️ Beach Hazards Statement issued July 25 at 11:37AM PDT until July 26 at 12:00AM PDT by NWS Eureka CA

Hourly Forecast for Arcata

21:00
Fog
15°
35%
22:00
Fog
15°
36%
23:00
Fog
16°
35%
00:00
Fog
15°
35%
01:00
Fog
15°
35%
02:00
Fog
14°
35%
03:00
Fog
14°
36%
04:00
Fog
14°
37%
05:00
Fog
14°
37%
06:00
Fog
14°
36%
07:00
Fog
14°
36%
08:00
Fog
14°
36%
09:00
Mist
15°
34%
10:00
Overcast
16°
30%
11:00
Sunny
18°
6%
12:00
Sunny
19°
6%
13:00
Sunny
19°
6%
14:00
Sunny
19°
5%
15:00
Sunny
19°
6%
16:00
Patchy rain nearby
19°
15%
17:00
Patchy rain nearby
18°
18%
18:00
Patchy rain nearby
17°
19%
19:00
Sunny
16°
10%
20:00
Sunny
15°
15%

14-Day Forecast for Arcata

Sat, Jul 25
Sunny Sunny
22° / 11°
Sun, Jul 26
Fog Fog
19° / 11°
Mon, Jul 27
Sunny Sunny
19° / 10°
Tue, Jul 28
Sunny Sunny
19° / 10°
Wed, Jul 29
Sunny Sunny
18° / 13°
Thu, Jul 30
Sunny Sunny
19° / 10°
Fri, Jul 31
Sunny Sunny
19° / 10°
Sat, Aug 01
Sunny Sunny
19° / 10°
Sun, Aug 02
Sunny Sunny
19° / 11°
Mon, Aug 03
Sunny Sunny
21° / 11°
Tue, Aug 04
Sunny Sunny
20° / 12°
Wed, Aug 05
Sunny Sunny
21° / 11°
Thu, Aug 06
Sunny Sunny
20° / 12°
Fri, Aug 07
Sunny Sunny
21° / 12°

Additional Forecasts for Arcata

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 94.0 μg/m³
O₃ (Ozone) 55.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.9 μg/m³
SO₂ (Sulphur Dioxide) 0.8 μg/m³
PM2.5 (Fine particles) 7.3 μg/m³
PM10 (Coarse particles) 10.4 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Arcata Tomorrow

There is no good daylight window left in Arcata today. Tomorrow, the most comfortable window looks like 11:00 to 13:00, when it is around 19°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Arcata

What is the temperature in Arcata right now?

The current temperature in Arcata is 17°C (62°F), overcast (feels like 11°C).

What's the weather like in Arcata right now?

Current weather in Arcata: Overcast, humidity 92%, wind 7 km/h N.

What is today's forecast for Arcata?

Today in Arcata: high 22°C, low 11°C, sunny. Chance of rain: 13%.

What is the 7-day weather forecast for Arcata?

Daily highs and lows for Arcata:

  • 2026-07-25: 22°C / 11°C
  • 2026-07-26: 19°C / 11°C
  • 2026-07-27: 19°C / 10°C
  • 2026-07-28: 19°C / 10°C
  • 2026-07-29: 18°C / 13°C
  • 2026-07-30: 19°C / 10°C
  • 2026-07-31: 19°C / 10°C
Is it going to rain in Arcata today?

There is a 13% chance of rain in Arcata today.

What is the wind speed in Arcata right now?

Wind in Arcata is currently 7 km/h (4 mph) from the N.

What is the UV index in Arcata right now?

The UV index in Arcata is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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