Live Weather & Forecast
Weather in Arcata
California, United States · Real-time conditions & 3-day outlook
7°C
Feels like 6°C
45°F / Feels 42°F
Light rain
Arcata, California
🌙 Nighttime
Updated: 2026-04-12 04:15
Humidity
93%
Wind
8.3 km/h N
Wind Gust
11.1 km/h
Pressure
1003 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0.3 mm
Cloud Cover
100%
Dew Point
3.9°C
Wind Degree
10°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
158.9 μg/m³
NO₂
2.9 μg/m³
O₃
84 μg/m³
SO₂
1.6 μg/m³
PM 2.5
1.7 μg/m³
PM 10
1.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Arcata, California
12 AM
8°
Patchy rain nearby
1 AM
8°
Patchy rain nearby
2 AM
8°
Clear
3 AM
7°
Patchy rain nearby
4 AM
7°
Light rain
5 AM
7°
Clear
6 AM
7°
Clear
7 AM
7°
Patchy rain nearby
8 AM
8°
Patchy rain nearby
9 AM
9°
Patchy rain nearby
10 AM
9°
Light drizzle
11 AM
10°
Light rain
12 PM
11°
Light drizzle
1 PM
11°
Patchy rain nearby
2 PM
11°
Partly Cloudy
3 PM
11°
Cloudy
4 PM
11°
Cloudy
5 PM
10°
Mist
6 PM
10°
Overcast
7 PM
10°
Partly Cloudy
8 PM
9°
Mist
9 PM
9°
Partly Cloudy
10 PM
9°
Partly Cloudy
11 PM
9°
Light rain shower
3-Day Forecast
Daily overview for Arcata, California
Today
Patchy rain nearby
12°
/
7°
🌧️ 85% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 3.37 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:42 AM
🌇 Sunset: 07:53 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Mist
10°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:40 AM
🌇 Sunset: 07:54 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
10°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:39 AM
🌇 Sunset: 07:55 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Arcata
Plan your trip to Arcata, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Arcata?
Current conditions in Arcata: Light rain, temperature 7°C, humidity 93%.
What is the best time to visit Arcata?
The best time to visit Arcata is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Arcata?
Arcata is located at approximately 40.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Arcata?
The wettest period in Arcata is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Arcata?
For visits to Arcata during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Arcata in?
Arcata is located in United States, in the state of California.
What are the public holidays in Arcata in 2026?
View the 2026 public holidays for Arcata on our Holidays page.
What are the GPS coordinates used for the weather forecast in Arcata?
The weather forecast for Arcata uses coordinates 40.8665, -124.0828.