Weather forecast for tomorrowArcata, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 55°F
- 45°F
AM Fog / PM Clouds
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSW 235°
- Humidity: 93%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:31 pm PDT
- details ▼
On Sunday, in Arcata, dense fog in the morning will clear, but clouds will linger through the afternoon.
Forecasted temperature values will span from a mild 55.4°F down to a brisk 44.6°F.
The temperature will be lower and more consistent with November's average high of 57°F than with October's usual.
Sunrise will be at 7:31 am and sunset at 6:31 pm; tomorrow's daylight will last for 11h and 0min.
Forecasted temperature values will span from a mild 55.4°F down to a brisk 44.6°F.
The temperature will be lower and more consistent with November's average high of 57°F than with October's usual.
Sunrise will be at 7:31 am and sunset at 6:31 pm; tomorrow's daylight will last for 11h and 0min.
Hourly overview
Hourly temperatures
Warmest hour: 12 pm 55°C.
Minimum temperature: 50°C.
Minimum temperature: 50°C.
Chance of precipitation
Highest chance: 3 pm 23%.
Hourly weather forecast
- 12 am
- 54°F
- Feels like:54°F
Foggy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 2mphSSE 150°
- Humidity: 96%
- Pressure: 30.06"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 2 am
- 50°F
- Feels like:50°F
Foggy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 2mphSSE 157°
- Humidity: 100%
- Pressure: 30.06"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
- 4 am
- 50°F
- Feels like:50°F
Foggy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 2mphSSE 157°
- Humidity: 99%
- Pressure: 30.03"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 6 am
- 50°F
- Feels like:50°F
Foggy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 3mphSSE 160°
- Humidity: 98%
- Pressure: 30.03"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 50°F
- Feels like:50°F
Foggy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 2mphSSE 157°
- Humidity: 100%
- Pressure: 30.03"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:52°F
Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 2mphSSW 192°
- Humidity: 97%
- Pressure: 30.03"Hg
- Visibility: 1mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:55°F
Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 5mphWSW 244°
- Humidity: 90%
- Pressure: 30"Hg
- Visibility: 4mi
- UV index: 2
- details ▼
- 2 pm
- 55°F
- Feels like:54°F
Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 6mphW 264°
- Humidity: 88%
- Pressure: 30"Hg
- Visibility: 6mi
- UV index: 2
- details ▼
- 4 pm
- 54°F
- Feels like:52°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 6mphW 274°
- Humidity: 90%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:52°F
Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphW 266°
- Humidity: 92%
- Pressure: 30"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
Sunset: 6:31 pm
- 8 pm
- 50°F
- Feels like:50°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 2mphW 273°
- Humidity: 99%
- Pressure: 30.03"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 2mphSW 228°
- Humidity: 98%
- Pressure: 30.03"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of dull and foggy weather is predicted.
The temperature variation will be indistinguishable, with a minimum of 50°F and a maximum of 55.4°F. The warmest part of the day will be from noon to 2 pm.
The maximum temperature tomorrow will be more resembling November's average high of 57°F than October's usual of 63.1°F. The nighttime low will be slightly cooler than the typical October minimum temperature of 49.1°F.
The temperature variation will be indistinguishable, with a minimum of 50°F and a maximum of 55.4°F. The warmest part of the day will be from noon to 2 pm.
The maximum temperature tomorrow will be more resembling November's average high of 57°F than October's usual of 63.1°F. The nighttime low will be slightly cooler than the typical October minimum temperature of 49.1°F.
Updated: Oct 18, 2026 @ 05:37:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, foggy weather in the morning will make way for a dreary, overcast afternoon.
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 44.6°F.
The highest temperature tomorrow will be relatively lower than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.
The highest temperature tomorrow will be relatively lower than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a few degrees lower than the average low temperature.
On Sunday, in Arcata, sunrise will be at 7:31 am and sunset at 6:31 pm (PDT).
In Arcata, tomorrow, there will be 11h and 0min of daylight.
