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Hourly Forecast
Daylight Hours
07:04
Sunrise
19:16
Sunset
Moon
Waxing Crescent
13:06
Moonrise
21:25
Moonset
Daily Forecast
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Today
Friday
Saturday
Sunday
Monday
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Wednesday
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Friday
Air Quality Data Available
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Humidity
Weather in Arcata-Eureka Airport tomorrow, September 17, 2026
Expect reduced visibility in Arcata-Eureka Airport on September 17, 2026 where fog patches form. Allow more time for morning journeys if the air stays thick. The first half of the day looks overcast, as cloud amounts reach about 100% around 05:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 26°C. The air stays humid, with relative humidity between 71% and 100% and the peak around 08:00. Airflow remains manageable, reaching about 3.8 km/h around 14:00.
Expect persistent cloud later on, with amounts around 81% by 16:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 10.3 km on average, though it can drop toward 0.1 km in thicker cloud or showers. Sunrise is at 07:05 and sunset at 19:15, giving 12 hours 9 minutes of sunlight today.
Overall, Arcata-Eureka Airport on September 17, 2026 needs patience with visibility, especially early, even as temperatures reach about 26°C.
Frequently asked questions about weather in Arcata-Eureka Airport
How warm does it get in Arcata-Eureka Airport?
The warmest month in Arcata-Eureka Airport is August, with average high temperatures of 20°C. The average temperature during this period is around 16°C.
How cold does it get in Arcata-Eureka Airport?
The coldest month in Arcata-Eureka Airport is February, with average low temperatures of 5°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Arcata-Eureka Airport?
The wettest month in Arcata-Eureka Airport is January, with an average of 278mm of precipitation.
What is the driest time of year in Arcata-Eureka Airport?
The driest month in Arcata-Eureka Airport is July, with an average of 4mm of precipitation.
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