EUREKA, CA 95503 Weather Forecast & Current Conditions

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ARCATA, CA
Current Weather

12:53 PM PDT SEP 16, 2025
Clear
66°F
Feels Like: 66°F
Dewpoint: 57°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: W at 7 mph
Pressure: 29.96 inches
Last 72 hours

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EUREKA, CA 95503
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy until late tonight then becoming mostly cloudy. Patchy fog. Lows 49 to 59. Northwest wind around 10 mph.
WEDNESDAY
Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 65 to 75. Northwest wind 5 to 15 mph.
WEDNESDAY NIGHT
Mostly cloudy. Patchy fog overnight. Lows 50 to 60. West wind around 10 mph.
THURSDAY
Mostly cloudy. Highs 64 to 74. Northwest wind around 15 mph.
THURSDAY NIGHT AND FRIDAY
Mostly cloudy. Lows 50 to 60. Highs 64 to 74. Northwest wind up to 10 mph.
FRIDAY NIGHT AND SATURDAY
Mostly cloudy. Patchy fog. Lows 49 to 59. Highs 64 to 74.
SATURDAY NIGHT
Mostly cloudy. Lows 49 to 59.
SUNDAY
Partly cloudy. Patchy fog. Highs 66 to 76.
SUNDAY NIGHT AND MONDAY
Partly cloudy. Lows 50 to 60. Highs 66 to 80.
MONDAY NIGHT
Mostly cloudy. Lows 51 to 61.
TUESDAY
Mostly cloudy. Slight chance of rain. Highs 65 to 75.

Visible Weather Satellite
EUREKA, CA 95503
Infrared Weather Satellite
EUREKA, CA 95503
NEXRAD Weather Radar
EUREKA, CA 95503

ARCATA, CA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  9/16/2025
Tuesday
16 SEP 2025
EUREKA, CA 95503 weather forecast Day 1, 12 hours 11 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 78% 56°
High 66° EUREKA, CA 95503 weather forecast Day 1, 15 hours 2 PM 65° 65° Partly Cloudy W   5 73% 56°
Partly Cloudy



EUREKA, CA 95503 weather forecast Day 1, 18 hours 5 PM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   5 78% 57°
EUREKA, CA 95503 weather forecast Day 1, 21 hours 8 PM 59° 60° Partly Cloudy NW   1 90% 56°
Wednesday
17 SEP 2025
EUREKA, CA 95503 weather forecast Day 2, 0 hours 11 PM 57° 58° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NNW   2 93% 55°
Low 54° EUREKA, CA 95503 weather forecast Day 2, 3 hours 2 AM 56° 56° Mostly Cloudy NNW   3 96% 55°
High 65° EUREKA, CA 95503 weather forecast Day 2, 6 hours 5 AM 55° 55° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   3 96% 54°

Mostly Cloudy



EUREKA, CA 95503 weather forecast Day 2, 9 hours 8 AM 56° 55° Mostly Cloudy N   5 96% 55°
EUREKA, CA 95503 weather forecast Day 2, 12 hours 11 AM 60° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   7 87% 56°
EUREKA, CA 95503 weather forecast Day 2, 15 hours 2 PM 63° 62° Partly Cloudy NW   10 78% 56°
EUREKA, CA 95503 weather forecast Day 2, 18 hours 5 PM 62° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   12 81% 56°
EUREKA, CA 95503 weather forecast Day 2, 21 hours 8 PM 58° 57° Partly Cloudy NNW   7 93% 56°
Thursday
18 SEP 2025
EUREKA, CA 95503 weather forecast Day 3, 0 hours 11 PM 57° 56° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   7 93% 55°
Low 53° EUREKA, CA 95503 weather forecast Day 3, 3 hours 2 AM 56° 55° Mostly Cloudy N   6 96% 55°
High 64° EUREKA, CA 95503 weather forecast Day 3, 6 hours 5 AM 55° 54° Mostly Cloudy 1%

0% Thunder
( 0% severe)
N   5 96% 54°

Mostly Cloudy



EUREKA, CA 95503 weather forecast Day 3, 9 hours 8 AM 55° 54° Mostly Cloudy N   6 100% 55°
EUREKA, CA 95503 weather forecast Day 3, 15 hours 11 AM 59° 58° Mostly Cloudy 1%

0% Thunder
( 2% severe)
NNW   8 87% 55°
EUREKA, CA 95503 weather forecast Day 3, 18 hours 2 PM 62° 61° Mostly Cloudy NNW   12 78% 55°
EUREKA, CA 95503 weather forecast Day 3, 21 hours 5 PM 61° 59° Mostly Cloudy     NNW   12 84% 56°

ARCATA, CA extended weather forecast

Friday
19 SEP 2025
Saturday
20 SEP 2025
Sunday
21 SEP 2025
Monday
22 SEP 2025
Tuesday
23 SEP 2025
Low 52° Low 51° Low 52° Low 52° Low 52°
High 62° High 66° High 68° High 64° High 67°
EUREKA, CA 95503 weather forecast Day 4 EUREKA, CA 95503 weather forecast Day 5 EUREKA, CA 95503 weather forecast Day 6 EUREKA, CA 95503 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
6% Rain
Overcast
3% Rain
Overcast
11% Rain
Mostly Cloudy
5% Rain
Mostly Cloudy
12% Rain
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