ARCATA, CA 95521 Weather Forecast & Current Conditions

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ARCATA, CA
Current Weather

1:53 AM PDT OCT 25, 2026
Fog
43°F
Feels Like: 42°F
Dewpoint: 43°F
Rel. Hum.: 100%
Visibility: 1/4 miles
Wind: ENE at 3 mph
Pressure:
Last 72 hours

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ARCATA, CA 95521
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. Patchy fog in the morning. Highs 57 to 67. Light winds becoming west around 5 mph in the afternoon.
TONIGHT
Mostly cloudy. Chance of rain through the night. Lows 41 to 51. South wind up to 10 mph.
MONDAY
Mostly cloudy. Rain likely in the morning, then slight chance of rain in the afternoon. Highs 52 to 62. Southeast wind around 5 mph shifting to the west in the afternoon.
MONDAY NIGHT
Partly cloudy. Patchy fog. Lows 35 to 45. Northeast wind around 5 mph.
TUESDAY
Partly cloudy. Patchy fog. Highs 53 to 63. North wind around 10 mph.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
Mostly cloudy. Patchy fog. Lows 35 to 45. Highs 51 to 63.
THURSDAY
Mostly cloudy in the morning then becoming mostly sunny. Patchy fog. Slight chance of rain. Highs 51 to 61.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
Mostly cloudy. Chance of rain. Lows 33 to 43. Highs 50 to 61.
SATURDAY
Partly cloudy in the morning then becoming mostly cloudy. Patchy fog. Chance of rain. Highs 51 to 61.

Visible Weather Satellite
ARCATA, CA 95521
Infrared Weather Satellite
ARCATA, CA 95521
NEXRAD Weather Radar
ARCATA, CA 95521

ARCATA, CA 3 hourly weather forecast

weather forecast created  6:00 PM CST 10/24/2026
Sunday
25 OCT 2026
ARCATA, CA 95521 weather forecast Day 1, 0 hours 10 PM 47° 46° Mostly Cloudy 0%

0% Thunder
( 0% severe)
E   3 89% 44°
Low 42° ARCATA, CA 95521 weather forecast Day 1, 3 hours 1 AM 45° 44° Mostly Cloudy   CALM 89% 42°
High 56° ARCATA, CA 95521 weather forecast Day 1, 6 hours 4 AM 44° 43° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 89% 41°

Mostly Cloudy



ARCATA, CA 95521 weather forecast Day 1, 9 hours 7 AM 43° 41° Mostly Cloudy ESE   3 89% 40°
ARCATA, CA 95521 weather forecast Day 1, 12 hours 10 AM 51° 51° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 80% 45°
ARCATA, CA 95521 weather forecast Day 1, 15 hours 1 PM 55° 54° Mostly Cloudy W   5 74% 47°
ARCATA, CA 95521 weather forecast Day 1, 18 hours 4 PM 55° 55° Mostly Cloudy 44%
RAIN
.1–.25 in
0% Thunder
( 5% severe)
SSW   2 77% 48°
ARCATA, CA 95521 weather forecast Day 1, 21 hours 7 PM 51° 48° Partly Cloudy SE   9 89% 48°
Monday
26 OCT 2026
ARCATA, CA 95521 weather forecast Day 2, 0 hours 10 PM 50° 46° Mostly Cloudy 90%
RAIN
***
0% Thunder
( 5% severe)
SSE   12 96% 49°
Low 44° ARCATA, CA 95521 weather forecast Day 2, 3 hours 1 AM 49° 47° Overcast SSE   6 100% 49°
High 54° ARCATA, CA 95521 weather forecast Day 2, 6 hours 4 AM 49° 47° Mostly Cloudy 79%
RAIN
.5–1 in
0% Thunder
( 4% severe)
SSE   5 100% 49°

Mostly Cloudy

Rain Likely

ARCATA, CA 95521 weather forecast Day 2, 9 hours 7 AM 48° 46° Mostly Cloudy SSE   5 100% 48°
ARCATA, CA 95521 weather forecast Day 2, 12 hours 10 AM 51° 50° Mostly Cloudy 39%
RAIN
.25–.5 in
0% Thunder
( 2% severe)
S   3 100% 51°
ARCATA, CA 95521 weather forecast Day 2, 15 hours 1 PM 54° 53° Mostly Cloudy WSW   5 86% 50°
ARCATA, CA 95521 weather forecast Day 2, 18 hours 4 PM 54° 54° Partly Cloudy 8%

0% Thunder
( 0% severe)
WNW   3 83% 49°
ARCATA, CA 95521 weather forecast Day 2, 21 hours 7 PM 50° 49° Partly Cloudy NE   3 89% 47°

ARCATA, CA extended weather forecast

Tuesday
27 OCT 2026
Wednesday
28 OCT 2026
Thursday
29 OCT 2026
Friday
30 OCT 2026
Saturday
31 OCT 2026
Low 42° Low 43° Low 40° Low 38° Low 39°
High 58° High 58° High 55° High 55° High 59°
ARCATA, CA 95521 weather forecast Day 3 ARCATA, CA 95521 weather forecast Day 4 ARCATA, CA 95521 weather forecast Day 5 ARCATA, CA 95521 weather forecast Day 6 ARCATA, CA 95521 weather forecast Day 7
Overcast
20% Rain
Partly Cloudy
15% Rain
Partly Cloudy
28% Rain
Partly Cloudy
15% Rain
Partly Cloudy
10% Rain
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