Arcata, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Arcata, CA in one place.
Mostly clear, with a low around 52. North northwest wind around 1 mph.
Local Weather Overview
This forecast page for Arcata, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 5:36 AM PDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Arcata, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:36 AM PDT
- Forecast office
- EKA
- Source
- NOAA / NWS
Daily Outlook
This Week in Arcata
Thursday looks like the warmest upcoming period in Arcata at 68 degrees F.
Sunday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 7 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 5:36 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- EKA
- Radar station
- KBHX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 68, with temperatures falling to around 63 in the afternoon. Northwest wind 1 to 5 mph.
Partly cloudy, with a low around 52. West northwest wind around 2 mph.
Partly sunny, with a high near 62. West northwest wind 1 to 5 mph.
Patchy fog after 8pm. Mostly cloudy, with a low around 48. North northwest wind around 3 mph.
Patchy fog before 11am. Partly sunny, with a high near 58. North wind 1 to 6 mph.
Patchy fog after 2am. Mostly cloudy, with a low around 48.
Patchy fog before 2pm. Mostly cloudy, with a high near 56.
Patchy fog after 8pm. Mostly cloudy, with a low around 45.
Patchy fog before 11am, then a chance of rain and patchy fog. Mostly cloudy, with a high near 53.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 45.
Patchy fog between 8am and 11am. Mostly sunny, with a high near 56.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Mostly Clear
|
52°F |
1 mph
NNW
|
|
Thursday
Oct 15
|
Sunny
|
68°F |
1 to 5 mph
NW
|
|
Thursday Night
Oct 15
|
Partly Cloudy
|
52°F |
2 mph
WNW
|
|
Friday
Oct 16
|
Partly Sunny
|
62°F |
1 to 5 mph
WNW
|
|
Friday Night
Oct 16
|
Patchy Fog
|
48°F |
3 mph
NNW
|
|
Saturday
Oct 17
|
Patchy Fog then Partly Sunny
|
58°F |
1 to 6 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Cloudy then Patchy Fog
|
48°F |
1 to 6 mph
N
|
|
Sunday
Oct 18
|
Patchy Fog
|
56°F |
1 to 5 mph
N
|
|
Sunday Night
Oct 18
|
Patchy Fog
|
45°F |
3 mph
NNE
|
|
Monday
Oct 19
|
Chance Light Rain
|
53°F |
0 to 3 mph
S
|
|
Monday Night
Oct 19
|
Slight Chance Light Rain then Mostly Cloudy
|
45°F |
3 mph
NE
|
|
Tuesday
Oct 20
|
Patchy Fog then Mostly Sunny
|
56°F |
1 to 7 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
46°F |
2 to 6 mph
NNE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
58°F |
1 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arcata.
