Arcata weather — 10-day forecast

Temperature, rain, wind and feels-like in Arcata, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 11:00 · NOAA HRRR model

12 °C

Overcast

1.6 km/hforce 1

Next 12 h

  • 1112°
  • 1213°
  • 1313°
  • 1414°
  • 1514°
  • 1613°
  • 1713°
  • 1812°
  • 18:30Sunset
  • 1911°
  • 2011°10 %
  • 2111°
  • 2211°
  • 2311°

↑ 14°14:00↓ 11°22:00

Humidity
76 %
Dew point
8 °C
Gusts
3.2 km/h
Clouds
100 %
Pressure
1,015 hPa ↓

Grid point 1.0 km away · 3.0 km grid · elevation 82 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 11:00
24
Fair

Index set by Ozone

Ozone
60.0µg/m³
PM2.5
2.7µg/m³
PM10
3.6µg/m³
Nitrogen dioxide
1.0µg/m³
Sulphur dioxide
0.5µg/m³
Carbon monoxide
120.0µg/m³
Dust (AOD)
0.00

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

9 days

Each day's extremes and the chance of rain, out to the end of the run.

4° → 16°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Overcast34 %

    14°

    9°

  • Tue

    Overcast30 %

    16°

    8°

  • Wed

    Partly cloudy36 %

    16°

    7°

  • Thu

    Overcast36 %

    12°

    9°

  • Fri

    Clear sky

    14°

    5°

  • Sat

    Light drizzle1 mm

    14°

    4°

  • Sun

    Rain19 mm

    13°

    11°

  • Mon

    Light drizzle4 mm

    13°

    10°

  • Tue

    Light drizzle2 mm

    13°

    7°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV3low
Sunrise
07:33
Daylight
10 h 57
Sunset
18:30

Radiation · 6.0 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

1.3 mperiod 12 s 297°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in Arcata the mean temperature will be 11.5 °C — -0.4 °C against the normal for 19 October, measured from 1940 to 2026. (1,290 obs.)

Arcata climate — normals and trends →