National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Eureka WFO (EKA01)

Lat: 40.8098°NLon: 124.1602°WElev: 20.0ft.

Mostly Cloudy

57°F

14°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Overnight

    Overnight: A slight chance of rain before 2am, then a slight chance of drizzle after 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of drizzle before 8am. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 64 °F

    Slight Chance
    Drizzle and
    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of drizzle after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. North northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of drizzle before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Drizzle and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Northwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 53.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of rain after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain and
    Areas Fog

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

Detailed Forecast

Overnight
A slight chance of rain before 2am, then a slight chance of drizzle after 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of drizzle before 8am. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A slight chance of drizzle after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. North northwest wind 5 to 10 mph becoming light north in the evening.
Sunday
A slight chance of drizzle before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53. Northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 53.
Tuesday
A slight chance of rain after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 63.
Tuesday Night
A slight chance of rain before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 53.
Wednesday
A slight chance of rain after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Thursday
A chance of rain. Mostly cloudy, with a high near 62.
Thursday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
Last Update:
8:54 pm PDT Aug 28, 2026
Forecast Valid:
1am PDT Aug 29, 2026-6pm PDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation