Expires:202512221500;;992244 FPUS56 KEKA 212146 ZFPEKA Zone Forecast Product for California National Weather Service Eureka CA 146 PM PST Sun Dec 21 2025 This is an average forecast over a large and geographically diverse area. For a specific forecast for your location...please refer to the point and click forecast on our webpage at: www.weather.gov/eureka. Spot temperatures and probabilities of measurable precipitation are for tonight, Monday, Monday night, and Tuesday. CAZ103-221500- Northern Humboldt Coast- 146 PM PST Sun Dec 21 2025 ...FLOOD WATCH IN EFFECT UNTIL 10 PM PST THIS EVENING... .TONIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain showers overnight. Lows 41 to 51. Southwest wind around 10 mph shifting to the southeast overnight. .MONDAY...Mostly cloudy. Chance of rain showers. Highs 49 to 59. South wind up to 10 mph. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers in the evening, then rain likely overnight. Lows 37 to 47. Southeast wind around 10 mph. .TUESDAY...Rain. Highs 47 to 57. East wind around 5 mph. .TUESDAY NIGHT...Rain. Lows 38 to 48. East wind 5 to 15 mph. .WEDNESDAY...Rain. Highs 48 to 58. South wind 5 to 15 mph. .WEDNESDAY NIGHT AND CHRISTMAS DAY...Rain. Lows 38 to 48. Highs 47 to 58. .THURSDAY NIGHT...Rain likely. Lows 35 to 45. .FRIDAY...Rain likely. Highs 46 to 56. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of rain. Lows 32 to 42. .SATURDAY...Mostly sunny. Slight chance of rain. Highs 48 to 58. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows 33 to 43. Highs 48 to 60. && TEMPERATURE / PRECIPITATION McKinleyville 46 54 43 51 / 80 60 50 90 Arcata 46 54 42 51 / 80 60 50 90 Eureka 47 55 43 51 / 70 60 50 90 Fortuna 45 55 42 51 / 70 50 40 90 $$