Mad River Beach Weather Forecast
- 46
- 59
Gradual Clearing
- 50
- 61
Mostly Cloudy
- 49
- 60
Mostly Cloudy
- 52
- 63
Patchy Fog
- 53
- 64
Mostly Cloudy
- 50
- 62
Partly Sunny
Today 8 May Northern Humboldt Coast
Mostly cloudy until early afternoon then clearing. Patchy fog in the morning. Highs 58 to 68. Northwest wind around 10 Mph.
Tonight 8 May Northern Humboldt Coast
Partly cloudy in the evening then becoming mostly cloudy. Patchy fog overnight. Lows 41 to 51. North wind around 10 Mph.
Mad River Beach Temperature Statistics
May Temperature
Arcata / Eureka, Arcata Airport (3.1 miles)
Lowest 3 May, 2026
50.6 °FAverage May
54.5 °FHighest 4 May, 2026
59.6 °F
Climate (2021–Present)
Arcata / Eureka, Arcata Airport (3.1 miles)
Average Low 2021–2026
45.7 °FAverage 2021–2026
52.4 °FAverage High 2021–2026
59.6 °F