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Arcata, CA Weather Tomorrow

Weather conditions can change quickly, so check tomorrow's Arcata forecast and the complete 5 day outlook with precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Arcata area.
Updated: Wed Jul 22nd 2026 4:45 PM PDT

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Arcata, CA Weather – 7-22 – Sunny
84° / 61°
Sunny
Arcata may see a sunny day, with daytime highs of 84°F and overnight lows near 61°F. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 7.7mph at 6 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 92% at 11 PM and 71% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 10 PM, a lowest point of 29.96inHg at 5 PM with an avg 30.03inHg.
Arcata, CA Weather – 7-23 – Sunny
79° / 48°

Weather Tomorrow

Sunny
Daytime highs will reach 79°F with lows dropping to 48°F in Arcata, where it will be sunny. There might be light rainfall having a 21% chance with an estimated 0.01in. Winds will be light at 8mph and gusts of 9mph at 2 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 100% at 2 AM and 45% being its lowest at 1 PM. Barometric pressure is its highest of 30.08inHg at 12 AM, a lowest point of 29.99inHg at 5 PM with an avg 30.03inHg.
Arcata, CA Weather – 7-24 – Sunny
80° / 47°
Sunny
Daytime highs will reach 80°F with lows dropping to 47°F in Arcata, where bright and sunny conditions. There's a very small chance of rainfall, only about 6% with an estimated 0in. Winds will be light at 8mph and gusts of 8.7mph at 2 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 95% at 2 AM and 33% being its lowest at 1 PM. Barometric pressure is its highest of 30.03inHg at 12 AM, a lowest point of 29.95inHg at 5 PM with an avg 29.98inHg.
Arcata, CA Weather – 7-25 – Sunny
77° / 46°
Sunny
In Arcata, bright and sunny conditions with highs near 77°F and lows around 46°F. There's a very small chance of rainfall, only about 6% with an estimated 0in. Winds will be light at 8mph and gusts of 8.5mph at 2 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 95% at 10 PM and 41% being its lowest at 3 PM. Barometric pressure is its highest of 30.06inHg at 11 PM, a lowest point of 30inHg at 5 PM with an avg 30.01inHg.
Arcata, CA Weather – 7-26 – Sunny
76° / 45°
Sunny
In Arcata, a sunny day is likely with a high near 76°F and a low around 45°F. There's a very small chance of rainfall, only about 7% with an estimated 0in. Winds will be light at 9mph and gusts of 9.5mph at 3 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 96% at 10 PM and 46% being its lowest at 1 PM. Barometric pressure is its highest of 30.1inHg at 10 PM, a lowest point of 30.02inHg at 2 PM with an avg 30.04inHg.
Arcata, CA Weather – 7-27 – Sunny
76° / 44°
Sunny
A sunny day is in the forecast for Arcata, with a high of 76°F and a low of 44°F. There's a very small chance of rainfall, only about 7% with an estimated 0in. Winds will be light at 9mph and gusts of 9.3mph at 2 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 97% at 11 PM and 39% being its lowest at 11 AM. Barometric pressure is its highest of 30.09inHg at 12 AM, a lowest point of 30inHg at 2 PM with an avg 30.03inHg.

Currently

Sunny 80°F
29.96 inHg.
Barometer
66%
Humidity
WNW 11.2 mph
Wind
Sunny

5 Day Forecast Nearby

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