Arcata, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 65°F 18°C	Observed at: Arcata, CA	Elevation: 587 ft | 179 m
	Last Updated: July 27, 5:00 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 65°F | 18°C
	Pressure: 30.04 in | 1017.2 mb	Dewpoint: 60°F | 16°C
	Humidity: 85%	Wind: NNW 9 mph | NNW 14 kph
	Feels Like: 65°F | 18°C	Visibility: 31 mi | 49.9 km
	Lat/Long: 40.8665 | -124.0828	Sunrise: 6:08 AM   Sunset: 8:37 PM

7 Day Graphical Forecast

Valid: 4:14 PM 7/29/2026

Today Foggy 68 |53 °F 20 |12 °C 0% Chance Precipitation Tuesday Foggy 66 |53 °F 19 |12 °C 0% Chance Precipitation Wednesday Foggy 73 |53 °F 23 |12 °C 6% Chance Precipitation Thursday Overcast 76 |51 °F 24 |11 °C 1% Chance Precipitation Friday Clear 77 |54 °F 25 |12 °C 0% Chance Precipitation Saturday Partly Cloudy 72 |54 °F 22 |12 °C 1% Chance Precipitation Sunday Partly Cloudy 72 |53 °F 22 |12 °C 2% Chance Precipitation

7 Hour Graphical Forecast

Valid: 4:14 PM 7/29/2026

4 PM Clear 69 °F 1% Chance Precipitation

5 PM Partly Cloudy 67 °F 1% Chance Precipitation

6 PM Clear 66 °F 0% Chance Precipitation

7 PM Clear 63 °F 0% Chance Precipitation

8 PM Mostly Clear 59 °F 0% Chance Precipitation

9 PM Mostly Clear 53 °F 0% Chance Precipitation

10 PM Overcast 54 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Arcata, CA - (Fahrenheit & Celsius) Valid: 4:14 PM 7/29/2026 Today Foggy with a high near 68°F [20°C]. NW wind to around 10 mph [15 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 60°F [16°C] with humidity of 97%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.9. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Foggy with a low around 53°F [12°C]. NW wind to around 10 mph [15 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Foggy with a high near 66°F [19°C]. NNW wind to around 13 mph [20 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 60°F [16°C] with humidity of 100%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.85. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Foggy with a low around 53°F [12°C]. NNW wind to around 13 mph [20 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Wednesday Foggy with a high near 73°F [23°C]. NW wind to around 9 mph [15 kph], with gusts to near 13 mph [22 kph]. Dewpoint near 60°F [16°C] with humidity of 100%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.85. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Wednesday Night Foggy with a low around 53°F [12°C]. NW wind to around 9 mph [15 kph], with gusts to near 13 mph [22 kph]. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 76°F [24°C]. WNW wind to around 9 mph [14 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 60°F [16°C] with humidity of 96%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.85. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 51°F [11°C]. WNW wind to around 9 mph [14 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Clear with a high near 77°F [25°C]. WNW wind to around 8 mph [12 kph], with gusts to near 9 mph [14 kph]. Dewpoint near 60°F [16°C] with humidity of 95%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Clear with a low around 54°F [12°C]. WNW wind to around 8 mph [12 kph], with gusts to near 9 mph [14 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Partly Cloudy with a high near 72°F [22°C]. WNW wind to around 10 mph [15 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 60°F [16°C] with humidity of 97%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.75. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Saturday Night Partly Cloudy with a low around 54°F [12°C]. WNW wind to around 10 mph [15 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Sunday Partly Cloudy with a high near 72°F [22°C]. W wind to around 8 mph [13 kph], with gusts to near 10 mph [17 kph]. Dewpoint near 60°F [16°C] with humidity of 98%. Pressure around 30.04 in [1017.2 mb]. UV Index: 7.75. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Sunday Night Partly Cloudy with a low around 53°F [12°C]. W wind to around 8 mph [13 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Arcata, CA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Arcata, CA

Today: NW @ 15 kph | 10 mph

Tonight: NW @ 15 kph | 10 mph

Tuesday: NNW @ 20 kph | 13 mph

Tuesday Night: NNW @ 20 kph | 13 mph

Wednesday: NW @ 15 kph | 9 mph

Wednesday Night: NW @ 15 kph | 9 mph

Thursday: WNW @ 14 kph | 9 mph

Thursday Night: WNW @ 14 kph | 9 mph

Friday: WNW @ 12 kph | 8 mph

Friday Night: WNW @ 12 kph | 8 mph

Saturday: WNW @ 15 kph | 10 mph

Saturday Night: WNW @ 15 kph | 10 mph

Sunday: W @ 13 kph | 8 mph

Sunday Night: W @ 13 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for Arcata, CA

Today: 97 %

Tonight: 97 %

Tuesday: 100 %

Tuesday Night: 100 %

Wednesday: 100 %

Wednesday Night: 100 %

Thursday: 96 %

Thursday Night: 96 %

Friday: 95 %

Friday Night: 95 %

Saturday: 97 %

Saturday Night: 97 %

Sunday: 98 %

Sunday Night: 98 %

7 Day and Night - Snowfall Totals Forecast for Arcata, CA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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