10-day forecast for Arcata, CA: 42° to 76°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Saturday, October 17
58°
Worst day: Monday, October 19
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1873° / 44°0
Morning44°feels 43°
Afternoon72°feels 73°
Evening53°feels 52°
Overnight49°feels 49°
73 °
Arcata, Sunday, 18 October
Overcast. High 73°, low 44°.
Pressure30.03 inHg
Wind3.4 mph W
Humidity89%
Visibility2.7 mi
Dew point53°
Mon, 1958° / 42°0
Morning42°feels 42°
Afternoon58°feels 56°
Evening51°feels 50°
Overnight45°feels 44°
58 °
Arcata, Monday, 19 October
Light rain. High 58°, low 42°.
Pressure29.97 inHg
Wind1.2 mph SW
Humidity68%
Visibility6.2 mi
Dew point46°
Tue, 2059° / 46°0
Morning47°feels 47°
Afternoon58°feels 56°
Evening52°feels 51°
Overnight46°feels 46°
59 °
Arcata, Tuesday, 20 October
Overcast. High 59°, low 46°.
Pressure29.91 inHg
Wind3.6 mph SW
Humidity63%
Visibility6.2 mi
Dew point44°
Wed, 2162° / 48°0.01
Morning49°feels 49°
Afternoon62°feels 61°
Evening54°feels 54°
Overnight48°feels 48°
62 °
Arcata, Wednesday, 21 October
Light rain. High 62°, low 48°.
Pressure29.91 inHg
Wind2.5 mph NW
Humidity76%
Visibility6.2 mi
Dew point52°
Thu, 2259° / 51°0
Morning53°feels 53°
Afternoon58°feels 57°
Evening53°feels 51°
Overnight51°feels 51°
59 °
Arcata, Thursday, 22 October
Overcast. High 59°, low 51°.
Pressure30.03 inHg
Wind6.8 mph NW
Humidity76%
Visibility—
Dew point50°
Fri, 2359° / 48°0
Morning53°feels 52°
Afternoon57°feels 56°
Evening48°feels 47°
Overnight49°feels 49°
59 °
Arcata, Friday, 23 October
Clear. High 59°, low 48°.
Pressure30.15 inHg
Wind6 mph NW
Humidity73%
Visibility—
Dew point49°
Sat, 2467° / 50°0
Morning56°feels 53°
Afternoon65°feels 62°
Evening56°feels 53°
Overnight56°feels 53°
67 °
Arcata, Saturday, 24 October
Overcast. High 67°, low 50°.
Pressure30.09 inHg
Wind5 mph W
Humidity31%
Visibility—
Dew point33°
Sun, 2568° / 54°0
Morning58°feels 55°
Afternoon63°feels 61°
Evening55°feels 52°
Overnight56°feels 53°
68 °
Arcata, Sunday, 25 October
Overcast. High 68°, low 54°.
Pressure30.00 inHg
Wind4.6 mph W
Humidity30%
Visibility—
Dew point31°
Mon, 2666° / 52°0
Morning58°feels 56°
Afternoon63°feels 61°
Evening53°feels 51°
Overnight53°feels 50°
66 °
Arcata, Monday, 26 October
Overcast. High 66°, low 52°.
Pressure29.80 inHg
Wind5.3 mph NW
Humidity41%
Visibility—
Dew point40°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Arcata, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.