Port San Luis, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 3
Mostly Cloudy
Close Hourly
62º / 59º 20% NW 17 mph 91%
7am Mostly Cloudy 61º 17% NNW 17 mph 91%
8am Mostly Cloudy 61º 15% NNW 16 mph 91%
9am Mostly Cloudy 61º 15% NNW 15 mph 91%
10am Mostly Cloudy 61º 15% NW 15 mph 92%
11am Cloudy 62º 15% NW 15 mph 91%
12pm Cloudy 62º 15% NW 14 mph 91%
1pm Mostly Cloudy 62º 5% NW 14 mph 91%
2pm Mostly Cloudy 62º 8% NW 14 mph 91%
3pm Mostly Cloudy 62º 20% NW 14 mph 91%
4pm Mostly Cloudy 62º 20% NW 15 mph 92%
5pm Mostly Cloudy 62º 20% NW 15 mph 93%
6pm Mostly Cloudy 62º 20% NW 14 mph 91%
7pm Mostly Cloudy 62º 20% NW 14 mph 92%
8pm Cloudy 62º 20% NW 14 mph 92%
9pm Foggy 62º 18% NW 13 mph 91%
10pm Foggy 62º 20% NW 12 mph 91%
11pm Cloudy 62º 15% NW 12 mph 92%
Tue
Aug 4
Mostly Cloudy
View Hourly
63º / 59º 21% WNW 9 mph 92%
12am Foggy 61º 17% NW 11 mph 93%
1am Foggy 61º 18% NW 10 mph 93%
2am Foggy 61º 16% NW 10 mph 91%
3am Foggy 61º 15% WNW 10 mph 92%
4am Foggy 61º 17% WNW 9 mph 91%
5am Foggy 61º 17% WNW 8 mph 92%
6am Foggy 60º 21% WNW 8 mph 94%
7am Cloudy 60º 16% WNW 7 mph 94%
8am Cloudy 60º 21% WNW 6 mph 93%
9am Cloudy 61º 21% WNW 6 mph 92%
10am Cloudy 61º 8% WNW 6 mph 92%
11am Cloudy 61º 20% WNW 6 mph 91%
12pm Cloudy 62º 8% WNW 6 mph 90%
1pm Mostly Cloudy 62º 8% WNW 7 mph 91%
2pm Mostly Cloudy 62º 8% WNW 7 mph 91%
3pm Mostly Cloudy 62º 8% WNW 8 mph 90%
4pm Mostly Cloudy 62º 21% WNW 8 mph 90%
5pm Mostly Cloudy 62º 15% WNW 8 mph 92%
6pm Mostly Cloudy 62º 21% WNW 9 mph 93%
7pm Mostly Cloudy 62º 15% WNW 9 mph 93%
8pm Mostly Cloudy 62º 16% WNW 9 mph 93%
9pm Mostly Cloudy 62º 9% WNW 8 mph 92%
10pm Cloudy 61º 16% WNW 8 mph 92%
11pm Cloudy 61º 15% WNW 7 mph 93%
Wed
Aug 5
AM Clouds/PM Sun
View Hourly
63º / 59º 11% WNW 8 mph 91%
12am Cloudy 61º 10% WNW 7 mph 93%
1am Cloudy 61º 10% WNW 7 mph 93%
2am Cloudy 61º 10% WNW 6 mph 91%
3am Cloudy 61º 12% WNW 6 mph 92%
4am Cloudy 60º 17% WNW 6 mph 93%
5am Cloudy 60º 21% WNW 5 mph 93%
6am Cloudy 60º 10% WNW 5 mph 94%
Thu
Aug 6
Partly Cloudy 62º / 60º 11% NW 11 mph 92%
Fri
Aug 7
Mostly Sunny 62º / 61º 20% NW 16 mph 94%
Sat
Aug 8
Sunny 63º / 61º 7% NW 16 mph 93%
Sun
Aug 9
Mostly Sunny 63º / 60º 7% NNW 19 mph 91%
Mon
Aug 10
Partly Cloudy 62º / 60º 7% NNW 16 mph 91%

Weather Radar for Port San Luis, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port San Luis, CA

Today
High : 80ºF
Patchy dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Tonight
Low : 55ºF
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55. West wind around 5 mph becoming calm in the evening.
Tuesday
High : 77ºF
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 77. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Low : 55ºF
Increasing clouds, with a low around 55. West wind around 5 mph becoming calm in the evening.
Wednesday
High : 80ºF
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Wednesday Night
Low : 57ºF
Partly cloudy, with a low around 57.
Thursday
High : 75ºF
Mostly sunny, with a high near 75.
Thursday Night
Low : 60ºF
Mostly clear, with a low around 60.
Friday
High : 77ºF
Mostly sunny, with a high near 77.
Friday Night
Low : 61ºF
Mostly clear, with a low around 61.
Saturday
High : 77ºF
Mostly sunny, with a high near 77.
Saturday Night
Low : 61ºF
Mostly clear, with a low around 61.
Sunday
High : 75ºF
Mostly sunny, with a high near 75.

NOAA Buoy Data Near Port San Luis, CA See Map

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    Wind Speed Forecast for Port San Luis, CA

    MondayTuesdayWednesday
    Wind Speed (MPH) 171514141210768976
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 171514141210768976
    DIR NNWNWNWNWNWWNWWNWWNWWNWWNWWNWWNW

    Current Weather Conditions In Port San Luis, CA

    As Of: 6 minutes ago

    • 61ºF
    • 59ºF
    • 17mph
    • 0º (NNW)
    • 17mph
    • Mostly Cloudy
    • 6mi
    • 29.86"
    • 91%
    • 0ºF

    The weather right now in Port San Luis, CA is Mostly Cloudy. The current temperature is 61°F, and the expected high and low for today, Monday, August 3, 2026, are 62° high temperature and 59°F low temperature. The wind is currently blowing at 17 miles per hour, and coming from the North Northwest. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 59° Fahrenheit. Expected precipitation is 17 percent, with current humidity at 91 percent, and air pressure at 29.86 in. Visibility is 6 nautical miles. There are no current weather alert(s).