Upper Guadalupe Slough, CA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Sun Sep 13	Sunny Close Hourly	71º / 56º	2%	WNW 17 mph	65%
5am	Partly Cloudy	59º	2%	WNW 1 mph	80%
6am	Mostly Clear	59º	2%	W 1 mph	80%
7am	Mostly Sunny	59º	2%	WNW 2 mph	80%
8am	Sunny	61º	2%	WNW 5 mph	78%
9am	Sunny	63º	1%	NW 8 mph	72%
10am	Sunny	65º	1%	NW 10 mph	66%
11am	Sunny	67º	0%	NW 11 mph	59%
12pm	Sunny	68º	0%	NW 11 mph	56%
1pm	Sunny	69º	0%	NW 13 mph	54%
2pm	Sunny	70º	0%	NW 14 mph	54%
3pm	Sunny	70º	0%	NW 15 mph	54%
4pm	Sunny	70º	0%	NW 17 mph	54%
5pm	Sunny	69º	0%	NW 16 mph	57%
6pm	Sunny	68º	1%	NW 14 mph	61%
7pm	Sunny	65º	2%	NW 12 mph	67%
8pm	Clear	64º	3%	NW 10 mph	72%
9pm	Mostly Clear	63º	4%	NW 7 mph	75%
10pm	Mostly Clear	61º	5%	NW 5 mph	78%
11pm	Partly Cloudy	60º	6%	NW 4 mph	82%
Mon Sep 14	Sunny View Hourly	79º / 56º	8%	NNW 14 mph	55%
12am	Partly Cloudy	60º	6%	NNW 3 mph	83%
1am	Mostly Clear	59º	7%	NNW 2 mph	85%
2am	Mostly Clear	59º	7%	N 1 mph	86%
3am	Clear	58º	7%	NE 1 mph	87%
4am	Clear	58º	8%	NNE 2 mph	87%
5am	Clear	57º	8%	ENE 2 mph	88%
6am	Clear	57º	8%	SE 1 mph	88%
7am	Sunny	57º	8%	E 1 mph	88%
8am	Sunny	59º	6%	E 1 mph	82%
9am	Sunny	63º	4%	NNW 2 mph	73%
10am	Sunny	66º	1%	NNW 3 mph	64%
11am	Sunny	69º	0%	NW 5 mph	56%
12pm	Sunny	73º	0%	NW 6 mph	48%
1pm	Sunny	75º	0%	NW 9 mph	43%
2pm	Sunny	77º	0%	NW 11 mph	39%
3pm	Sunny	78º	0%	NNW 13 mph	38%
4pm	Sunny	78º	0%	NNW 14 mph	40%
5pm	Sunny	76º	0%	NNW 14 mph	43%
6pm	Sunny	74º	0%	NNW 12 mph	48%
7pm	Sunny	70º	1%	NNW 10 mph	57%
8pm	Clear	67º	2%	NNW 8 mph	65%
9pm	Clear	65º	3%	NNW 6 mph	69%
10pm	Clear	63º	4%	NNW 5 mph	73%
11pm	Clear	62º	4%	N 4 mph	78%
Tue Sep 15	Sunny View Hourly	76º / 57º	7%	NNW 13 mph	64%
12am	Clear	60º	5%	N 3 mph	81%
1am	Clear	60º	6%	NNW 3 mph	83%
2am	Clear	59º	7%	N 2 mph	84%
3am	Clear	58º	7%	NNE 3 mph	86%
4am	Mostly Clear	58º	7%	N 2 mph	86%
Wed Sep 16	Partly Cloudy	72º / 58º	6%	W 13 mph	66%
Thu Sep 17	Partly Cloudy	74º / 57º	7%	NNW 13 mph	64%
Fri Sep 18	Partly Cloudy	75º / 57º	20%	NNW 13 mph	67%
Sat Sep 19	Partly Cloudy	74º / 57º	19%	NW 13 mph	67%
Sun Sep 20	Partly Cloudy	75º / 58º	6%	NW 13 mph	63%

Buoy Data
For Upper Guadalupe Slough, CA
Wind Forecast
In Upper Guadalupe Slough, CA
Radar
In Upper Guadalupe Slough, CA
Marine Forecast
In Upper Guadalupe Slough, CA

NOAA Weather Marine Forecast for Upper Guadalupe Slough, CA

Sunday

High : 62ºF
WNW wind 11 to 20 kt, with gusts as high as 27 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Sunday Night

Low : 54ºF
WNW wind 12 to 17 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 25 kt. Mostly clear. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Monday

High : 68ºF
Variable winds less than 5 kt becoming NW 9 to 14 kt in the afternoon. Winds could gust as high as 21 kt. Sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Monday Night

Low : 55ºF
WNW wind 5 to 14 kt becoming SW after midnight. Winds could gust as high as 21 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

Tuesday

High : 67ºF
Variable winds less than 5 kt becoming W 6 to 11 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.

Tuesday Night

Low : 56ºF
W wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 18 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

Wednesday

High : 71ºF
Variable winds less than 5 kt becoming W 6 to 11 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.

Wednesday Night

Low : 57ºF
W wind 7 to 12 kt becoming variable and less than 5 kt in the evening. Winds could gust as high as 19 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

Thursday

High : 74ºF
Variable winds less than 5 kt becoming WNW 5 to 9 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.

Current Weather Conditions In Upper Guadalupe Slough, CA

As Of: 2 minutes ago

Temperature: 59ºF
Feels Like: 59ºF

Wind Speed: 1mph
Direction: 0º (WNW)
Gusts: 1mph

Cloud Cover: Partly Cloudy
Visibility: 9mi

Pressure: 30.02"
Humidity: 80%
Dew Point: 0ºF

The weather right now in Upper Guadalupe Slough, CA is Partly Cloudy. The current temperature is 59°F, and the expected high and low for today, Sunday, September 13, 2026, are 71° high temperature and 56°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the West Northwest. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 59° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 80 percent, and air pressure at 30.02 in. Visibility is 9 nautical miles. There are 1 current weather alert(s).