National City, San Diego Bay, CA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Wed Sep 23	Mostly Sunny Close Hourly	78º / 67º	3%	W 10 mph	73%
8am	Mostly Cloudy	69º	2%	N 1 mph	84%
9am	Partly Cloudy	70º	2%	NW 1 mph	80%
10am	Partly Cloudy	73º	1%	WNW 3 mph	74%
11am	Sunny	76º	1%	W 6 mph	69%
12pm	Sunny	77º	1%	W 9 mph	68%
1pm	Sunny	77º	1%	W 10 mph	68%
2pm	Mostly Sunny	77º	1%	W 10 mph	68%
3pm	Mostly Sunny	77º	2%	W 9 mph	69%
4pm	Mostly Sunny	76º	2%	WSW 9 mph	69%
5pm	Mostly Sunny	75º	3%	WSW 7 mph	71%
6pm	Mostly Sunny	74º	4%	WSW 6 mph	75%
7pm	Mostly Clear	72º	5%	W 5 mph	81%
8pm	Mostly Clear	71º	6%	W 4 mph	84%
9pm	Partly Cloudy	70º	7%	W 3 mph	86%
10pm	Partly Cloudy	69º	20%	W 2 mph	87%
11pm	Partly Cloudy	69º	20%	W 2 mph	88%
Thu Sep 24	AM Clouds/PM Sun View Hourly	77º / 68º	20%	W 9 mph	76%
12am	Mostly Cloudy	69º	20%	W 2 mph	87%
1am	Cloudy	69º	20%	NW 2 mph	87%
2am	Mostly Cloudy	69º	20%	WNW 2 mph	87%
3am	Cloudy	69º	20%	WNW 2 mph	87%
4am	Mostly Cloudy	68º	20%	WNW 2 mph	88%
5am	Cloudy	68º	20%	WSW 2 mph	89%
6am	Cloudy	68º	23%	W 2 mph	88%
7am	Cloudy	68º	20%	NNE 2 mph	87%
8am	Cloudy	69º	20%	NW 3 mph	86%
9am	Cloudy	71º	19%	WNW 3 mph	82%
10am	Mostly Cloudy	73º	5%	W 4 mph	76%
11am	Mostly Cloudy	75º	4%	W 6 mph	73%
12pm	Partly Cloudy	76º	4%	W 8 mph	71%
1pm	Partly Cloudy	77º	6%	W 9 mph	71%
2pm	Mostly Cloudy	76º	7%	W 9 mph	72%
3pm	Mostly Cloudy	77º	8%	W 9 mph	71%
4pm	Mostly Cloudy	76º	10%	W 9 mph	74%
5pm	Partly Cloudy	75º	7%	W 7 mph	74%
6pm	Partly Cloudy	74º	5%	W 7 mph	77%
7pm	Partly Cloudy	72º	6%	W 6 mph	81%
8pm	Partly Cloudy	71º	6%	W 4 mph	85%
9pm	Partly Cloudy	71º	7%	W 4 mph	86%
10pm	Mostly Clear	70º	7%	WNW 3 mph	87%
11pm	Partly Cloudy	70º	7%	WNW 3 mph	88%
Fri Sep 25	Partly Cloudy View Hourly	81º / 69º	8%	WNW 10 mph	73%
12am	Partly Cloudy	70º	7%	WNW 2 mph	87%
1am	Partly Cloudy	70º	8%	NW 2 mph	88%
2am	Partly Cloudy	70º	8%	NW 2 mph	87%
3am	Partly Cloudy	70º	8%	NW 2 mph	87%
4am	Mostly Cloudy	69º	8%	NW 3 mph	88%
5am	Mostly Cloudy	69º	8%	NW 2 mph	88%
6am	Partly Cloudy	69º	8%	NNW 2 mph	88%
7am	Mostly Cloudy	69º	8%	N 2 mph	87%
Sat Sep 26	Partly Cloudy	84º / 71º	4%	WNW 9 mph	65%
Sun Sep 27	Partly Cloudy	81º / 68º	11%	WNW 9 mph	65%
Mon Sep 28	Mostly Sunny	80º / 67º	15%	WNW 11 mph	65%
Tue Sep 29	Sunny	87º / 72º	4%	NW 9 mph	50%
Wed Sep 30	Sunny	87º / 70º	0%	WNW 9 mph	44%

Buoy Data
For National City, San Diego Bay, CA
Wind Forecast
In National City, San Diego Bay, CA
Radar
In National City, San Diego Bay, CA
Marine Forecast
In National City, San Diego Bay, CA

NOAA Weather Marine Forecast for National City, San Diego Bay, CA

Today

High : 75ºF
Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Tonight

Low : 70ºF
Variable winds 5 kt or less. Increasing clouds. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday

High : 75ºF
Variable winds 5 kt or less. Cloudy through mid morning, then gradual clearing. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Thursday Night

Low : 70ºF
Variable winds 5 kt or less. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Friday

High : 78ºF
NNW wind 5 to 10 kt becoming W in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

Friday Night

Low : 71ºF
Variable winds 5 kt or less. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Saturday

High : 79ºF
NNW wind 5 to 10 kt becoming W in the morning. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.

Saturday Night

Low : 71ºF
Variable winds 5 kt or less. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Sunday

High : 76ºF
NNW wind 5 to 10 kt becoming W in the morning. Partly sunny. N swell 0 ft. Wind waves 1 ft or less.

Current Weather Conditions In National City, San Diego Bay, CA

As Of: 2 minutes ago

Temperature: 69ºF
Feels Like: 69ºF

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

Cloud Cover: Mostly Cloudy
Visibility: 10mi

Pressure: 29.86"
Humidity: 84%
Dew Point: 0ºF

The weather right now in National City, San Diego Bay, CA is Mostly Cloudy. The current temperature is 69°F, and the expected high and low for today, Wednesday, September 23, 2026, are 78° high temperature and 67°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the North. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 69° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 84 percent, and air pressure at 29.86 in. Visibility is 10 nautical miles. There are no current weather alert(s).