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Weather in National City, United States 🇺🇸

Weather Forecast in National City

Current Weather in National City

Beach Hazards Statement issued July 24 at 1:59PM PDT until July 26 at 8:00PM PDT by NWS San Diego CA
Overcast
21°C
Feels like 21°C. Overcast.
🌬️ 6 km/h WSW
💧 81% Humidity
🧭 1013 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 19°C
🌅 Sunrise: 05:57 AM
🌇 Sunset: 07:52 PM
Map Overlays:

National City currently sits at 21°C, overcast, feeling like 21°C. Humidity is 81% with winds around 6 km/h, and the UV index is 0 (low). Looking ahead, National City should sit between roughly 19°C and 28°C over the coming days. ⚠️ Beach Hazards Statement issued July 24 at 1:59PM PDT until July 26 at 8:00PM PDT by NWS San Diego CA

Hourly Forecast for National City

03:00
Fog
19°
36%
04:00
Fog
19°
37%
05:00
Fog
19°
38%
06:00
Fog
19°
37%
07:00
Fog
19°
37%
08:00
Fog
20°
38%
09:00
Fog
20°
35%
10:00
Fog
20°
36%
11:00
Sunny
27°
3%
12:00
Sunny
27°
3%
13:00
Overcast
28°
12%
14:00
Partly Cloudy
28°
4%
15:00
Sunny
28°
3%
16:00
Sunny
28°
3%
17:00
Sunny
27°
3%
18:00
Sunny
26°
3%
19:00
Sunny
26°
3%
20:00
Clear
25°
4%
21:00
Clear
25°
4%
22:00
Clear
25°
4%
23:00
Clear
25°
4%
00:00
Clear
25°
4%
01:00
Clear
25°
4%
02:00
Clear
24°
5%

14-Day Forecast for National City

Sat, Jul 25
Sunny Sunny
28° / 19°
Sun, Jul 26
Sunny Sunny
28° / 23°
Mon, Jul 27
Sunny Sunny
28° / 23°
Tue, Jul 28
Sunny Sunny
27° / 22°
Wed, Jul 29
Sunny Sunny
26° / 21°
Thu, Jul 30
Sunny Sunny
28° / 21°
Fri, Jul 31
Sunny Sunny
29° / 23°
Sat, Aug 01
Sunny Sunny
28° / 23°
Sun, Aug 02
Sunny Sunny
28° / 22°
Mon, Aug 03
Sunny Sunny
26° / 22°
Tue, Aug 04
Sunny Sunny
26° / 22°
Wed, Aug 05
Sunny Sunny
27° / 23°
Thu, Aug 06
Sunny Sunny
27° / 23°
Fri, Aug 07
Sunny Sunny
26° / 22°

Additional Forecasts for National City

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 104.0 μg/m³
O₃ (Ozone) 20.0 μg/m³
NO₂ (Nitrogen Dioxide) 24.7 μg/m³
SO₂ (Sulphur Dioxide) 1.0 μg/m³
PM2.5 (Fine particles) 9.0 μg/m³
PM10 (Coarse particles) 12.1 μg/m³

Historical Weather

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Best Time to Be Outside in National City Today

The most comfortable window in National City today looks like 19:00 to 19:00, when it is around 26°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in National City

What is the temperature in National City right now?

It is currently 21°C (70°F) in National City, overcast (feels like 21°C).

What's the weather like in National City right now?

Conditions in National City right now: Overcast, humidity 81%, wind 6 km/h WSW.

What is today's forecast for National City?

Today in National City: high 28°C, low 19°C, sunny. Chance of rain: 21%.

What is the 7-day weather forecast for National City?

Daily highs and lows for National City:

  • 2026-07-25: 28°C / 19°C
  • 2026-07-26: 28°C / 23°C
  • 2026-07-27: 28°C / 23°C
  • 2026-07-28: 27°C / 22°C
  • 2026-07-29: 26°C / 21°C
  • 2026-07-30: 28°C / 21°C
  • 2026-07-31: 29°C / 23°C
Is it going to rain in National City today?

There is a 21% chance of rain in National City today. Total expected precipitation: 0.12 mm.

What is the wind speed in National City right now?

Wind in National City is currently 6 km/h (4 mph) from the WSW.

What is the UV index in National City right now?

The UV index in National City is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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