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Weather in Rancho San Diego, United States 🇺🇸

Weather Forecast in Rancho San Diego

Current Weather in Rancho San Diego

Heat Advisory issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Sunny
25°C
Feels like 27°C. Sunny.
🌬️ 9 km/h WSW
💧 61% Humidity
🧭 1016 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 3.5
🌡️ Dew Point: 18°C
🌅 Sunrise: 05:54 AM
🌇 Sunset: 07:53 PM
Map Overlays:

In Rancho San Diego right now it is 25°C and sunny, feeling like 27°C. Humidity is 61% with winds around 9 km/h, and the UV index is 4 (moderate). Across the coming days, Rancho San Diego should see roughly 18°C to 36°C. ⚠️ Heat Advisory issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA

Hourly Forecast for Rancho San Diego

10:00
Sunny
28°
3%
11:00
Sunny
32°
1%
12:00
Sunny
34°
1%
13:00
Sunny
35°
1%
14:00
Sunny
36°
0%
15:00
Sunny
35°
0%
16:00
Sunny
34°
0%
17:00
Sunny
32°
1%
18:00
Sunny
30°
1%
19:00
Sunny
27°
1%
20:00
Clear
25°
2%
21:00
Clear
24°
3%
22:00
Clear
23°
4%
23:00
Clear
24°
2%
00:00
Clear
24°
3%
01:00
Clear
23°
4%
02:00
Clear
23°
5%
03:00
Clear
23°
6%
04:00
Clear
22°
7%
05:00
Clear
22°
8%
06:00
Sunny
22°
7%
07:00
Sunny
23°
6%
08:00
Sunny
24°
4%
09:00
Sunny
26°
4%

14-Day Forecast for Rancho San Diego

Tue, Jul 21
Sunny Sunny
36° / 18°
Wed, Jul 22
Sunny Sunny
31° / 22°
Thu, Jul 23
Sunny Sunny
33° / 22°
Fri, Jul 24
Sunny Sunny
33° / 22°
Sat, Jul 25
Sunny Sunny
34° / 22°
Sun, Jul 26
Sunny Sunny
32° / 22°
Mon, Jul 27
Sunny Sunny
29° / 23°
Tue, Jul 28
Sunny Sunny
31° / 21°
Wed, Jul 29
Sunny Sunny
32° / 22°
Thu, Jul 30
Sunny Sunny
35° / 24°
Fri, Jul 31
Sunny Sunny
35° / 24°
Sat, Aug 01
Sunny Sunny
32° / 23°
Sun, Aug 02
Sunny Sunny
32° / 22°
Mon, Aug 03
Sunny Sunny
30° / 21°

Additional Forecasts for Rancho San Diego

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 141.0 μg/m³
O₃ (Ozone) 63.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.6 μg/m³
SO₂ (Sulphur Dioxide) 2.0 μg/m³
PM2.5 (Fine particles) 9.5 μg/m³
PM10 (Coarse particles) 14.0 μg/m³

Historical Weather

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Best Time to Be Outside in Rancho San Diego Today

The most comfortable window in Rancho San Diego today looks like 19:00 to 19:00, when it is around 27°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Rancho San Diego

What is the temperature in Rancho San Diego right now?

Rancho San Diego is sitting at 25°C (78°F) right now, sunny (feels like 27°C).

What's the weather like in Rancho San Diego right now?

Conditions in Rancho San Diego right now: Sunny, humidity 61%, wind 9 km/h WSW.

What is today's forecast for Rancho San Diego?

Today in Rancho San Diego: high 36°C, low 18°C, sunny. Chance of rain: 4%.

What is the 7-day weather forecast for Rancho San Diego?

Daily highs and lows for Rancho San Diego:

  • 2026-07-21: 36°C / 18°C
  • 2026-07-22: 31°C / 22°C
  • 2026-07-23: 33°C / 22°C
  • 2026-07-24: 33°C / 22°C
  • 2026-07-25: 34°C / 22°C
  • 2026-07-26: 32°C / 22°C
  • 2026-07-27: 29°C / 23°C
Is it going to rain in Rancho San Diego today?

There is a 4% chance of rain in Rancho San Diego today.

What is the wind speed in Rancho San Diego right now?

Wind in Rancho San Diego is currently 9 km/h (6 mph) from the WSW.

What is the UV index in Rancho San Diego right now?

The UV index in Rancho San Diego is currently 3.5 (moderate). Sun protection is recommended when the index is 3 or higher.

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