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Weather in San Jacinto, United States 🇺🇸

Weather Forecast in San Jacinto

Current Weather in San Jacinto

Heat Advisory issued July 21 at 3:02AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Sunny
34°C
Feels like 33°C. Sunny.
🌬️ 20 km/h WNW
💧 18% Humidity
🧭 1015 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 7.9
🌡️ Dew Point: 15°C
🌅 Sunrise: 05:52 AM
🌇 Sunset: 07:56 PM
Map Overlays:

San Jacinto currently sits at 34°C, sunny, feeling like 33°C. Humidity sits at 18% and winds are near 20 km/h, and the UV index is 8 (very high). Across the coming days, San Jacinto should see roughly 17°C to 41°C. ⚠️ Heat Advisory issued July 21 at 3:02AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA

Hourly Forecast for San Jacinto

16:00
Sunny
36°
0%
17:00
Sunny
34°
0%
18:00
Sunny
32°
0%
19:00
Sunny
30°
1%
20:00
Clear
27°
1%
21:00
Clear
26°
2%
22:00
Clear
24°
2%
23:00
Clear
19°
2%
00:00
Clear
18°
3%
01:00
Clear
18°
3%
02:00
Clear
18°
3%
03:00
Clear
17°
3%
04:00
Clear
17°
4%
05:00
Clear
17°
4%
06:00
Sunny
17°
4%
07:00
Sunny
22°
2%
08:00
Sunny
23°
2%
09:00
Sunny
25°
2%
10:00
Sunny
28°
1%
11:00
Sunny
30°
1%
12:00
Sunny
32°
1%
13:00
Sunny
34°
1%
14:00
Sunny
36°
1%
15:00
Sunny
37°
1%

14-Day Forecast for San Jacinto

Tue, Jul 21
Sunny Sunny
38° / 19°
Wed, Jul 22
Sunny Sunny
37° / 17°
Thu, Jul 23
Sunny Sunny
41° / 20°
Fri, Jul 24
Sunny Sunny
40° / 21°
Sat, Jul 25
Sunny Sunny
40° / 21°
Sun, Jul 26
Sunny Sunny
39° / 21°
Mon, Jul 27
Sunny Sunny
38° / 20°
Tue, Jul 28
Sunny Sunny
37° / 19°
Wed, Jul 29
Sunny Sunny
37° / 18°
Thu, Jul 30
Sunny Sunny
41° / 18°
Fri, Jul 31
Sunny Sunny
39° / 19°
Sat, Aug 01
Sunny Sunny
41° / 19°
Sun, Aug 02
Sunny Sunny
42° / 20°
Mon, Aug 03
Sunny Sunny
36° / 16°

Additional Forecasts for San Jacinto

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 103.0 μg/m³
O₃ (Ozone) 87.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.6 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 6.3 μg/m³
PM10 (Coarse particles) 9.9 μg/m³

Historical Weather

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Best Time to Be Outside in San Jacinto Tomorrow

There is no good daylight window left in San Jacinto today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 24°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in San Jacinto

What is the temperature in San Jacinto right now?

San Jacinto is sitting at 34°C (93°F) right now, sunny (feels like 33°C).

What's the weather like in San Jacinto right now?

Conditions in San Jacinto right now: Sunny, humidity 18%, wind 20 km/h WNW.

What is today's forecast for San Jacinto?

Today in San Jacinto: high 38°C, low 19°C, sunny. Chance of rain: 1%.

What is the 7-day weather forecast for San Jacinto?

Daily highs and lows for San Jacinto:

  • 2026-07-21: 38°C / 19°C
  • 2026-07-22: 37°C / 17°C
  • 2026-07-23: 41°C / 20°C
  • 2026-07-24: 40°C / 21°C
  • 2026-07-25: 40°C / 21°C
  • 2026-07-26: 39°C / 21°C
  • 2026-07-27: 38°C / 20°C
Is it going to rain in San Jacinto today?

There is a 1% chance of rain in San Jacinto today.

What is the wind speed in San Jacinto right now?

Wind in San Jacinto is currently 20 km/h (13 mph) from the WNW.

What is the UV index in San Jacinto right now?

The UV index in San Jacinto is currently 7.9 (high). Sun protection is recommended when the index is 3 or higher.

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