🇺🇸 Weather in Irvine
Current Weather in Irvine
Heat Advisory issued September 9 at 2:58AM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
35°C
Feels like 35°C. Patchy rain nearby.
Map Overlays:
Hourly Forecast for Irvine
20:00
32°
1%
21:00
31°
2%
22:00
31°
1%
23:00
30°
1%
00:00
28°
2%
01:00
28°
2%
02:00
27°
2%
03:00
27°
3%
04:00
26°
3%
05:00
26°
3%
06:00
26°
12%
07:00
26°
6%
08:00
27°
9%
09:00
29°
10%
10:00
30°
1%
11:00
32°
7%
12:00
33°
1%
13:00
34°
1%
14:00
34°
1%
15:00
34°
1%
16:00
32°
1%
17:00
31°
1%
18:00
30°
1%
19:00
29°
1%
14-Day Forecast for Irvine
2026-09-09
Sunny
42° /
26°
2026-09-10
Sunny
34° /
26°
2026-09-11
Sunny
31° /
24°
2026-09-12
Sunny
28° /
21°
2026-09-13
Sunny
28° /
20°
2026-09-14
Sunny
27° /
20°
2026-09-15
Sunny
27° /
19°
Additional Forecasts for Irvine
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 179.0 μg/m³
O₃ (Ozone) 46.0 μg/m³
NO₂ (Nitrogen Dioxide) 21.6 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 7.7 μg/m³
PM10 (Coarse particles) 13.7 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Irvine — FAQ
Answers refreshed each request based on current conditions in Irvine.
What is the weather like right now in Irvine?
Right now in Irvine, United States the temperature is 35.3°C (feels like 34.8°C), with patchy rain nearby. Relative humidity is 29% and wind is 10.1 km/h.
What is today's high and low temperature in Irvine?
Today's forecast high in Irvine is 42.1°C and the overnight low is 25.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Irvine today?
The chance of precipitation in Irvine today is 4%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Irvine differ from nearby cities?
Even short distances can change temperatures noticeably. Irvine's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.