At an airfield/4.6 mi away/52 ft/45 ft below here
temp, wind, gust, visibility, precip, pressure
Weather/California/Irvine
Irvine, California
City in Orange County, CaliforniaWind Advisory, in full · Every severe alert
* WHAT...For the Heat Advisory, temperatures up to 95. For the Wind Advisory, northeast to east winds 15 mph with gusts 25 to 35 mph. * WHERE...Orange County Inland Areas. * WHEN...For the Heat Advisory, until 8 PM PDT this evening. For the Wind Advisory, until noon PDT today. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Moderate to locally major HeatRisk. Those sensitive to heat may be impacted.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
76°
90°/74°
Mostly clear·
Feels like 76°·Light breeze 5 mph NW
Alert. A Wind Advisory is in force for Irvine until 12 PM today. 2 more alerts are in force here as well. Read the alert in full, and see what it means in the Field Book.
Now. Irvine is 76° and mostly clear at 4 AM. The dew point is 51°, so the air feels dry and comfortable. Light breeze from the northwest at 5 mph.
Today and tonight. It warms to about 88° by 12 PM. Tonight falls to about 68° by 5 AM, under a mostly clear sky. No rain is expected for the rest of the day. The sun is strong around midday: UV index 6, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is tomorrow, near 86°, and the coolest Thursday, near 68°. Rain is likely Wednesday (77%) and Thursday (56%). Rain is possible Tuesday (31%).
The sky tonight. The sun sets at 6:15 PM. The Moon is a waxing crescent, 43% lit, and sets at 11:30 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 19 minutes long, 2 minutes shorter than yesterday.
0UV Low
34Air quality
43%Humidity
36%Cloud
Now
4:00 AM
76feels76
now, mostly clear
Today
Oct 17
9074
UV 6
Sun
Oct 18
8667
UV 6
Mon
Oct 19
8166
UV 6
Tue
Oct 20
7563
31%
UV 6
Wed
Oct 21
7161
77%
Thu
Oct 22
6860
56%
Fri
Oct 23
7058
UV 6
76°
90°74°
86°67°
81°66°
75°63°
71°61°
68°60°
70°58°
As of 4:00 AM in Irvine, California.
Air quality
The air at Irvine
Index 34, good, led by ozone. Read at 3 AM from its reporting area, Saddleback Vly (CA), 7 miles off.
34Good
- Fine particles (PM2.5)18Good7.4 mi
- Ozone34Good38 ppb7.4 mi
- Coarse particles (PM10)19Good7.4 mi
- Nitrogen dioxide6Good6.3 ppb12.1 mi
- Carbon monoxide-0.2 ppm12.1 mi
The days ahead
Good each day through Today, led by ozone. Yesterday measured 42, good.
GoodModerate
- 42YesterdayOct 16
- 46TodayOct 17
Smoke, the next 44 hours
Smoke near the ground peaks at index 64, moderate, Sat 10 PM.
Precipitation
What has fallen at Irvine
None in the last 3 days, to Sat 3 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Irvine, the next 44 hours
Visibility stays 10 miles or more through Sun 11 PM.
F
Now, today, and the week
On the radar over Irvine, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 7 instruments nearest Irvine, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.5 miles away.
measured now5 instruments
Rank2of 4,461
Citizen station EW7328EW7328
In a volunteer observer's own ground/4.8 mi away/72 ft/25 ft below here
temp, humidity, wind, precip, pressure
Laguna BeachNPRC1
At a river or reservoir gauge/5.5 mi away/951 ft/854 ft above here
temp, wind, gust, humidity, pressure
I-15 : Jurupa AvenueCF174
Beside a road/28.6 mi away/908 ft/811 ft above here
temp, pavement temp, wind, visibility, precip
Fallbrook 5 NE53151
At a climate reference station/38.7 mi away/1,140 ft/1,043 ft above here
temp, humidity, wind, solar, precip
measured daily2 instruments
Irvine 4.1 NNECA-OR-27
In a volunteer observer's own ground/2.5 mi away/152 ft/55 ft above here
precip, snowfall, snow depth
Irvine RanchIVRC1
On a farm or research station/4.5 mi away/535 ft/438 ft above here
snowfall, snow depth, precip, high, low
Station report
The weather at Santa Ana/Jon-Wayne, drawn
The nearest airport reporting now, 4.6 mi from Irvine, California. From its report of Oct 17, 2026, 3:53 AM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
75.0 F with a dew point of 49.0 F, 40 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,900 ft up.
The wind
From the southwest (220 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in California
33 places, each with its own forecast and its own instruments.
Big Bear Mountainski areaBishopcityBridgeporttownChina Peakski areaDodge Ridgeski areaDonner PassfeatureFresnocityHeavenlysurveyed ski areaHomewoodski areaJune Mountainski areaKirkwoodsurveyed ski areaLos AngelescityMammoth LakestownMammoth Mountainsurveyed ski areaMount ShastafeatureMount Shasta CitycityMount Shasta Ski Parkski areaMount WhitneyfeatureMountain Highski areaNorthstarsurveyed ski areaPalisades Tahoesurveyed ski areaReddingcitySacramentocitySan DiegocitySan FranciscocitySierra NevadafeatureSierra-at-Tahoeski areaSnow Valleyski areaSouth Lake TahoecitySugar Bowlski areaSusanvillecityTruckeetownYosemitefeature
Near Irvine
The nearest places, each with its own forecast and the instruments nearest it.
- Tustincity, 4 mi
- North Tustincommunity, 5 mi
- Laguna Woodscity, 7 mi
- Santa Anacity, 7 mi
- Lake Forestcity, 7 mi
- Newport Beachcity, 7 mi
- Costa Mesacity, 8 mi
- Aliso Viejocity, 8 mi
- Laguna Hillscity, 8 mi
- Orangecity, 8 mi
- Williams Canyoncommunity, 9 mi
- Mission Viejocity, 9 mi