Bell CanyonCAPC1
At a river or reservoir gauge/2.0 mi away/738 ft/259 ft above here
temp, wind, gust, humidity, pressure
Weather/California/Rancho Mission Viejo
Rancho Mission Viejo, California
Community in Orange County, CaliforniaHeat Advisory, in full · Every severe alert
* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with gusts 35 to 55 mph expected. Strongest winds will be near the foothills and in canyons of the Santa Ana mountains, with gusts up to 70 mph possible. For the Heat Advisory, temperatures up to 95 degrees * WHERE...Orange County Inland Areas. * WHEN...For the Heat Advisory, until 8 PM PDT Saturday. For the Wind Advisory, until noon PDT Saturday. * 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°
96°/70°
Clear·
Feels like 76°·Light breeze 7 mph NE
Alert. A Heat Advisory is in force for Rancho Mission Viejo until 8 PM tomorrow. 1 more alert is in force here as well. Read the alert in full, and see what it means in the Field Book.
Now. Rancho Mission Viejo is 76° and clear at 1 AM. The dew point is 43°, so the air feels dry and comfortable. Light breeze from the northeast at 7 mph, gusting to 19 mph.
Today and tonight. It warms to about 94° by 1 PM. Tonight falls to about 75° by 8 AM, under a mostly clear sky. No rain is expected for the rest of the day. The sun is strong around midday: UV index 7, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is tomorrow, near 93°, and the coolest Thursday, near 71°. Rain is likely Wednesday (69%). Rain is possible Tuesday (49%) and Thursday (46%).
The sky tonight. The sun sets at 6:16 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:33 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 21 minutes long, 2 minutes shorter than yesterday.
0UV Low
35Air quality
37%Humidity
0%Cloud
Now
1:00 AM
76feels76
now, clear
Today
Oct 16
9670
24mph
UV 7
Sat
Oct 17
9374
18mph
Sun
Oct 18
8969
12mph
UV 6
Mon
Oct 19
8467
UV 7
Tue
Oct 20
7662
49%
13mph
UV 6
Wed
Oct 21
7258
69%
Thu
Oct 22
7157
46%
12mph
76°
96°70°
93°74°
89°69°
84°67°
76°62°
72°58°
71°57°
As of 1:00 AM in Rancho Mission Viejo, California.
Air quality
The air at Rancho Mission Viejo
Index 35, good, led by ozone. Read at 1 AM from its reporting area, Saddleback Vly (CA), 8 miles off.
35Good
- Fine particles (PM2.5)8Good7.6 mi
- Ozone35Good32 ppb7.6 mi
- Coarse particles (PM10)10Good7.6 mi
- Nitrogen dioxide1Good1.5 ppb18.1 mi
The days ahead
Moderate each day through Today, led by coarse particles. Yesterday measured 15, good.
GoodModerate
- 15YesterdayOct 15
- 65TodayOct 16
Smoke, the next 41 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 17 or under.
Precipitation
What has fallen at Rancho Mission Viejo
None in the last 3 days, to Fri 12 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 Rancho Mission Viejo, the next 41 hours
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
On the radar over Rancho Mission Viejo, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 7 instruments nearest Rancho Mission Viejo, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.
measured now5 instruments
Rank497of 4,465
Citizen station GW6246GW6246
In a volunteer observer's own ground/6.7 mi away/979 ft/500 ft above here
temp, humidity, wind, precip, pressure
At an airfield/18.1 mi away/52 ft/427 ft below here
temp, wind, gust, visibility, precip, pressure
Fallbrook 5 NE53151
At a climate reference station/24.8 mi away/1,140 ft/661 ft above here
temp, humidity, wind, solar, precip
I-15 : Jurupa AvenueCF174
Beside a road/35.5 mi away/908 ft/429 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Ladera Ranch 0.4 SWCA-OR-92
In a volunteer observer's own ground/2.7 mi away/441 ft/38 ft below here
precip, snowfall, snow depth
Irvine RanchIVRC1
On a farm or research station/14.5 mi away/535 ft/56 ft above here
snowfall, snow depth, precip, high, low
Station report
The weather at Santa Ana/Jon-Wayne, drawn
The nearest airport reporting now, 18.1 mi from Rancho Mission Viejo, California. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 6 sheets.
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 Rancho Mission Viejo
The nearest places, each with its own forecast and the instruments nearest it.
- Ladera Ranchcommunity, 2 mi
- Coto de Cazacommunity, 4 mi
- Las Florescommunity, 4 mi
- San Juan Capistranocity, 4 mi
- Laguna Niguelcity, 6 mi
- Mission Viejocity, 6 mi
- San Clementecity, 7 mi
- Dana Pointcity, 7 mi
- Laguna Hillscity, 7 mi
- Rancho Santa Margaritacity, 7 mi
- Aliso Viejocity, 8 mi
- Laguna Woodscity, 9 mi