Citizen station FW0058FW0058
In a volunteer observer's own ground/0.8 mi away/109 ft/25 ft above here
temp, humidity, wind, precip, pressure
Weather/California/Santa Ana
Santa Ana, California
City in Orange County, CaliforniaWind 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.
77°
97°/73°
Clear·
Feels like 77°·Moderate breeze 13 mph NE
Alert. A Wind Advisory is in force for Santa Ana until 12 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. Santa Ana is 77° and clear at 6 AM. The dew point is 40°, so the air feels dry and comfortable. Moderate breeze from the northeast at 13 mph.
Today and tonight. It warms to about 95° by 2 PM. Tonight falls to about 74° by 6 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. Air quality is moderate (index 60): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is tomorrow, near 92°, and the coolest Thursday, near 69°. Rain is likely Tuesday (51%) and Wednesday (69%). Rain is possible Thursday (41%).
The sky tonight. The sun sets at 6:17 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
60Air quality
31%Humidity
0%Cloud
Now
6:00 AM
77feels77
13mph
Today
Oct 16
9773
19mph
UV 7
Sat
Oct 17
9273
13mph
Sun
Oct 18
8768
UV 6
Mon
Oct 19
8267
UV 6
Tue
Oct 20
7464
51%
Wed
Oct 21
7161
69%
Thu
Oct 22
6959
41%
77°
97°73°
92°73°
87°68°
82°67°
74°64°
71°61°
69°59°
As of 6:00 AM in Santa Ana, California.
Air quality
The air at Santa Ana
Index 60, moderate, led by coarse particles. Read at 6 AM from its reporting area, Central Orange (CA), 7 miles off.
60Moderate
- Fine particles (PM2.5)14Good7.1 mi
- Ozone27Good33 ppb7.1 mi
- Coarse particles (PM10)60Moderate7.1 mi
- Nitrogen dioxide3Good3.6 ppb5.9 mi
- Carbon monoxide-0.2 ppm5.9 mi
The days ahead
Moderate each day through Today, led by coarse particles. Yesterday measured 43, good.
GoodModerate
- 43YesterdayOct 15
- 64TodayOct 16
Smoke, the next 42 hours
Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.
Precipitation
What has fallen at Santa Ana
None in the last 3 days, to Fri 5 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 Santa Ana, the next 42 hours
Visibility stays 10 miles or more through Sat 11 PM.
F
Now, today, and the week
On the radar over Santa Ana, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Santa Ana, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.
measured now4 instruments
Rank3,559of 4,465
At an airfield/4.5 mi away/52 ft/32 ft below here
temp, wind, gust, visibility, precip, pressure
Villa Park Dam - Alert #220VLLC1
At a river or reservoir gauge/8.6 mi away/512 ft/428 ft above here
temp, wind, gust, humidity, pressure
I-15 : Jurupa AvenueCF174
Beside a road/28.7 mi away/908 ft/824 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Santa Ana Fire STNSTAC1
At a cooperative observer's station/1.1 mi away/125 ft/41 ft above here
snowfall, snow depth, precip, high, low
Santa Ana 1.6 SWCA-OR-7
In a volunteer observer's own ground/1.6 mi away/50 ft/34 ft below here
precip, snowfall, snow depth
Station report
The weather at Santa Ana/Jon-Wayne, drawn
The nearest airport reporting now, 4.5 mi from Santa Ana, California. From its report of Oct 16, 2026, 5:53 AM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
80.0 F with a dew point of 40.0 F, 24 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 9,100 ft up.
The wind
From the northeast (50 degrees) at 16 mph, gusting 26 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 33 mph.
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 Santa Ana
The nearest places, each with its own forecast and the instruments nearest it.
- Tustincity, 4 mi
- Fountain Valleycity, 4 mi
- Garden Grovecity, 5 mi
- North Tustincommunity, 5 mi
- Orangecity, 5 mi
- Midway Citycommunity, 6 mi
- Costa Mesacity, 6 mi
- Westminstercity, 6 mi
- Anaheimcity, 7 mi
- Irvinecity, 7 mi
- Villa Parkcity, 7 mi
- Huntington Beachcity, 7 mi