Grass MountainGMTC1
At a river or reservoir gauge/1.6 mi away/4,573 ft/1,605 ft above here
temp, wind, gust, humidity, pressure
Weather/California/Green Valley
Green Valley, California
Community in Los Angeles County, CaliforniaHigh Wind Warning, in full · Every severe alert
* WHAT...Northeast winds 25 to 45 mph with gusts of 50 to 70 mph possible. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, Santa Susana Mountains, Western San Gabriel Mountains and Highway 14 Corridor, and Western Santa Monica Mountains Recreational Area. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.
Secure outdoor objects. Avoid parking vehicles under trees. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Have a plan in place for possible power outages.
69°
81°/57°
Clear·
Feels like 69°·Strong breeze 26 mph NNE
Alert. A High Wind Warning is in force for Green Valley 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. Green Valley is 69° and clear at 10 PM. The dew point is 31°, so the air feels dry and comfortable. Strong breeze from the north-northeast at 26 mph.
Today and tonight. Tonight falls to about 64° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 79°, and the coolest Wednesday, near 60°. Rain is likely Tuesday (55%) and Wednesday (56%). The windiest day is tomorrow, with wind to 39 mph.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-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
37Air quality
26%Humidity
0%Cloud
Now
10:00 PM
69feels69
26mph
Today
Oct 15
8157
37mph
UV 7
Fri
Oct 16
7964
39mph
UV 7
Sat
Oct 17
7865
31mph
UV 7
Sun
Oct 18
7859
UV 7
Mon
Oct 19
7760
19mph
UV 7
Tue
Oct 20
6355
55%
15mph
Wed
Oct 21
6050
56%
69°
81°57°
79°64°
78°65°
78°59°
77°60°
63°55°
60°50°
As of 10:00 PM in Green Valley, California.
Air quality
The air at Green Valley
Index 37, good, led by ozone. Read at 10 PM from its reporting area, Antelope Vly (CA), 16 miles off.
37Good
- Fine particles (PM2.5)0Good17.7 mi
- Ozone37Good44 ppb17.7 mi
- Coarse particles (PM10)8Good-
- Nitrogen dioxide1Good1.4 ppb17.7 mi
The days ahead
Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 42, good.
GoodModerate
- 42YesterdayOct 14
- 55TodayOct 15
- 53FriOct 16
Smoke, the next 44 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 22 or under.
Precipitation
What has fallen at Green Valley
None in the last 3 days, to Thu 9 PM. 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 Green Valley, the next 44 hours
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
On the radar over Green Valley, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Green Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.
measured now4 instruments
Rank3,054of 4,465
Citizen station GW7159GW7159
In a volunteer observer's own ground/13.0 mi away/2,684 ft/284 ft below here
temp, humidity, wind, precip, pressure
At an airfield/13.7 mi away/2,346 ft/622 ft below here
temp, wind, gust, visibility, precip, pressure
Beside a road/35.0 mi away/4,071 ft/1,103 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
At a power station/3.3 mi away/2,165 ft/803 ft below here
snowfall, snow depth, precip, high, low
Lancaster 3.7 SWCA-LA-151
In a volunteer observer's own ground/11.1 mi away/2,480 ft/488 ft below here
precip, snowfall, snow depth
Station report
The weather at Lancaster/Fox Field, drawn
The nearest airport reporting now, 13.7 mi from Green Valley, California. From its report of Oct 15, 2026, 9:56 PM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
64.0 F with a dew point of 31.0 F, 29 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,400 ft up.
The wind
From the north (10 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 43 mph.
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Saugus Power Plant #1 (SGSC1), 3.3 miles from here, read 14 Oct, 14:30. measured daily
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 Green Valley
The nearest places, each with its own forecast and the instruments nearest it.
- Elizabeth Lakecommunity, 3 mi
- Lake Hughescommunity, 5 mi
- Leona Valleycommunity, 6 mi
- Agua Dulcecommunity, 9 mi
- Quartz Hillcommunity, 11 mi
- Santa Claritacity, 14 mi
- Desert View Highlandscommunity, 15 mi
- Actoncommunity, 15 mi
- Castaiccommunity, 16 mi
- Lancastercity, 16 mi
- Hasley Canyoncommunity, 18 mi
- Palmdalecity, 18 mi