Black Diamond RAWSPIBC1
A remote fire weather station/0.7 mi away/1,339 ft/225 ft above here
temp, wind, gust, humidity, pressure
Mountain passes/California/Nortonville Pass
Nortonville Pass, California
Mountain pass in Contra Costa County, California, at 1,114 ft66°
85°/60°
Clear·
Feels like 66°·Light air 1 mph NNW
Now. Nortonville Pass is 66° and clear at 2 AM. The dew point is 39°, so the air feels dry and comfortable. Light air from the north-northwest at 1 mph.
Today and tonight. It warms to about 84° by 5 PM. Tonight falls to about 63° 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 85°, and the coolest Monday, near 63°. The days ahead look dry.
The sky tonight. The sun sets at 6:29 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:35 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 13 minutes long, 2 minutes shorter than yesterday.
0UV Low
47Air quality
50%Humidity
0%Cloud
Now
2:00 AM
66feels66
now, clear
Today
Oct 16
8560
UV 7
Sat
Oct 17
8563
UV 6
Sun
Oct 18
7457
17mph
UV 6
Mon
Oct 19
6351
23%
18mph
Tue
Oct 20
6350
28%
Wed
Oct 21
6651
26%
Thu
Oct 22
6551
10%
66°
85°60°
85°63°
74°57°
63°51°
63°50°
66°51°
65°51°
As of 2:00 AM in Nortonville Pass, California.
Air quality
The air at Nortonville Pass
Index 47, good, led by fine particles. Read at 2 AM from its reporting area, Concord (CA), 9 miles off.
47Good
- Fine particles (PM2.5)47Good-
- Ozone17Good-
The days ahead
Highest moderate, Sat Oct 17, led by ozone. Yesterday measured 41, good.
GoodModerate
- 41YesterdayOct 15
- 50TodayOct 16
- ModerateSatOct 17
- GoodSunOct 18
- GoodMonOct 19
- GoodTueOct 20
Smoke, the next 46 hours
Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.
Precipitation
What has fallen at Nortonville Pass
None in the last 3 days, to Fri 1 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 Nortonville Pass, the next 46 hours
Visibility stays 10 miles or more through Sat 11 PM.
F
Now, today, and the week
Weather instrument stations by state
Mountain pass
- Height
- 1,114 ft
- County
- Contra Costa County
- State
- California
- Latitude
- 37.9563° N
- Longitude
- 121.8744° W
What is measuring near here
The 6 instruments nearest Nortonville Pass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.
measured now4 instruments
Citizen station FW3932FW3932
In a volunteer observer's own ground/3.2 mi away/471 ft/643 ft below here
temp, humidity, wind, precip, pressure
At an airfield/10.0 mi away/16 ft/1,098 ft below here
temp, wind, gust, visibility, precip, pressure
SR-12 - SR-160CF105
Beside a road/17.5 mi away/-6 ft/1,120 ft below here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Antioch 2.2 WSWCA-CC-12
In a volunteer observer's own ground/2.5 mi away/178 ft/936 ft below here
precip, snowfall, snow depth
At a cooperative observer's station/6.1 mi away/3,102 ft/1,988 ft above here
snowfall, snow depth, precip, high, low
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 Nortonville Pass
The nearest places, each with its own forecast and the instruments nearest it.
- Claytoncity, 3 mi
- Pittsburgcity, 4 mi
- Antiochcity, 5 mi
- Bay Pointcommunity, 7 mi
- North Gatecommunity, 8 mi
- Concordcity, 8 mi
- Brentwoodcity, 9 mi
- Diablocommunity, 9 mi
- Oakleycity, 9 mi
- Shell Ridgecommunity, 10 mi
- Clydecommunity, 10 mi
- Contra Costa Centrecommunity, 10 mi
Mountain passes near Nortonville Pass
- Kirker Pass3 mi
- Haywards Pass19 mi
- Altamont Pass19 mi
- Summit Pass20 mi
- Patterson Pass23 mi
- Mission Pass27 mi
- Cape Horn Pass54 mi
- Patchen Pass56 mi