Temperature
54 F at 4 AM; 87 F at its warmest, 3 PM Thursday, and 50 F at its coolest, 6 AM Thursday.
- Now
- 54F
- 4 AM
- Highest
- 87F
- 3 PM Thursday
- Lowest
- 50F
- 6 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/California/Buchanan Field
Buchanan Field, California
Medium airport in Contra Costa County, California63°
92°/59°
Clear·
Feels like 63°·Light breeze 6 mph ESE
Now. Buchanan Field is 63° and clear at 9 AM. The dew point is 39°, so the air feels dry and comfortable. Light breeze from the east-southeast at 6 mph.
Today and tonight. It warms to about 91° by 4 PM. Tonight falls to about 58° by 7 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 91°, and the coolest Monday, near 68°. 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 10:36 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 12 minutes long, 2 minutes shorter than yesterday.
1UV Low
44Air quality
40%Humidity
0%Cloud
Now
9:00 AM
63feels63
now, clear
Today
Oct 16
9259
UV 6
Sat
Oct 17
9158
UV 6
Sun
Oct 18
7954
13mph
UV 6
Mon
Oct 19
6851
28%
14mph
Tue
Oct 20
6951
27%
Wed
Oct 21
7252
20%
Thu
Oct 22
7152
mostly clear day
63°
92°59°
91°58°
79°54°
68°51°
69°51°
72°52°
71°52°
As of 9:00 AM in Buchanan Field, California.
Air quality
The air at Buchanan Field
Index 44, good, led by fine particles. Read at 9 AM from its reporting area, Concord (CA), 2 miles off.
44Good
- Fine particles (PM2.5)44Good15.8 mi
- Ozone21Good6 ppb15.8 mi
- Nitrogen dioxide20Good21.5 ppb15.8 mi
- Sulfur dioxide1Good1 ppb16.8 mi
- Carbon monoxide-0.8 ppm15.8 mi
The days ahead
Highest 58, moderate, Sat Oct 17, led by ozone. Yesterday measured 54, moderate.
GoodModerate
- 54YesterdayOct 15
- 50TodayOct 16
- 58SatOct 17
- 46SunOct 18
- 43MonOct 19
- GoodTueOct 20
- GoodWedOct 21
Smoke, the next 45 hours
Little smoke near the ground through Sun 5 AM: the index from smoke stays at 11 or under.
Precipitation
What has fallen at Buchanan Field
None in the last 3 days, to Fri 8 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 Buchanan Field, the next 45 hours
Visibility stays 10 miles or more through Sun 5 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- CCR
- ICAO
- KCCR
- IATA
- CCR
- Field elevation
- 26 ft
- Serves
- Concord
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- CCR
- Wind now
- From 160° at 5 mph, read 16 Oct, 08:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 01L / 19R | 5,001 ft | 150 ft | Asphalt and concrete | 24° / 204° | 4 mph head, on 19R | 3 mph from the left |
| 01R / 19L | 2,770 ft | 75 ft | Asphalt | 19° / 199° | 4 mph head, on 19L | 3 mph from the left |
| 14L / 32R | 4,602 ft | 150 ft | Asphalt and concrete | 154° / 334° | 5 mph head, on 14L | 1 mph from the right |
| 14R / 32L unlit | 2,798 ft | 75 ft | Asphalt | 155° / 335° | 5 mph head, on 14R | None |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Concord/Buchanan (CCR), Buchanan Field's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 43 F, the air 66% saturated; the humidity ran from 17% at 2 PM Thursday to 66% at 4 AM.
- Dew point now
- 43F
- 4 AM
- Humidity now
- 66%
- Humidity, range
- 17 to 66%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
Calm at 5 AM; at its strongest 10 mph, 11 AM Thursday, with a gust of 21 mph at 11 AM Thursday.
- Now
- 0mph
- calm
- Strongest
- 10mph
- 11 AM Thursday
- Highest gust
- 21mph
- 11 AM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.06 inHg at 5 AM, steady over 3 hours; 0.09 inHg lower than a day before.
- Now
- 30.06inHg
- 5 AM
- 3 hours
- -0.02inHg
- steady
- 24 hours
- -0.09inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 8 miles at 11 AM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 8mi
- 11 AM Thursday
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Concord/Buchanan: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Buchanan Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.
measured now3 instruments
At an airfield/0.3 mi away/16 ft/10 ft below here
temp, wind, gust, visibility, precip, pressure
Briones RAWSPLEC1
A remote fire weather station/5.4 mi away/1,369 ft/1,343 ft above here
temp, wind, gust, humidity, pressure
SR-12 - SR-160CF105
Beside a road/23.7 mi away/-6 ft/32 ft below here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Pleasant Hill 0.1 ENECA-CC-58
In a volunteer observer's own ground/2.6 mi away/50 ft/24 ft above here
precip, snowfall, snow depth
At a cooperative observer's station/10.3 mi away/3,102 ft/3,076 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 Buchanan Field
The nearest places, each with its own forecast and the instruments nearest it.
- Pachecocommunity, 1 mi
- Vine Hillcommunity, 2 mi
- Concordcity, 3 mi
- Martinezcity, 3 mi
- Pleasant Hillcity, 3 mi
- Clydecommunity, 3 mi
- Mountain Viewcommunity, 3 mi
- Reliez Valleycommunity, 4 mi
- Alhambra Valleycommunity, 4 mi
- Contra Costa Centrecommunity, 4 mi
- Walnut Creekcity, 6 mi
- Acalanes Ridgecommunity, 6 mi
Airports near Buchanan Field
- Napa County AirportAPC, 20 mi
- Travis Air Force BaseSUU, 20 mi
- Oakland San Francisco Bay AirportOAK, 21 mi
- Hayward Executive AirportHWD, 23 mi
- Livermore Municipal AirportLVK, 24 mi
- Byron AirportC83, 26 mi
- Nut Tree AirportVCB, 27 mi
- Marin County Airport - Gnoss FieldDVO, 29 mi