Temperature
85 F at 2 PM; 85 F at its warmest, 2 PM, and 57 F at its coolest, 5 AM.
- Now
- 85F
- 2 PM
- Highest
- 85F
- 2 PM
- Lowest
- 57F
- 5 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/California/Tracy Municipal Airport
Now. Tracy Municipal Airport is 85° and clear at 3 PM. With the wind it feels like 82°. The dew point is 39°, so the air feels dry and comfortable. Light breeze from the east at 7 mph.
Today and tonight. It warms to about 88° by 4 PM. Tonight falls to about 62° 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 89°, and the coolest Tuesday, near 69°. Rain is possible Tuesday (31%) and Wednesday (33%).
The sky tonight. The sun sets at 6:27 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, 3 minutes shorter than yesterday.
As of 3:00 PM in Tracy Municipal Airport, California.
Air quality
Index 37, good, led by ozone. Read at 2 PM from its reporting area, Livermore (CA), 18 miles off.
Highest 58, moderate, Sat Oct 17, led by ozone. Yesterday measured 45, good.
Little smoke near the ground through Sun 11 AM: the index from smoke stays at 6 or under.
Precipitation
None in the last 3 days, to Fri 2 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sun 11 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 08 / 26 unlit | 3,438 ft | 75 ft | Asphalt | 89° / 269° | 8 mph head, on 08 | 2 mph from the right |
| 12 / 30 | 4,001 ft | 75 ft | Asphalt | 132° / 312° | 7 mph head, on 12 | 4 mph from the left |
Measured here
Every hour from Tracy (TCY), Tracy Municipal Airport's own instrument, measure by measure, on the field's own clock.
85 F at 2 PM; 85 F at its warmest, 2 PM, and 57 F at its coolest, 5 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 40 F, the air 20% saturated; the humidity ran from 16% at 12 PM to 50% at 5 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
9 mph from the east southeast at 2 PM; at its strongest 11 mph, 9 AM, with a gust of 17 mph at 7 AM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.04 inHg at 2 PM, falling 0.05 inHg over 3 hours; 0.01 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 4 miles at 7 AM; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Tracy: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Tracy Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now3 instruments
TracyTCY
At an airfield/0.0 mi away/185 ft/8 ft below here
temp, wind, gust, visibility, precip, pressure
Beside a road/2.9 mi away/278 ft/85 ft above here
temp, pavement temp, wind, visibility, precip
AltamontAATC1
At a river or reservoir gauge/9.2 mi away/1,450 ft/1,257 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Tracy 1.1 SSWCA-SJ-14
In a volunteer observer's own ground/2.4 mi away/78 ft/115 ft below here
precip, snowfall, snow depth
Tracy Pumping PlantTRPC1
At a cooperative observer's station/10.7 mi away/56 ft/137 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
33 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.