Temperature
60 F at 8 PM; 81 F at its warmest, 12 PM, and 50 F at its coolest, 11 PM Wednesday.
- Now
- 60F
- 8 PM
- Highest
- 81F
- 12 PM
- Lowest
- 50F
- 11 PM Wednesday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/California/Rohnerville Airport
Coming up. Tomorrow is 8 degrees cooler: a high of 71° after 79° today.
Now. Rohnerville Airport is 57° and clear at 10 PM. The dew point is 50°, so the air feels dry and comfortable. The air is calm.
Today and tonight. Tonight falls to about 50° 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 71°, and the coolest Monday, near 60°. The days ahead look dry.
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 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 10 minutes long, 3 minutes shorter than yesterday.
As of 10:00 PM in Rohnerville Airport, California.
Air quality
Index 44, good, led by coarse particles. Read at 9 PM from its reporting area, Eureka (CA), 18 miles off.
Yesterday measured 23, good.
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 33 or under.
Precipitation
None in the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.
Visibility
Dense fog: visibility falls to 0 miles Fri 11 PM, under a mile for 11 hours.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 11 / 29 | 4,004 ft | 100 ft | Asphalt | 129° / 309° | Calm | Calm |
Measured here
Every hour from Fortuna (FOT), Rohnerville Airport's own instrument, measure by measure, on the field's own clock.
60 F at 8 PM; 81 F at its warmest, 12 PM, and 50 F at its coolest, 11 PM Wednesday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 50 F, the air 71% saturated; the humidity ran from 34% at 12 PM to 89% at 11 PM Wednesday.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 8 PM; at its strongest 13 mph, 3 AM, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.15 inHg at 8 PM, steady over 3 hours; the same as a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
10 miles or more every hour.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 10,000 ft at 2 PM; a base was reported in 1 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Fortuna: every reading, the last 7 days, 30 days and the year, and how well it reports
The 4 instruments nearest Rohnerville 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 now2 instruments
FortunaFOT
At an airfield/0.0 mi away/369 ft/24 ft below here
temp, wind, gust, visibility, precip, pressure
Kneeland RAWSKNNC1
A remote fire weather station/15.8 mi away/2,684 ft/2,291 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Fortuna 1.2 SCA-HM-122
In a volunteer observer's own ground/1.0 mi away/177 ft/216 ft below here
precip, snowfall, snow depth
ScotiaSCTC1
At a cooperative observer's station/5.1 mi away/138 ft/255 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.