Temperature
48 F at 8 PM; 58 F at its warmest, 1 PM, and 36 F at its coolest, 2 AM.
- Now
- 48F
- 8 PM
- Highest
- 58F
- 1 PM
- Lowest
- 36F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A Wind Advisory is in force for H.A. Clark Memorial Field until 6 PM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. H.A. Clark Memorial Field is 48° and clear at 10 PM. With the wind it feels like 42°. The dew point is 36°, so the air feels dry and comfortable. Moderate breeze from the east-northeast at 16 mph.
Today and tonight. Tonight falls to about 44° by 6 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 63°, and the coolest Wednesday, near 55°. Rain is likely Tuesday (55%) and Wednesday (67%). Rain is possible Saturday (37%), Sunday (42%) and Monday (39%). The windiest day is tomorrow, with wind to 24 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 20 minutes long, 2 minutes shorter than yesterday.
As of 10:00 PM in H.A. Clark Memorial Field, Arizona.
Air quality
Index 31, good, led by ozone. Read at 9 PM from its reporting area, Flagstaff (AZ), 33 miles off.
Good each day through Mon Oct 19, led by ozone. Yesterday measured 44, good.
Smoke near the ground peaks at index 129, unhealthy for sensitive groups, Fri 6 PM.
Precipitation
None in the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 18 / 36 | 6,003 ft | 100 ft | Asphalt | 191° / 11° | 9 mph head, on 36 | 11 mph from the right |
Measured here
Every hour from Williams (CMR), H.A. Clark Memorial Field's own instrument, measure by measure, on the field's own clock.
48 F at 8 PM; 58 F at its warmest, 1 PM, and 36 F at its coolest, 2 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 36 F, the air 62% saturated; the humidity ran from 41% at 12 PM to 83% at 1 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
12 mph from the northeast at 8 PM; at its strongest 26 mph, 3 PM, with a gust of 36 mph at 4 PM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.38 inHg at 8 PM, rising 0.05 inHg over 3 hours; 0.13 inHg higher than 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
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Williams: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest H.A. Clark Memorial Field, 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 now4 instruments
WilliamsCMR
At an airfield/0.0 mi away/6,680 ft/level with here
temp, wind, gust, visibility, precip, pressure
I-40 @ Pine SpringsAZT04
Beside a road/6.6 mi away/6,839 ft/159 ft above here
temp, pavement temp, wind, visibility, precip
Williams - Greenbase RAWSQGBA3
A remote fire weather station/7.7 mi away/6,922 ft/242 ft above here
temp, wind, gust, humidity, pressure
Williams 35 NNW53155
At a climate reference station/31.6 mi away/5,990 ft/690 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Williams 0.8 NAZ-CN-129
In a volunteer observer's own ground/3.8 mi away/6,772 ft/92 ft above here
precip, snowfall, snow depth
WilliamsWLLA3
At a cooperative observer's station/4.5 mi away/6,896 ft/216 ft above here
snowfall, snow depth, precip, high, low
0in
Snow on the ground
Measured at Williams (WLLA3), 4.5 miles from here, read 15 Oct, 16:00. measured daily
16 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.