Temperature
48 F at 4 AM; 66 F at its warmest, 3 PM Thursday, and 34 F at its coolest, 6 AM Thursday.
- Now
- 48F
- 4 AM
- Highest
- 66F
- 3 PM Thursday
- Lowest
- 34F
- 6 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A Wind Advisory is in force for St Johns Industrial Air Park until 6 PM today. Read the alert in full, and see what it means in the Field Book.
Now. St Johns Industrial Air Park is 48° and clear at 5 AM. With the wind it feels like 42°. The dew point is 27°, so the air feels dry and comfortable. Moderate breeze from the east-southeast at 13 mph.
Today and tonight. It warms to about 67° by 1 PM. Tonight falls to about 41° by 5 AM, under a mostly clear sky. No rain is expected for the rest of the day. The sun is strong around midday: UV index 8, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is Tuesday, near 73°, and the coolest Sunday, near 68°. Rain is likely Thursday (51%). Rain is possible Sunday (31%), Monday (32%) and Wednesday (45%). The windiest day is tomorrow, with wind to 21 mph.
The sky tonight. The sun sets at 5:42 PM. The Moon is a waxing crescent, 34% lit, and sets at 9:55 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 19 minutes long, 2 minutes shorter than yesterday.
As of 5:00 AM in St Johns Industrial Air Park, Arizona.
Precipitation
None in the last 24 hours; 0.01 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 11 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 03 / 21 unlit | 3,400 ft | 60 ft | Asphalt | 38° / 218° | 3 mph head, on 03 | 9 mph from the right |
| 14 / 32 | 5,322 ft | 75 ft | Asphalt | 147° / 327° | 7 mph head, on 14 | 5 mph from the left |
Measured here
Every hour from St. Johns Air Park (SJN), St Johns Industrial Air Park's own instrument, measure by measure, on the field's own clock.
48 F at 4 AM; 66 F at its warmest, 3 PM Thursday, and 34 F at its coolest, 6 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 27 F, the air 44% saturated; the humidity ran from 30% at 3 PM Thursday to 85% at 6 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
12 mph from the east at 5 AM; at its strongest 16 mph, 1 AM, with a gust of 30 mph at 10 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.49 inHg at 5 AM, rising 0.03 inHg over 3 hours; 0.21 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 8 miles at 7 AM Thursday; 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
St. Johns Air Park: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest St Johns Industrial Air Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now3 instruments
At an airfield/0.1 mi away/5,732 ft/5 ft below here
temp, wind, gust, visibility, precip, pressure
Greer RAWSQGRA3
A remote fire weather station/31.9 mi away/8,189 ft/2,452 ft above here
temp, wind, gust, humidity, pressure
SR-260 @ MP-378AZT18
Beside a road/34.6 mi away/9,123 ft/3,386 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Saint JohnsSTJA3
At a cooperative observer's station/1.4 mi away/5,791 ft/54 ft above here
snowfall, snow depth, precip, high, low
St Johns 3.5 SSWAZ-AP-28
In a volunteer observer's own ground/7.8 mi away/5,936 ft/199 ft above here
precip, snowfall, snow depth
0in
Snow on the ground
Measured at Saint Johns (STJA3), 1.4 miles from here, read 7 Oct, 18:00. 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.