Temperature
46 F at 11 PM; 50 F at its warmest, 10 AM, and 44 F at its coolest, 1 AM.
- Now
- 46F
- 11 PM
- Highest
- 50F
- 10 AM
- Lowest
- 44F
- 1 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Rain is likely tonight, from about 11 PM (100%).
Now. Mackinac Island Airport is 47° and light rain at 11 PM. With the wind it feels like 41°. The dew point is 46°, so the air feels dry and comfortable. Moderate breeze from the east-southeast at 15 mph.
Today and tonight. Tonight falls to about 45° by 7 AM, under cloud.
The week. The warmest day ahead is Wednesday, near 61°, and the coolest tomorrow, near 50°. Rain is likely tomorrow (100%). The windiest day is Sunday, with wind to 23 mph. Frost is possible Saturday morning, a low of 33°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Monday, Oct 26. 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. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 10 hours 59 minutes long, 3 minutes shorter than yesterday.
As of 11:00 PM in Mackinac Island Airport, Michigan.
Air quality
Index 16, good, led by ozone. Read at 11 PM from its reporting area, Eastern Upper Peninsula (MI), 58 miles off.
Good each day through Fri Oct 16, led by ozone. Yesterday measured 18, good.
No smoke near the ground through Sat 8 PM.
Precipitation
0.35 in in the last 24 hours, 0.68 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.
Visibility
Mist or haze: visibility falls to 3 miles Fri 1 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 08 / 26 | 3,501 ft | 75 ft | Asphalt | 75° / 255° | 16 mph head, on 08 | 4 mph from the right |
Measured here
Every hour from Mackinac Island (MCD), Mackinac Island Airport's own instrument, measure by measure, on the field's own clock.
46 F at 11 PM; 50 F at its warmest, 10 AM, and 44 F at its coolest, 1 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 46 F, the air 100% saturated; the humidity ran from 70% at 10 AM to 100% at 11 PM.
How it is measured: Humidity variables, Field Book FB-WAT-002
17 mph from the east at 11 PM; at its strongest 17 mph, 11 PM, with a gust of 28 mph at 3 PM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.78 inHg at 11 PM, falling 0.12 inHg over 3 hours; 0.48 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 3 miles at 9 PM; 8 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 300 ft at 9 PM; a base was reported in 24 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.25 in measured in the gauge, the most, 0.08 in, in the hour to 10 PM.
How it is measured: ASOS, Field Book FB-INS-002
Mackinac Island: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Mackinac Island 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
At an airfield/0.0 mi away/741 ft/2 ft above here
temp, wind, gust, visibility, precip, pressure
St. IgnaceMC012
Beside a road/5.6 mi away/603 ft/136 ft below here
temp, pavement temp, wind, visibility, precip
Rudyard RAWSRYDM4
A remote fire weather station/26.7 mi away/692 ft/47 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
St. Ignace 0.6 WSWMI-MC-5
In a volunteer observer's own ground/4.7 mi away/701 ft/38 ft below here
precip, snowfall, snow depth
CheboyganCHBM4
At a cooperative observer's station/16.7 mi away/577 ft/162 ft below here
snowfall, snow depth, precip, high, low
0in
Snow on the ground
Measured at Cheboygan (CHBM4), 16.7 miles from here, read 8 Oct, 08:00. measured daily
66 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.