Temperature
53 F at 1 AM; 58 F at its warmest, 5 PM Thursday, and 53 F at its coolest, 1 AM.
- Now
- 53F
- 1 AM
- Highest
- 58F
- 5 PM Thursday
- Lowest
- 53F
- 1 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Watertown Municipal Airport, Wisconsin
Small airport in Jefferson County, Wisconsin* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
52°
54°/43°
Overcast·
Feels like 52°·Moderate breeze 18 mph WNW
Alert. A Freeze Warning is in force for Watertown Municipal Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Watertown Municipal Airport is 52° and overcast at 2 AM. The dew point is 50°, so the air feels dry and comfortable. Moderate breeze from the west-northwest at 18 mph.
Today and tonight. Tonight falls to about 31° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 72°, and the coolest tomorrow, near 57°. The days ahead look dry. The first freeze could come tomorrow, a low of 29°.
The sky tonight. The sun sets at 6:11 PM. The Moon is a waxing crescent, 33% lit, and sets at 9:57 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 3 minutes long, 3 minutes shorter than yesterday.
0UV Low
13Air quality
97%Humidity
100%Cloud
Now
2:00 AM
52feels52
18mph
Today
Oct 16
5443
34%
20mph
Sat
Oct 17
5729
clear day
Sun
Oct 18
6337
15mph
Mon
Oct 19
6539
overcast
Tue
Oct 20
6940
overcast
Wed
Oct 21
7143
overcast
Thu
Oct 22
7248
13%
52°
54°43°
57°29°
63°37°
65°39°
69°40°
71°43°
72°48°
As of 2:00 AM in Watertown Municipal Airport, Wisconsin.
Air quality
The air at Watertown Municipal Airport
Index 13, good, led by ozone. Read at 1 AM from its reporting area, Kettle Moraine South (WI), 25 miles off.
13Good
- Fine particles (PM2.5)11Good21.1 mi
- Ozone13Good11 ppb12.7 mi
- Coarse particles (PM10)4Good21.1 mi
- Sulfur dioxide0Good0 ppb21.1 mi
- Carbon monoxide-0.1 ppm21.1 mi
The days ahead
Good each day through Sat Oct 17, led by ozone. Yesterday measured 23, good.
GoodModerate
- 23YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
Smoke, the next 42 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Watertown Municipal Airport
0.44 in in the last 24 hours, 0.46 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.44in
- Last 3 days
- 0.46in
3 days agoLast 24 hours 96%
Visibility
How far you can see at Watertown Municipal Airport, the next 42 hours
Visibility stays 5 miles or more through Sat 7 PM, lowest 5 miles Fri 1 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- RYV
- ICAO
- KRYV
- IATA
- -
- Field elevation
- 833 ft
- Serves
- Watertown
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- RYV
- Wind now
- From 290° at 18 mph, read 16 Oct, 01:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 05 / 23 | 4,429 ft | 75 ft | Asphalt | 53° / 233° | 10 mph head, on 23 | 15 mph from the right |
| 11 / 29 | 2,801 ft | 75 ft | Asphalt | 114° / 294° | 18 mph head, on 29 | 1 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Watertown (RYV), Watertown Municipal Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 52 F, the air 97% saturated; the humidity ran from 73% at 3 AM Thursday to 97% at 4 PM Thursday.
- Dew point now
- 52F
- 1 AM
- Humidity now
- 97%
- Humidity, range
- 73 to 97%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
13 mph from the west northwest at 1 AM; at its strongest 15 mph, 12 AM, with a gust of 25 mph at 12 AM.
- Now
- 13mph
- from the west northwest
- Strongest
- 15mph
- 12 AM
- Highest gust
- 25mph
- 12 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.85 inHg at 1 AM, rising 0.08 inHg over 3 hours; 0.34 inHg lower than a day before.
- Now
- 29.85inHg
- 1 AM
- 3 hours
- +0.08inHg
- rising
- 24 hours
- -0.34inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 2 miles at 12 PM Thursday; 3 miles now.
- Now
- 3mi
- Lowest
- 2mi
- 12 PM Thursday
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 300 ft at 6 PM Thursday; a base was reported in 22 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 300ft
- 6 PM Thursday
- Hours with a base reported
- 22
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.46 in measured in the gauge, the most, 0.11 in, in the hour to 1 PM Thursday.
- Last 24 hours
- 0.46in
- Wettest hour
- 0.11in
- 1 PM Thursday
- Hours with some
- 10
How it is measured: ASOS, Field Book FB-INS-002
Watertown: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Watertown 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
WatertownRYV
At an airfield/0.0 mi away/814 ft/19 ft below here
temp, wind, gust, visibility, precip, pressure
Waukesha Co I-94 WB at STH 67WI090
Beside a road/14.5 mi away/883 ft/50 ft above here
temp, pavement temp, wind, visibility, precip
Pewaukee WWTPPWKW3
At a water treatment plant/22.8 mi away/912 ft/79 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
WatertownWATW3
At a cooperative observer's station/0.7 mi away/792 ft/41 ft below here
snowfall, snow depth, precip, high, low
Watertown 1.6 ESEWI-JF-2
In a volunteer observer's own ground/1.4 mi away/830 ft/3 ft below here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Wisconsin
19 places, each with its own forecast and its own instruments.
Near Watertown Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Watertowncity, 2 mi
- Ixoniacommunity, 7 mi
- Johnson Creekvillage, 7 mi
- Lebanoncommunity, 8 mi
- Clymanvillage, 10 mi
- Lac La Bellevillage, 10 mi
- Helenvillecommunity, 11 mi
- Lake Millscity, 11 mi
- Ashippuncommunity, 11 mi
- Reesevillevillage, 11 mi
- Oconomowoccity, 12 mi
- Jeffersoncity, 12 mi
Airports near Watertown Municipal Airport
- Dodge County AirportUNU, 18 mi
- Waukesha County AirportUES, 26 mi
- Dane County Regional Truax FieldMSN, 31 mi
- East Troy Municipal Airport57C, 31 mi
- West Bend Municipal AirportETB, 35 mi
- Lawrence J Timmerman AirportMWC, 35 mi
- Burlington Municipal AirportBUU, 39 mi
- Middleton Municipal Morey FieldC29, 41 mi