Rubicon, WI Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Rubicon, WI.

1 Currently Active Alert for Rubicon

Current Conditions — Rubicon, WI

JUNEAU (KUNU)

Clear

70.5 F
Humidity:%
Wind Speed:SE 5.8 mph
Barometer:29.95 in
Dewpoint: F
Visibility:10.00 mi
Precip:00.15 in
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 04:55 PM CDT
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5-Day Forecast — Rubicon, WI

Wednesday

High 69 °F
Forecast Missing
Wednesday
Night
Low 48 °F
Partly Cloudy
Thursday

High 78 °F
Partly Sunny
Thursday
Night
Low 59 °F
T-storms Likely
Friday

High 69 °F
T-storms Likely
Friday
Night
Low 46 °F
Mostly Clear
Saturday

High 64 °F
Partly Sunny
Saturday
Night
Low 42 °F
Mostly Cloudy
Sunday

High 64 °F
Partly Sunny

Detailed Forecast — Rubicon, WI

Wednesday
Sunny. High near 69°F. Wind around 6 mph, with gusts as high as 12 mph.
Wednesday Night
Partly Cloudy. Low around 48°F. Wind around 6 mph, with gusts as high as 12 mph.
Thursday
Partly Sunny. High near 78°F. Wind 6 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Thunderstorms Likely. Low around 59°F. Wind 9 to 10 mph, with gusts as high as 20 mph.
Friday
Thunderstorms Likely. High near 69°F. Wind 8 to 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly Clear. Low around 46°F. Wind around 7 mph, with gusts as high as 15 mph.
Saturday
Partly Sunny. High near 64°F. Wind 6 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Mostly Cloudy. Low around 42°F. Wind around 3 mph, with gusts as high as 9 mph.
Sunday
Partly Sunny. High near 64°F. Wind 8 to 9 mph, with gusts as high as 16 mph.
Sunday Night
Chance of Rain. Low around 46°F. Wind around 10 mph, with gusts as high as 17 mph.
Monday
Rain Showers Likely. High near 64°F. Wind 14 to 16 mph, with gusts as high as 25 mph.
Monday Night
Chance of Rain. Low around 46°F. Wind around 12 mph, with gusts as high as 21 mph.
Tuesday
Slight Chance of Rain Showers. High near 60°F. Wind 12 to 15 mph, with gusts as high as 23 mph.
WI Radar
Current Radar • WI
Day 1 Outlook • April 22, 2026

Observation History — Rubicon, WI

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
04:55 PM CDT SE 5.8 10.00 Clear 00.15 70.5 % NA NA 29.95 1014.2
04:36 PM CDT SE 6.9 10.00 Clear 00.15 70.3 % NA NA 29.95 1014.2
03:59 PM CDT 9.2 10.00 Clear 00.60 70.7 % NA NA 29.95 1014.2
03:35 PM CDT 8.1 10.00 Clear 00.41 70.2 % NA NA 29.96 1014.6
03:01 PM CDT SE 9.2 10.00 Clear -- 69.3 % NA NA 29.97 1014.9
02:32 PM CDT 4.7 10.00 NULL -- 69.3 % NA NA 29.98 1015.2
02:15 PM CDT E 5.8 10.00 Clear 00.84 69.4 % NA NA 29.98 1015.2
01:08 PM CDT E 9.2 10.00 Clear 00.02 67.3 % NA NA 29.99 1015.6
01:02 PM CDT E 9.2 10.00 Clear -- 66.9 % NA NA 29.99 1015.6
09:55 AM CDT 10.3 10.00 Clear -- 58.3 % NA NA 29.99 1015.6
09:35 AM CDT 10.3 10.00 Clear -- 56.1 32.9 41% NA NA 29.99 1015.6
09:15 AM CDT NE 6.9 10.00 Clear -- 55.8 % NA NA 29.99 1015.6
08:55 AM CDT NE 8.1 10.00 Clear -- 53.6 % NA NA 29.99 1015.6
08:35 AM CDT NE 8.1 10.00 Partly Cloudy -- 51.4 % NA NA 29.98 1015.2
07:15 AM CDT 10.3 10.00 Clear -- 45.9 % 40.8 NA 29.97 1014.9
06:57 AM CDT 9.2 10.00 Clear -- 45.0 % 40.1 NA 29.97 1014.9
05:37 AM CDT 9.2 10.00 Clear -- 44.2 % 39.2 NA 29.94 1013.9
05:15 AM CDT 9.2 10.00 Clear -- 44.6 36.7 74% 39.7 NA 29.94 1013.6
04:52 AM CDT NE 5.8 10.00 Clear -- 45.5 % 42.4 NA 29.92 1013.2
04:09 AM CDT 8.1 10.00 Clear -- 47.3 39.9 75% 43.5 NA 29.91 1012.9
03:55 AM CDT 9.2 10.00 Clear -- 47.5 40.1 75% 43.2 NA 29.90 1012.5
03:14 AM CDT 10.3 10.00 Clear -- 49.5 40.8 72% 45.3 NA 29.90 1012.5
03:00 AM CDT 11.4 10.00 Clear -- 50.0 41.4 72% NA NA 29.90 1012.5
02:35 AM CDT 10.3 10.00 Clear -- 50.9 43.0 74% NA NA 29.89 1012.2

Regional Weather Observation

JUNEAU (KUNU)

Clear
70.5 F

FOND DU LAC (KFLD)

Clear
68.0 F

WEST BEND (KETB)

Clear
68.0 F

OSHKOSH (KOSH)

Clear
66.2 F

WAUKESHA CNTY (KUES)

Clear
66.2 F

MILWAUKEE/LAWREN (KMWC)

Clear
60.8 F
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