Oostburg, WI Weather Forecast & Alerts

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

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Current Conditions — Oostburg, WI

SHEBOYGAN (KSBM)

Clear

42.8 F
Humidity:87%
Wind Speed:E 4.6 mph
Barometer:30.01 in
Dewpoint:39.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:40.1 F
Apr 27 2026, 01:15 AM CDT
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5-Day Forecast — Oostburg, WI

Monday

High 55 °F
T-storms
Monday
Night
Low 48 °F
T-storms
Tuesday

High 59 °F
Mostly Cloudy
Tuesday
Night
Low 41 °F
Mostly Cloudy
Wednesday

High 53 °F
Mostly Cloudy
Wednesday
Night
Low 39 °F
Mostly Clear
Thursday

High 51 °F
Mostly Cloudy
Thursday
Night
Low 37 °F
Mostly Cloudy
Friday

High 50 °F
Partly Sunny

Detailed Forecast — Oostburg, WI

Monday
Thunderstorms. High near 55°F. Wind 13 to 21 mph, with gusts as high as 33 mph.
Monday Night
Thunderstorms. Low around 48°F. Wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly Cloudy. High near 59°F. Wind 7 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly Cloudy. Low around 41°F. Wind around 6 mph, with gusts as high as 12 mph.
Wednesday
Mostly Cloudy. High near 53°F. Wind 3 to 9 mph, with gusts as high as 14 mph.
Wednesday Night
Mostly Clear. Low around 39°F. Wind around 2 mph, with gusts as high as 5 mph.
Thursday
Mostly Cloudy. High near 51°F. Wind 3 to 7 mph, with gusts as high as 9 mph.
Thursday Night
Mostly Cloudy. Low around 37°F. Wind around 2 mph, with gusts as high as 6 mph.
Friday
Partly Sunny. High near 50°F. Wind 3 to 8 mph, with gusts as high as 10 mph.
Friday Night
Mostly Clear. Low around 35°F. Wind around 2 mph, with gusts as high as 6 mph.
Saturday
Mostly Sunny. High near 55°F. Wind 5 to 7 mph, with gusts as high as 10 mph.
Saturday Night
Partly Cloudy. Low around 41°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Partly Sunny. High near 59°F. Wind 6 to 9 mph, with gusts as high as 13 mph.
WI Radar
Current Radar • WI
Day 1 Outlook • April 27, 2026

Observation History — Oostburg, 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)
01:15 AM CDT E 4.6 10.00 Clear -- 42.8 39.2 87% 40.1 NA 30.01 1016.3
01:10 AM CDT E 4.6 10.00 Clear -- 42.8 39.2 87% 40.1 NA 30.01 1016.3
01:05 AM CDT E 4.6 10.00 Clear -- 42.8 39.2 87% 40.1 NA 30.01 1016.3
01:00 AM CDT E 4.6 10.00 Clear -- 42.8 39.2 87% 40.1 NA 30.01 1016.3
12:45 AM CDT E 3.4 10.00 Clear -- 42.8 39.2 87% 41.0 NA 30.01 1016.3
12:35 AM CDT E 4.6 10.00 Clear -- 41.0 39.2 93% 37.9 NA 30.02 1016.6
12:30 AM CDT 3.4 10.00 Clear -- 39.2 39.2 100% 37.0 NA 30.02 1016.6
12:25 AM CDT 3.4 10.00 Clear -- 39.2 39.2 100% 37.0 NA 30.02 1016.6
12:20 AM CDT 0.0 10.00 Clear -- 39.2 39.2 100% NA NA 30.02 1016.6
12:10 AM CDT 0.0 10.00 Clear -- 39.2 39.2 100% NA NA 30.02 1016.6
12:05 AM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.02 1016.6
12:00 AM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.02 1016.6
11:50 PM CDT 0.0 10.00 Clear -- 42.8 39.2 87% NA NA 30.02 1016.6
11:45 PM CDT 0.0 10.00 Clear -- 42.8 39.2 87% NA NA 30.03 1016.9
11:40 PM CDT 0.0 10.00 Clear -- 42.8 39.2 87% NA NA 30.03 1016.9
11:35 PM CDT 0.0 10.00 Clear -- 42.8 39.2 87% NA NA 30.03 1016.9
11:30 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.03 1016.9
11:20 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.04 1017.3
11:15 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.04 1017.3
11:05 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.04 1017.3
11:00 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.05 1017.6
10:50 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.05 1017.6
10:45 PM CDT 0.0 10.00 Clear -- 41.0 39.2 93% NA NA 30.05 1017.6
10:35 PM CDT E 3.4 10.00 Clear -- 41.0 39.2 93% 39.0 NA 30.05 1017.6

Regional Weather Observation

SHEBOYGAN (KSBM)

Clear
42.8 F

OSHKOSH (KOSH)

Clear
48.2 F

FOND DU LAC (KFLD)

Clear
46.4 F

WEST BEND (KETB)

Clear
44.6 F

MANITOWAC MUNI (KMTW)

Clear
42.8 F

MILWAUKEE/LAWREN (KMWC)

Clear
42.8 F
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