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WeatherLive › Wisconsin › Lake Delton

Lake Delton, WI Weather (53940)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherLake Delton · 4:59 AM CDT
86° | 56°
56°F
Feels like 55°
Partly cloudy
WindSW 3 mph · Gusts 12 mph
Precip18% · –
Humidity79% · Dew point 50°
UV index6 Moderate
Air Quality24 Good
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:15 AM · 7:47 PM · 13h 32m

Weather map — Lake Delton

Full radar →
Now
56°
13%
3 mph
05:00
56°
17%
4 mph
06:00
56°
18%
4 mph
07:00
56°
22%
4 mph
08:00
61°
25%
6 mph
09:00
67°
9%
7 mph
10:00
72°
5%
7 mph
11:00
77°
3%
6 mph
12:00
79°
3%
9 mph
13:00
81°
8%
10 mph
14:00
86°
1%
11 mph
15:00
86°
1%
12 mph
16:00
74°
14%
12 mph
17:00
74°
15%
11 mph
18:00
73°
17%
11 mph
19:00
71°
21%
9 mph
20:00
71°
28%
7 mph
21:00
69°
30%
7 mph
22:00
68°
43%
8 mph
23:00
67°
38%
9 mph
00:00
68°
37%
9 mph
01:00
67°
44%
9 mph
02:00
66°
32%
14 mph
03:00
65°
16%
15 mph

Today · Tue 8/25

High 86°
18% / –

Sunny. Winds SW at 12 mph.

Overnight · Tue 8/25

Low 56°
— / –

Sunny.

Tomorrow · Wed 8/26

81° | 63°
36% / 0.03 in

Sunny. Winds SW at 15 mph.

7-day trend

Lake Delton · temperature + precipitation

10-day forecast

Updated 4:59 AM

Details & indices

Wind
3 mph SW
Gusts 12 mph
Humidity
79%
Dew point 50°
Pressure
30.09 inHg
Rising
UV index
6 — Moderate
High today
Air Quality
Good
AQI 24 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Lake Delton

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:15 AM
Sunset7:47 PM
Length of day13h 32m
Moonrise6:47 PM
Moonset3:18 AM
Moon phase🌔 Waxing Gibbous · 93%
Next full moonAug 27 Sturgeon Moon
Latitude43.6011°N
Longitude-89.7937°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Milwaukee
Sunny
57°
Madison
Sunny
58°
Data sources · Tuesday, August 25
Where the Lake Delton forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.6011°N, -89.7937°.
NBM + global weather models
Updated: 4:59 AM
Weather in Lake Delton
Over the next 10 days Lake Delton tops out around 86° (Tuesday) and dips to 49° on the coolest night (Thursday). Roughly 0.95 in of rain falls over the period, with Sunday the most likely wet day (90%). Hold onto the patio furniture Wednesday: gusts could hit 37 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Lake Delton is about 12° cooler than nearby Rochester. Longer view: four full seasons with serious winter and real summer heat.
Lake Delton, WI · Elev 915 ft · 43.60°N, 89.79°W · Wisconsin · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 4:59 AM