Now

65°

22%

8 mph

09:00

69°

10%

10 mph

10:00

72°

16%

10 mph

11:00

76°

12%

11 mph

12:00

78°

9 mph

13:00

81°

9 mph

14:00

83°

7 mph

15:00

84°

6 mph

16:00

84°

11%

7 mph

17:00

83°

11%

7 mph

18:00

78°

49%

7 mph

19:00

75°

0.08 in

5 mph

20:00

72°

0.15 in

4 mph

21:00

69°

0.20 in

4 mph

22:00

68°

0.19 in

2 mph

23:00

69°

0.07 in

2 mph

00:00

68°

55%

3 mph

01:00

68°

46%

5 mph

02:00

68°

43%

5 mph

03:00

67°

43%

6 mph

04:00

67°

32%

8 mph

05:00

67°

25%

9 mph

06:00

68°

25%

7 mph

07:00

67°

23%

6 mph

10-day forecast

Updated 8:34 AM

Sat · Today · 15 Aug Sunny

84° 61° 0.71 in

Sun · Tomorrow · 16 Aug Sunny

81° 62° 0.01 in

Monday · 17 Aug Sunny

82° 57° 2%

Tuesday · 18 Aug Showers

74° 60° 0.81 in

Wednesday · 19 Aug Showers

77° 56° 0.09 in

Thursday · 20 Aug Sunny

81° 60° 4%

Friday · 21 Aug Sunny

80° 60° 7%

Saturday · 22 Aug Sunny

86° 62° 6%

Sunday · 23 Aug Sunny

89° 65° 4%

Monday · 24 Aug Sunny

86° 63° 0.08 in

Details & indices

Wind

8 mph E

Gusts 13 mph

Humidity

77%

Dew point 58°

Pressure

30.12 inHg

Rising

UV index

2 — Low

High today

Air Quality

Good

AQI 26 · US EPA

Allergy

None detected

—

Visibility

6 mi

Clear view

Allergy — Marathon

🌿 Conditions right now

View all →

Birch

None

Grass

None

Oak

None

Alder

None

Hazel

None

Mugwort

None

Ragweed

None

Sun & moon

Sunrise6:01 AM

Sunset8:06 PM

Length of day14h 5m

Moonrise9:30 AM

Moonset9:17 PM

Moon phase🌒 Waxing Crescent · 10%

Next full moonAug 27 Sturgeon Moon

Latitude44.9291°N

Longitude-89.8404°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

Poor

Line-drying weather

Grilling

Fair

Fire up the grill

Running

Poor

Lace up outside

Patio

Fair

Dinner outdoors

Nearby places in {{REGION}}

Data sources · Saturday, August 15

Where the Marathon 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: 44.9291°N, -89.8404°.

NBM + global weather models

Updated: 8:34 AM

Weather in Marathon

Marathon's outlook: warmest day near 89° (Sunday), coldest night about 56° (Wednesday). Models drop roughly 1.7 in of precipitation across the stretch — watch Tuesday (88%). Wind is the one to watch: gusts to 26 mph around Sunday. The NWS alert board for this area is currently clear. Right now Marathon is about 6° cooler than nearby Milwaukee. Longer view: four full seasons with serious winter and real summer heat.

Marathon, WI · Elev 1,283 ft · 44.93°N, 89.84°W · Wisconsin · Forecast computed for these exact coordinates

Marathon, WI Weather (54448)

Weather map — Marathon

Today · Sat 8/15

Tonight · Sat 8/15

Tomorrow · Sun 8/16

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner