Oshkosh, Appleton, and Fond du Lac

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"Brick" streets of downtown Oshkosh on U.S. Highway 45. It is listed on the National Register of Historic Places as the Main Street Historic District.

Today’s Forecast:

75°F
Current Temperature
Mostly Clear
Station: KOSH
Observed at: 2:25 pm
Wind: 0 mph | Humidity: 36%

This Afternoon:Mostly sunny, with a high near 76. Heat index values as high as 76. Southwest wind around 7 mph.
Tonight:Partly cloudy. Low around 60, with temperatures rising to around 62 overnight. South southwest wind around 7 mph.
Friday:Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. Heat index values as high as 79. Southwest wind 5 to 10 mph.

Today’s Report:

Boating

Excellent
  100 /100

Excellent for boating. High near 76°F. Light wind (7 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100

Camping

Excellent
  99 /100

Excellent for camping. High near 76°F. Light wind (7 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 94/100

🎪 Outdoor Events / Activities

Excellent
  100 /100

Excellent for outdoor events / activities. High near 76°F. Light wind (7 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100

🐟 Fishing

Excellent
  99 /100

Excellent for fishing. High near 76°F. Light wind (7 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 95/100

About Oshkosh

Oshkosh sits on the Fox River and Lake Winnebago, giving it a strong mix of water recreation, parks, golf, trails, events, and easy weekend activity. It is a place where a calm, warm forecast can quickly turn into a boat day, paddle, waterfront walk, or outdoor event plan.

Wind is one of the bigger factors here. Lake Winnebago can feel rougher than people expect, especially for smaller boats or paddling. On breezier days, golf, parks, trails, restaurants, and indoor attractions can be the better fit.

Make the Most of a Oshkosh Day

Use the best wind and storm window for water activities, then keep your afternoon flexible. Oshkosh offers enough nearby options that you can change course without losing the day.

Weather Tips for Oshkosh

Lake Winnebago can create stronger wind and choppier conditions than inland forecasts suggest. Summer storms can also alter water and event plans quickly.

A few things worth watching before you head out:

  • Lake wind: Wind matters for boats, paddlecraft, shore fishing, and waterfront comfort.
  • Thunderstorms: Check timing before spending a long stretch on the water or at an open event.
  • Heat: Open lakefront and festival areas can feel hotter with little shade.
  • Rain timing: A morning window may be enough for a lakefront walk or shorter paddle.
  • Cooler water: Water temperatures can lag behind air temperatures in spring and early summer.

Plan Around the Conditions

When the lake is calm, prioritize boating, paddling, or waterfront time. If it is windy, shift toward golf, trails, local attractions, food, or a shorter shore-based visit.

7-Day Forecast for Oshkosh:

75°F
Current Temperature
Mostly Clear
Station: KOSH
Observed at: 2:25 pm
Wind: 0 mph | Humidity: 36%
Thu
76° 60°
0%
Fri
80° 63°
0%
Sat
83° 69°
10%
Sun
87° 71°
36%
Mon
87° 67°
48%
Tue
81° 64°
8%
Wed
82° 64°
13%

7-Day High Temperature Trend

76° Thu 80° Fri 83° Sat 87° Sun 87° Mon 81° Tue 82° Wed

7-Day Low Temperature Trend

60° Thu 63° Fri 69° Sat 71° Sun 67° Mon 64° Tue 64° Wed

📊 7-Day Outdoor Outlook

Good Fair Poor 94 Thu 70 Fri 20 Sat 12 Sun 4 Mon 20 Tue 20 Wed
Forecast data from the National Weather Service  |  Last Updated: July 23, 2026 2:54 pm CDT