Bay City & Saginaw Bay, MI

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Bay City, looking East from Veterans Memorial Park. Bay City, Michigan at dusk.

Today’s Forecast:

☀
55°F
High: 69° | Low: 48°
Current Temperature
Clear
Station: KMBS
Observed at: 9:05 pm CDT on 9/26/26
Wind: 6 mph | Humidity: 88%

Tonight:Areas of fog after 1am. Mostly clear, with a low around 48. North northeast wind around 5 mph.
Sunday:Patchy fog before 9am. Sunny, with a high near 69. North northeast wind 5 to 12 mph, with gusts as high as 20 mph.
Sunday Night:Areas of fog after 1am. Mostly clear, with a low around 50. North northeast wind 3 to 10 mph, with gusts as high as 18 mph.

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Today’s Report:

⛵ Boating

Excellent
  89 /100

Excellent for boating. High near 69°F. Breezy winds (12 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for boating. High near 71°F. Light wind (7 mph).

🛶 Paddling

Use Caution
  46 /100

Use Caution for paddling. High near 69°F. Breezy winds (12 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for paddling. High near 71°F. Light wind (7 mph).

🎪 Outdoor Events / Activities

Excellent
  100 /100

Excellent for outdoor events / activities. High near 69°F. Light wind (12 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for outdoor events / activities. High near 71°F. Light wind (7 mph).

🐟 Fishing

Excellent
  96 /100

Excellent for fishing. High near 69°F. Breezy winds (12 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for fishing. High near 71°F. Light wind (7 mph).

About Bay City & Saginaw Bay

Bay City & Saginaw Bay is a bayfront destination for boating, paddling, birding, riverfront walks, festivals, and Great Lakes day trips. Weather planning should focus on bay wind, water levels, storms, and heat because open-water exposure can change quickly. The area works best when you choose between bay, riverfront, park, and downtown plans based on the day you actually have.

Make the Most of a Bay City & Saginaw Bay Day

Use calmer conditions for boating and open bay plans, and choose riverfront walks or protected paddling when winds are moderate. If storms are possible, keep the day close to shore and avoid long exposed outings. Warm days can still be good for events and walks if you plan shade and breaks.

Weather Tips for Bay City & Saginaw Bay

  • Saginaw Bay can build chop quickly with persistent wind, especially for small craft and paddlers.
  • Riverfront paths can feel humid and sunny during summer afternoons.
  • Storms are a serious concern around docks, launches, open parks, and event grounds.
  • Spring and fall can be breezy and cool near the bay even when inland areas feel mild.

Plan Around the Conditions

Use the forecast as a way to choose the best version of Bay City & Saginaw Bay, not as a simple yes-or-no answer. Match the wind, rain timing, temperature, and water or trail conditions to the activity that gives your group the safest and most comfortable day.

7-Day Forecast for Bay City & Saginaw Bay

☀
55°F
High: 69° | Low: 48°
Current Temperature
Clear
Station: KMBS
Observed at: 9:05 pm CDT on 9/26/26
Wind: 6 mph | Humidity: 88%
Sun 🌫
69° 50°
0%
Mon 🌫
71° 50°
0%
Tue 🌫
76° 56°
0%
Wed 🌧
72° 58°
42%
Thu 🌧
73° 54°
48%
Fri 🌧
68° 50°
43%
Sat 🌧
67° --°
18%

7-Day High Temperature Trend

69° Sun 71° Mon 76° Tue 72° Wed 73° Thu 68° Fri 67° Sat

7-Day Low Temperature Trend

50° Sun 50° Mon 56° Tue 58° Wed 54° Thu 50° Fri 50° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Sun 100 Mon 90 Tue 95 Wed 95 Thu 95 Fri 100 Sat
Forecast data from the National Weather Service  |  Last Updated: September 27, 2026 12:57 am CDT