Alpena & Thunder Bay, MI

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Lighthouse at the Alpena Marina

Today’s Forecast:

☁
37°F
High: 39° | Low: 35°
Current Temperature
Cloudy
Station: KAPN
Observed at: 3:15 pm CST on 11/13/26
Wind: 8 mph | Humidity: 75%

This Afternoon:Rain and snow showers likely. Cloudy, with a high near 39. North wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tonight:Snow showers likely before 7pm, then rain and snow showers likely between 7pm and 2am, then a chance of rain and snow showers. Cloudy, with a low around 35. North wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Saturday:A chance of rain and snow showers before 7am. Cloudy, with a high near 41. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

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Today’s Report:

⛵ Boating

  12 /100

Not Recommended for boating. High near 41°F. Low rain risk (13%). Breezy winds (15 mph). Temperatures outside comfort limits (41°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 23/100
Not Recommended for boating. High near 43°F. Temperatures outside comfort limits (43°F).

🛶 Paddling

  12 /100

Not Recommended for paddling. High near 41°F. Low rain risk (13%). Breezy winds (15 mph). Temperatures outside comfort limits (41°F).

  • Temp: Unfavorable weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 23/100
Not Recommended for paddling. High near 43°F. Temperatures outside comfort limits (43°F).

🥾 Hiking

Good
  72 /100

Good for hiking. High near 41°F. Low rain risk (13%). Light wind (15 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 75/100
Ideal conditions for hiking. Comfortable temperature (high near 43°F), light wind, and clear forecast.

🐟 Fishing

Use Caution
  42 /100

Use Caution for fishing. High near 41°F. Low rain risk (13%). Breezy winds (15 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 79/100
Ideal conditions for fishing. Comfortable temperature (high near 43°F), light wind, and clear forecast.

About Alpena & Thunder Bay

Alpena & Thunder Bay is a northeast Michigan gateway for Lake Huron shoreline, shipwreck-focused boating, paddling, trails, parks, and quieter outdoor weekends. The bay setting makes weather planning essential because wind, fog, waves, and storm timing can change water plans fast. It is a good destination for flexible days that combine shoreline, trail, and town options.

Make the Most of a Alpena & Thunder Bay Day

Use marine conditions to decide whether the day belongs on the water or along the shore. Calm, clear periods favor boating, kayaking in appropriate areas, and beach walks, while breezy or foggy weather is better for trails, overlooks, and town-based stops. Keep thunderstorm timing in mind before heading to exposed beaches or launches.

Weather Tips for Alpena & Thunder Bay

  • Thunder Bay can become choppy with persistent wind, which affects small craft and paddling comfort.
  • Fog can reduce visibility on the water and along the shoreline.
  • Cool lake air can make spring and fall walks feel colder than inland forecasts.
  • Storms should move plans away from beaches, docks, and open water immediately.

Plan Around the Conditions

Use the forecast as a way to choose the best version of Alpena & Thunder 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 Alpena & Thunder Bay

☁
37°F
High: 39° | Low: 35°
Current Temperature
Cloudy
Station: KAPN
Observed at: 3:15 pm CST on 11/13/26
Wind: 8 mph | Humidity: 75%
Fri ❄
39° 35°
56%
Sat ❄
41° 34°
27%
Sun ⛅
43° 31°
2%
Mon ☀
50° 34°
0%
Tue ☀
54° 37°
0%
Wed ⛅
54° 39°
0%
Thu ⛅
54° 43°
5%

7-Day High Temperature Trend

39° Fri 41° Sat 43° Sun 50° Mon 54° Tue 54° Wed 54° Thu

7-Day Low Temperature Trend

35° Fri 34° Sat 31° Sun 34° Mon 37° Tue 39° Wed 43° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 19 Fri 20 Sat 20 Sun 70 Mon 90 Tue 90 Wed 90 Thu
Forecast data from the National Weather Service  |  Last Updated: November 13, 2026 10:28 pm CST