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Port Sanilac MI Weather - Clear - 68°F
Clear
68°F
Updated 11:29 am
Feels Like 56°F
Humidity 68%
Wind NNE 8 mph
Barometer  30.05 in
Dew Point 57°F
Port Sanilac MI Weather - Clear - 20°C
Clear
20°C
Updated 11:29 am
Feels Like 14°C
Humidity 68%
Wind NNE 13 km/h
Barometer  101.7 kPa
Dew Point 14°C
Port Sanilac, MI Weather and Current Conditionsport sanilac mi weather forecast

Port Sanilac, MI Weather Forecast

Port Sanilac Michigan WeatherPort Sanilac, Michigan Weather Weather Forecast
14 day API forecast for Port Sanilac, Michigan. Note. The 7-day weather forecast for Port Sanilac, MI is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Port Sanilac, MI Weather Forecast Dated: 1129 AM Mon Sep 28 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Monday, September 28, 2026

Mid-Morning
Port Sanilac Weather - 2026-09-28 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Port Sanilac Weather - 2026-09-28 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Port Sanilac Weather - 2026-09-28 - Evening - Sunny
62°F 17°C
Sunny
Refreshing around 61°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NNE at 12 mph 20 km/h.

Tuesday, September 29, 2026

Mid-Morning
Port Sanilac Weather - 2026-09-29 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Port Sanilac Weather - 2026-09-29 - Afternoon - Partly Cloudy
63°F 17°C
Partly Cloudy
Early-Evening
Port Sanilac Weather - 2026-09-29 - Evening - Overcast
67°F 20°C
Overcast
Mildly cool near 63°F 17°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds building from WNW at 3 mph 4 km/h to SSW at 11 mph 18 km/h.

Wednesday, September 30, 2026

Mid-Morning
Port Sanilac Weather - 2026-09-30 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Port Sanilac Weather - 2026-09-30 - Afternoon - Scattered Showers
63°F 17°C
Scattered Showers
Early-Evening
Port Sanilac Weather - 2026-09-30 - Evening - Overcast
66°F 19°C
Overcast
Comfortable at 63°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the SSW to the S at 13 mph 21 km/h.

Thursday, October 1, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-01 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Port Sanilac Weather - 2026-10-01 - Afternoon - Light Showers
72°F 22°C
Light Showers
Early-Evening
Port Sanilac Weather - 2026-10-01 - Evening - Light Showers
65°F 18°C
Light Showers
Mild temperatures up to 72°F 22°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure. Winds swinging from the SSW to the NW at 12 mph 20 km/h.

Friday, October 2, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-02 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Port Sanilac Weather - 2026-10-02 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Port Sanilac Weather - 2026-10-02 - Evening - Sunny
57°F 14°C
Sunny
Brisk around 57°F 14°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the NW to the SE at 13 mph 21 km/h.

Saturday, October 3, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-03 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Port Sanilac Weather - 2026-10-03 - Afternoon - Overcast
53°F 12°C
Overcast
Early-Evening
Port Sanilac Weather - 2026-10-03 - Evening - Cloudy
55°F 13°C
Cloudy
Cool and brisk at 53°F 12°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Sunday, October 4, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-04 - Morning - Scattered Showers
55°F 13°C
Scattered Showers
Mid-Afternoon
Port Sanilac Weather - 2026-10-04 - Afternoon - Light Showers
54°F 12°C
Light Showers
Early-Evening
Port Sanilac Weather - 2026-10-04 - Evening - Light Showers
53°F 12°C
Light Showers
Chilly near 54°F 12°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds turning from the SSE to the WSW at 11 mph 17 km/h.

Monday, October 5, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-05 - Morning - Light Showers
51°F 10°C
Light Showers
Mid-Afternoon
Port Sanilac Weather - 2026-10-05 - Afternoon - Cloudy
50°F 10°C
Cloudy
Early-Evening
Port Sanilac Weather - 2026-10-05 - Evening - Scattered Showers
50°F 10°C
Scattered Showers
Crisp with a high near 50°F 10°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds out of the WNW at 28 mph 45 km/h. Gusts up to 36 mph 59 km/h.

Tuesday, October 6, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-06 - Morning - Scattered Showers
51°F 11°C
Scattered Showers
Mid-Afternoon
Port Sanilac Weather - 2026-10-06 - Afternoon - Scattered Showers
52°F 11°C
Scattered Showers
Early-Evening
Port Sanilac Weather - 2026-10-06 - Evening - Overcast
53°F 12°C
Overcast
Brisk around 52°F 11°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds moving from the NW to the WNW at 10 mph 17 km/h.

Wednesday, October 7, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-07 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Port Sanilac Weather - 2026-10-07 - Afternoon - Cloudy
58°F 15°C
Cloudy
Early-Evening
Port Sanilac Weather - 2026-10-07 - Evening - Overcast
59°F 15°C
Overcast
Mildly cool near 58°F 15°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds swinging from the SW to the S at 15 mph 23 km/h.

Thursday, October 8, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-08 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Port Sanilac Weather - 2026-10-08 - Afternoon - Scattered Showers
56°F 14°C
Scattered Showers
Early-Evening
Port Sanilac Weather - 2026-10-08 - Evening - Cloudy
55°F 13°C
Cloudy
Chilly near 56°F 14°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the SW to the WSW at 17 mph 27 km/h.

Friday, October 9, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-09 - Morning - Light Showers
51°F 11°C
Light Showers
Mid-Afternoon
Port Sanilac Weather - 2026-10-09 - Afternoon - Light Showers
51°F 11°C
Light Showers
Early-Evening
Port Sanilac Weather - 2026-10-09 - Evening - Light Showers
51°F 10°C
Light Showers
Crisp with a high near 51°F 11°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds blowing from the NNW at 15 mph 23 km/h.

Saturday, October 10, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-10 - Morning - Scattered Showers
53°F 11°C
Scattered Showers
Mid-Afternoon
Port Sanilac Weather - 2026-10-10 - Afternoon - Scattered Showers
52°F 11°C
Scattered Showers
Early-Evening
Port Sanilac Weather - 2026-10-10 - Evening - Scattered Showers
56°F 13°C
Scattered Showers
Brisk around 52°F 11°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds switching from the ENE to the NE at 16 mph 25 km/h.

Sunday, October 11, 2026

Mid-Morning
Port Sanilac Weather - 2026-10-11 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Port Sanilac Weather - 2026-10-11 - Afternoon - Scattered Showers
55°F 13°C
Scattered Showers
Early-Evening
Port Sanilac Weather - 2026-10-11 - Evening - Scattered Showers
55°F 13°C
Scattered Showers
Cool and brisk at 55°F 13°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds picking up from NE at 10 mph 16 km/h to WSW at 20 mph 32 km/h. Gusts up to 22 mph 35 km/h.

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Weather by the Numbers

Mon, 28th
Port Sanilac MI Weather - Monday, Sep 28, 2026 - Sunny
Hi: 62°F 17°C
Lo: 61°F 16°C
Sunrise 07:25 AM
Sunset 07:17 PM
Wind N 12 mph19 km/h
Dew Point 56°F13°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 81%
Tue, 29th
Port Sanilac MI Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 67°F 20°C
Lo: 58°F 15°C
Sunrise 07:26 AM
Sunset 07:15 PM
Wind SE 5 mph8 km/h
Dew Point 51°F11°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 6% *
Humidity 70%
Wed, 30th
Port Sanilac MI Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 67°F 19°C
Lo: 62°F 17°C
Sunrise 07:27 AM
Sunset 07:13 PM
Wind SSW 7 mph11 km/h
Dew Point 56°F14°C
uv Index 2
Barometric Pressure 30 in1016 mb
POP 23% *
Humidity 79%
Thu, 1st
Port Sanilac MI Weather - Thursday, Oct 1, 2026 - Overcast
Hi: 75°F 24°C
Lo: 58°F 14°C
Sunrise 07:28 AM
Sunset 07:11 PM
Wind WSW 19 mph30 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 13% *
Humidity 57%
Fri, 2nd
Port Sanilac MI Weather - Friday, Oct 2, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 52°F 11°C
Sunrise 07:29 AM
Sunset 07:09 PM
Wind NNW 12 mph19 km/h
Dew Point 40°F4°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 14% *
Humidity 51%
Sat, 3rd
Port Sanilac MI Weather - Saturday, Oct 3, 2026 - Overcast
Hi: 56°F 13°C
Lo: 52°F 11°C
Sunrise 07:30 AM
Sunset 07:08 PM
Wind ENE 6 mph10 km/h
Dew Point 38°F4°C
uv Index 3
Barometric Pressure 30.33 in1027 mb
POP 6% *
Humidity 57%
Sun, 4th
Port Sanilac MI Weather - Sunday, Oct 4, 2026 - Light Rain Shower
Hi: 56°F 13°C
Lo: 52°F 11°C
Sunrise 07:31 AM
Sunset 07:06 PM
Wind SSE 18 mph29 km/h
Dew Point 49°F9°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 44% *
Humidity 80%
Mon, 5th
Port Sanilac MI Weather - Monday, Oct 5, 2026 - Light Rain Shower
Hi: 54°F 12°C
Lo: 49°F 9°C
Sunrise 07:33 AM
Sunset 07:04 PM
Wind W 27 mph44 km/h
Dew Point 45°F7°C
uv Index 2
Barometric Pressure 29.59 in1002 mb
POP 68% *
Humidity 84%
Tue, 6th
Port Sanilac MI Weather - Tuesday, Oct 6, 2026 - Patchy Rain Nearby
Hi: 53°F 12°C
Lo: 50°F 10°C
Sunrise 07:34 AM
Sunset 07:02 PM
Wind NW 15 mph24 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 14% *
Humidity 72%
Wed, 7th
Port Sanilac MI Weather - Wednesday, Oct 7, 2026 - Partly Cloudy
Hi: 60°F 16°C
Lo: 47°F 8°C
Sunrise 07:35 AM
Sunset 07:00 PM
Wind S 9 mph15 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 6% *
Humidity 66%
Thu, 8th
Port Sanilac MI Weather - Thursday, Oct 8, 2026 - Light Rain Shower
Hi: 57°F 14°C
Lo: 52°F 11°C
Sunrise 07:36 AM
Sunset 06:59 PM
Wind W 11 mph17 km/h
Dew Point 49°F10°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 36% *
Humidity 85%
Fri, 9th
Port Sanilac MI Weather - Friday, Oct 9, 2026 - Light Rain Shower
Hi: 53°F 12°C
Lo: 51°F 10°C
Sunrise 07:37 AM
Sunset 06:57 PM
Wind NNW 14 mph22 km/h
Dew Point 42°F6°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 33% *
Humidity 72%
Sat, 10th
Port Sanilac MI Weather - Saturday, Oct 10, 2026 - Light Rain Shower
Hi: 56°F 13°C
Lo: 51°F 11°C
Sunrise 07:39 AM
Sunset 06:55 PM
Wind NE 16 mph26 km/h
Dew Point 46°F8°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 38% *
Humidity 79%
Sun, 11th
Port Sanilac MI Weather - Sunday, Oct 11, 2026 - Cloudy
Hi: 55°F 13°C
Lo: 53°F 12°C
Sunrise 07:40 AM
Sunset 06:53 PM
Wind NNE 13 mph20 km/h
Dew Point 48°F9°C
uv Index 3
Barometric Pressure 29.71 in1006 mb
POP 22% *
Humidity 79%
* POP = Probability of Precipitation. Data for 12:00 PM.