Observed 6:55 AM EDT at KPHN

Port Huron, MI weather

Clear and 34°1°.

Forecasts agree

Now 34°1°

Clear

Wind: Calm; Light through 8 PM
Dew point: 32°0°; Dry · up to 41°5° by 9 AM (comfortable)
Humidity: 93%; Air 34°1°, dew point 32°0° · frost likely
UV index: 0Low; Moderate 1–4 PM · peak 3
Pressure: 30.46 inHg1031 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (36°2° then, 34°1° now)

Good hours for

Above 50°10° today by 11 AM
High 62°17° today at 3 PM
Fog tonight 2–10 AM
Fog tomorrow night 3–7 AM

This morningUp to 53°12° by 11 AM · Clear
This afternoonUp to 62°17° by 3 PM · Clear
TonightDown to 42°6° by 5 AM · Partly cloudy
Tomorrow morningUp to 57°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 66°19° by 4 PM · Mostly cloudy
Tomorrow nightDown to 49°9° by 4 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 8a	Sunny	38°3° (likely 35°2° to 41°5°)	38°3°	0%	1 mph2 km/h from ESE, gusts 2 mph3 km/h	98%	9%	0
Sat 9a	Sunny	42°6° (likely 37°3° to 44°7°)	42°6°	0%	2 mph3 km/h from ESE, gusts 2 mph3 km/h	97%	10%	0
Sat 10a	Sunny	48°9° (likely 44°7° to 48°9°)	48°9°	0%	2 mph3 km/h from ESE, gusts 3 mph5 km/h	84%	1%	1
Sat 11a	Sunny	53°12° (likely 50°10° to 53°12°)	53°12°	0%	2 mph3 km/h from ESE, gusts 4 mph7 km/h	76%	1%	2
Sat 12p	Sunny	56°13° (likely 54°12° to 56°13°)	56°13°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	71%	1%	2
Sat 1p	Sunny	59°15° (likely 57°14° to 59°15°)	59°15°	0%	3 mph5 km/h from E, gusts 5 mph9 km/h	63%	1%	3
Sat 2p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	3 mph5 km/h from E, gusts 6 mph9 km/h	60%	2%	3
Sat 3p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	3 mph5 km/h from ENE, gusts 6 mph10 km/h	57%	3%	3
Sat 4p	Sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	56%	1%	2
Sat 5p	Sunny	62°17° (likely 57°14° to 62°17°)	62°17°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	58%	1%	1
Sat 6p	Sunny	60°16° (likely 54°12° to 60°16°)	60°16°	0%	3 mph5 km/h from E, gusts 5 mph9 km/h	66%	1%	0
Sat 7p	Mostly clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	3 mph5 km/h from ESE, gusts 5 mph9 km/h	72%	10%	0
Sat 8p	Mostly clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	3 mph5 km/h from SSE, gusts 6 mph10 km/h	83%	24%	0
Sat 9p	Clear	52°11° (likely 47°8° to 52°11°)	52°11°	0%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	88%	39%	0
Sat 10p	Clear	50°10° (likely 46°8° to 50°10°)	48°9°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	92%	40%	0
Sat 11p	Partly cloudy	48°9° (likely 44°7° to 48°9°)	46°8°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	94%	51%	0
Sun 12a	Partly cloudy	47°8° (likely 43°6° to 47°8°)	46°8°	0%	3 mph5 km/h from S, gusts 9 mph15 km/h	97%	51%	0
Sun 1a	Partly cloudy	46°8° (likely 42°6° to 46°8°)	44°7°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	98%	52%	0
Sun 2a	Fog	44°7° (likely 41°5° to 46°8°)	43°6°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	100%	33%	0
Sun 3a	Fog	44°7° (likely 41°5° to 45°7°)	44°7°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	100%	22%	0
Sun 4a	Fog	43°6° (likely 41°5° to 44°7°)	43°6°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	100%	30%	0
Sun 5a	Fog	42°6° (likely 40°4° to 44°7°)	42°6°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	100%	40%	0
Sun 6a	Fog	42°6° (likely 40°4° to 43°6°)	40°4°	0%	3 mph5 km/h from S, gusts 7 mph12 km/h	100%	41%	0
Sun 7a	Fog	42°6° (likely 40°4° to 43°6°)	40°4°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	99%	56%	0
Sun 8a	Fog	42°6° (likely 41°5° to 44°7°)	40°4°	0%	3 mph5 km/h from SSW, gusts 8 mph12 km/h	100%	79%	0
Sun 9a	Fog	46°8° (likely 45°7° to 46°8°)	44°7°	0%	5 mph8 km/h from SSW, gusts 8 mph12 km/h	96%	80%	0
Sun 10a	Cloudy	52°11° (likely 48°9° to 52°11°)	52°11°	0%	6 mph10 km/h from S, gusts 10 mph16 km/h	89%	79%	1
Sun 11a	Partly sunny	57°14° (likely 54°12° to 57°14°)	57°14°	0%	6 mph10 km/h from SSW, gusts 13 mph21 km/h	81%	65%	2
Sun 12p	Cloudy	60°16° (likely 58°14° to 62°17°)	60°16°	0%	7 mph11 km/h from SSW, gusts 14 mph22 km/h	73%	79%	3
Sun 1p	Cloudy	63°17° (likely 61°16° to 65°18°)	63°17°	0%	8 mph13 km/h from SSW, gusts 14 mph22 km/h	64%	78%	4
Sun 2p	Cloudy	64°18° (likely 63°17° to 67°19°)	64°18°	0%	8 mph13 km/h from SSW, gusts 13 mph21 km/h	59%	77%	4
Sun 3p	Cloudy	65°18° (likely 62°17° to 67°19°)	65°18°	0%	9 mph14 km/h from SSW, gusts 13 mph21 km/h	56%	88%	3
Sun 4p	Cloudy	66°19° (likely 63°17° to 66°19°)	66°19°	0%	8 mph13 km/h from SSW, gusts 13 mph21 km/h	55%	86%	2
Sun 5p	Cloudy	64°18° (likely 61°16° to 65°18°)	65°18°	0%	8 mph13 km/h from SSW, gusts 13 mph21 km/h	57%	86%	1
Sun 6p	Sunny	63°17° (likely 58°14° to 63°17°)	63°17°	0%	7 mph11 km/h from SSW, gusts 13 mph21 km/h	61%	43%	1
Sun 7p	Cloudy	60°16° (likely 55°13° to 60°16°)	60°16°	0%	7 mph11 km/h from S, gusts 11 mph18 km/h	66%	71%	0
Sun 8p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	7 mph11 km/h from S, gusts 11 mph18 km/h	74%	22%	0
Sun 9p	Partly cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	77%	26%	0
Sun 10p	Partly cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	6 mph10 km/h from SSW, gusts 11 mph18 km/h	80%	45%	0
Sun 11p	Clear	53°12° (likely 50°10° to 53°12°)	53°12°	0%	6 mph10 km/h from SSW, gusts 11 mph17 km/h	83%	25%	0
Mon 12a	Partly cloudy	52°11° (likely 50°10° to 53°12°)	52°11°	0%	6 mph10 km/h from SSW, gusts 10 mph16 km/h	85%	80%	0
Mon 1a	Partly cloudy	51°11° (likely 50°10° to 53°12°)	50°10°	0%	5 mph8 km/h from SW, gusts 10 mph16 km/h	87%	76%	0
Mon 2a	Cloudy	50°10° (likely 50°10° to 53°12°)	49°9°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	88%	78%	0
Mon 3a	Fog	50°10° (likely 49°9° to 54°12°)	48°9°	0%	5 mph8 km/h from SW, gusts 7 mph12 km/h	88%	71%	0
Mon 4a	Fog	49°9° (likely 49°9° to 53°12°)	47°8°	0%	5 mph8 km/h from WSW, gusts 8 mph12 km/h	89%	54%	0
Mon 5a	Fog	49°9° (likely 48°9° to 52°11°)	47°8°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	89%	40%	0
Mon 6a	Fog	48°9° (likely 48°9° to 51°11°)	46°8°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	91%	48%	0
Mon 7a	Clear	48°9° (likely 47°8° to 51°11°)	46°8°	0%	5 mph8 km/h from NW, gusts 6 mph9 km/h	92%	29%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Fog. High 63°17°, low 42°6°. Typical 57°14° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Fog, 42°6°
  Dry
Official NWS forecast
Today: Patchy fog before 10am. Sunny, with a high near 63. East wind around 3 mph.
Tonight: Patchy fog after 2am. Partly cloudy, with a low around 42. South southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–63°17°
Low, likely
35°2°–42°6°
Typical high / low
57°14° / 43°6°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 66°19°, low 48°9°. Typical 56°13° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Fog, 49°9°
  Dry
Official NWS forecast
Day: Patchy fog before 9am. Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. South southwest wind 3 to 9 mph.
Night: Patchy fog after 2am. Mostly cloudy, with a low around 48. Southwest wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
40°4°–48°9°
Typical high / low
56°13° / 43°6°
Wind
8 mph13 km/h, gusts 17 mph27 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 59°15°, low 41°5°. Typical 56°13° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 9am. Partly sunny, with a high near 59. North northwest wind 5 to 12 mph, with gusts as high as 18 mph.
Night: Mostly cloudy, with a low around 41.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–60°16°
Low, likely
41°5°–50°10°
Typical high / low
56°13° / 42°6°
Wind
14 mph22 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Mostly cloudy. High 54°12°, low 40°4°. Typical 56°13° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 54.
Night: Mostly cloudy, with a low around 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–60°16°
Low, likely
40°4°–45°7°
Typical high / low
56°13° / 42°6°
Wind
13 mph20 km/h, gusts 19 mph31 km/h
UV peak
3
Wednesday, Oct 28. Cloudy. High 63°17°, low 49°9°. Typical 55°13° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63.
Night: A slight chance of rain after 2am. Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
42°6°–50°10°
Typical high / low
55°13° / 42°6°
Wind
12 mph19 km/h, gusts 21 mph33 km/h
UV peak
3
Thursday, Oct 29. Rain. High 67°19°, low 45°7°. Typical 55°13° / 41°5°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 8am. Mostly sunny, with a high near 67.
Night: Partly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
45°7°–55°13°
Typical high / low
55°13° / 41°5°
Wind
15 mph24 km/h, gusts 29 mph46 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 62°17°, low 45°7°. Typical 54°12° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: A slight chance of rain after 2am. Partly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–68°20°
Low, likely
42°6°–53°12°
Typical high / low
54°12° / 41°5°
Wind
15 mph24 km/h, gusts 24 mph38 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 66°19°, low 49°9°. Typical 54°12° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–71°22°
Low, likely
37°3°–54°12°
Typical high / low
54°12° / 41°5°
Wind
11 mph17 km/h, gusts 21 mph34 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 66°19°, low 53°12°. Typical 53°12° / 40°4°. Rain 0.12 in3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  40% chance
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  50% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  40% chance · 0.27 in6.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.16 in4.2 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–70°21°
Low, likely
43°6°–58°14°
Typical high / low
53°12° / 40°4°
Wind
23 mph36 km/h, gusts 35 mph56 km/h
UV peak
1
Monday, Nov 2. Rain. High 62°17°, low 55°13°. Typical 53°12° / 40°4°. Rain 0.61 in15 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  40% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 62°17°
  30% chance · 0.12 in3.1 mm
3. Evening
  6 PM–midnight
  Rain, 55°13°
  30% chance · 0.23 in5.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–66°19°
Low, likely
52°11°–57°14°
Typical high / low
53°12° / 40°4°
Wind
18 mph29 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 42°.
Tomorrow
Dry, high 66°, low 48°, warming up.
Monday
Dry, high 59°, low 41°, cooling off.
Rest of week
Highs 54–67°; chance of precipitation on Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DTX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Lake Huron at Fort Gratiot Tidal Gauge

1.1 mi

Below flood stage

Level: 579 ft

Reading from Sat 6:36 AM · NWS gauge page

St Clair River at St Clair State Police Tidal Gage

13 mi

Below flood stage

Level: 576 ft

Reading from Sat 6:36 AM · NWS gauge page

Black River near Jeddo

15 mi

Below flood stage

Level: 3.0 ft
Flow: 18 cfs

Reading from Sat 6 AM · NWS gauge page

Mill Creek near Avoca

16 mi

Below flood stage

Level: 0.9 ft
Flow: 11 cfs

Reading from Sat 6 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 79% less heating than a typical week.

This week 23Typical 114

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 11
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 32°F).

Open the windows?

Today, 2:00 PM–6:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

PORT HURON · official normals 1991–2020 · records 1931–2026

Oct 24, today vs a typical year

Today’s expected high is 6°3° warmer than typical.

Last 7 days vs normal

On average 4°2° colder than normal (daily mean temperature).

−3°−2°SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Port Huron weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 39 min; Losing 2 min 49 s a day; shortest Dec 21, 1 h 38 min less
Golden hour: 5:53–6:50 PM; Morning 7:36–8:33 AM
Blue hour: 6:50–7:01 PM; Morning 7:25–7:36 AM; first light 7:25 AM

Stars tonight? Fair

Mostly clear 7:01–9 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:05 AM · rises 5:30 PM
Full moon: Oct 26
New moon: Nov 9

Looking northeast from Port Huron. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Port Huron, MI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Lake Huron at Fort Gratiot Tidal Gauge

St Clair River at St Clair State Police Tidal Gage

Black River near Jeddo

Mill Creek near Avoca

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon