Michigan · NWS DTX office

Port Huron, MI weather

It is 48°F and clear at St Clair County International Airport as of Oct 28, 4:55 AM EDT. Overnight: Cloudy, low near 45°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 4:24 AM EDT.

Updated Oct 28, 5:26 AM EDT (snapshot)

Current conditions

Temperature

48°F

Clear · feels like 47°F

Wind

3 mph

Humidity 81% · dew point 43°F

Pressure · visibility

30.28 inHg

Visibility 10 mi

Observed at St Clair County International Airport (KPHN), Oct 28, 4:55 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Port Huron forecast zone right now.

Around the NWS DTX forecast area

No active alerts in zones served by the DTX office near Port Huron.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Michigan.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Port Huron (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM46°FPartly Sunny1%SSE 5 mph
Wed 8 AM47°FPartly Sunny2%SSE 5 mph
Wed 9 AM50°FMostly Sunny2%SSE 5 mph
Wed 10 AM55°FMostly Sunny2%SSE 5 mph
Wed 11 AM59°FSunny1%S 5 mph
Wed 12 PM64°FSunny1%S 6 mph
Wed 1 PM66°FSunny1%SSW 6 mph
Wed 2 PM68°FSunny2%SSW 6 mph
Wed 3 PM68°FSunny1%SSW 6 mph
Wed 4 PM68°FSunny1%SSW 7 mph
Wed 5 PM68°FSunny1%SSW 6 mph
Wed 6 PM66°FClear1%S 6 mph
Wed 7 PM62°FClear1%S 6 mph
Wed 8 PM58°FClear1%S 6 mph
Wed 9 PM57°FClear1%S 6 mph
Wed 10 PM55°FClear0%S 6 mph
Wed 11 PM53°FClear0%S 6 mph
Thu 12 AM52°FMostly Clear0%S 6 mph
Thu 1 AM52°FMostly Clear0%S 6 mph
Thu 2 AM51°FClear0%S 6 mph
Thu 3 AM52°FMostly Clear0%S 6 mph
Thu 4 AM51°FMostly Clear0%SSW 7 mph
Thu 5 AM51°FMostly Clear0%SSW 8 mph
Thu 6 AM51°FSunny0%SSW 8 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Port Huron can differ.

7-day forecast

Overnight

Low 45°F

Cloudy, with a low around 45. Southeast wind around 5 mph.

Wednesday

High 69°F·Low 50°F

Mostly sunny, with a high near 69. South wind around 7 mph.

Wednesday Night: Mostly clear, with a low around 50. South wind around 8 mph.

Thursday

High 71°F·Low 41°F

A chance of rain after 2pm. Mostly sunny, with a high near 71. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: A slight chance of rain before 7pm. Partly cloudy, with a low around 41. West northwest wind 7 to 12 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.

Friday

High 58°F·Low 40°F

Sunny, with a high near 58.

Friday Night: Partly cloudy, with a low around 40.

Saturday

High 59°F·Low 44°F

Partly sunny, with a high near 59.

Saturday Night: Mostly cloudy, with a low around 44.

Sunday

High 63°F·Low 47°F

Mostly cloudy, with a high near 63.

Sunday Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 47.

Monday

High 63°F·Low 48°F

A slight chance of rain after 7am. Mostly cloudy, with a high near 63.

Monday Night: A chance of rain. Mostly cloudy, with a low around 48.

Tuesday

High 61°F

A chance of rain. Mostly cloudy, with a high near 61.

Nearby cities

Larger cities in the area

See every city we cover in Michigan, or check all active alerts.

About this forecast

Forecast office
Port Huron is served by the National Weather Service DTX forecast office, forecast zone MIZ063, county zone MIC147.
Location used
The Census Bureau's internal point for Port Huron (42.9938, -82.4337), in St. Clair County. Population: 28,342 (2024 estimate), number 40 of the 55 Michigan cities on this site.
Radar
Nearest NWS radar: KDTX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/42.9938,-82.4337 (forecast issued Oct 28, 4:24 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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