St Clair County International Airport (PHN) 15 Day Weather Forecast, Port Huron United States

Current weather conditions and 15 day weather forecast for St Clair County International Airport in Port Huron, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at PHN

15 September 2026 Tue
24.1 ° C
( 75.3°F )

Patchy rain nearby
Patchy rain nearby
Feels Like : 22.4 ° C / 72.3°F
Humidity : % 57
Pressure : 1018 mb
Wind Speed : 17.3 kmph / 10.7 miles from SSWSSW
Visibility : 10 km
Precipitation (rainfall) : 0.02 mm
Cloud (%) : 95

15-day weather forecast for St Clair County International Airport, Port Huron, United States

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
15 September 2026 Tue Overcast Overcast 12.9 ° C 25.2 ° C 19 ° C % 69 31 km/h 47%
16 September 2026 Wed Overcast Overcast 17.2 ° C 21 ° C 18.5 ° C % 79 20.9 km/h 48%
17 September 2026 Thu Overcast Overcast 16.5 ° C 20.2 ° C 18 ° C % 71 16.2 km/h 17%
18 September 2026 Fri Overcast Overcast 14.7 ° C 17.8 ° C 16 ° C % 70 25.6 km/h 12%
19 September 2026 Sat Light rain shower Light rain shower 9 ° C 14.9 ° C 12 ° C % 81 21.6 km/h 88%
20 September 2026 Sun Overcast Overcast 12.4 ° C 16.6 ° C 14.3 ° C % 79 18.4 km/h 57%
21 September 2026 Mon Patchy rain nearby Patchy rain nearby 12.9 ° C 19.5 ° C 16 ° C % 82 18.7 km/h 77%
22 September 2026 Tue Patchy rain nearby Patchy rain nearby 14.9 ° C 20.5 ° C 17.4 ° C % 89 13.3 km/h 62%
23 September 2026 Wed Sunny Sunny 15.2 ° C 22.7 ° C 18.4 ° C % 84 11.2 km/h 14%
24 September 2026 Thu Overcast Overcast 17 ° C 24.4 ° C 20.5 ° C % 84 22.3 km/h 82%
25 September 2026 Fri Light rain shower Light rain shower 18.2 ° C 24.1 ° C 20.2 ° C % 93 21.2 km/h 91%
26 September 2026 Sat Light rain shower Light rain shower 12.6 ° C 18.1 ° C 15.4 ° C % 89 31.3 km/h 89%
27 September 2026 Sun Sunny Sunny 10.4 ° C 15.1 ° C 13.1 ° C % 61 20.2 km/h 7%
28 September 2026 Mon Sunny Sunny 8.3 ° C 15.2 ° C 11.3 ° C % 62 15.5 km/h 5%
Weather forecasts are usually fully updated every 3 hours.

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