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
| 22 December 2025 Mon -8.9 ° C ( 16°F )  Clear |
Feels Like : -14.1 ° C / 6.6°F Humidity : % 79 Pressure : 1031 mb Wind Speed : 10.4 kmph / 6.5 miles from SW 
Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 22 December 2025 Mon |  Moderate or heavy snow showers |
-6.4 ° C | -0.9 ° C | -3.1 ° C | % 82 | 17.6 km/h | 81% |
| 23 December 2025 Tue | Moderate or heavy snow showers |
-0.9 ° C | 2.2 ° C | 0.6 ° C | % 96 | 20.5 km/h | 67% |
| 24 December 2025 Wed |  Overcast |
-1.8 ° C | 0.2 ° C | -0.8 ° C | % 88 | 18 km/h | 0% |
| 25 December 2025 Thu |  Patchy rain nearby |
1.2 ° C | 3.6 ° C | 2.7 ° C | % 97 | 17.3 km/h | 89% |
| 26 December 2025 Fri |  Moderate rain |
-2.3 ° C | 11.9 ° C | 6.1 ° C | % 88 | 32 km/h | 88% |
| 27 December 2025 Sat |  Partly Cloudy |
-3.4 ° C | 0.7 ° C | -1.1 ° C | % 70 | 18 km/h | 0% |
| 28 December 2025 Sun | Partly Cloudy |
-5.6 ° C | 2.1 ° C | -1 ° C | % 68 | 34.2 km/h | 0% |
| 29 December 2025 Mon | Partly Cloudy |
-7.4 ° C | -4.9 ° C | -6 ° C | % 55 | 29.2 km/h | 0% |
| 30 December 2025 Tue | Overcast |
-4 ° C | 3.2 ° C | -0.2 ° C | % 59 | 29.5 km/h | 0% |
| 31 December 2025 Wed | Partly Cloudy |
-7.2 ° C | -3.4 ° C | -4.6 ° C | % 59 | 27 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
-1.5 ° C | 6.3 ° C | 2.5 ° C | % 85 | 29.2 km/h | 0% |
| 02 January 2026 Fri | Patchy rain nearby |
-0.9 ° C | 10.4 ° C | 5 ° C | % 86 | 46.8 km/h | 83% |
| 03 January 2026 Sat |  Blowing snow |
-2.2 ° C | 0 ° C | -1.1 ° C | % 60 | 34.9 km/h | 0% |
| 04 January 2026 Sun |  Light freezing rain |
-2.5 ° C | 0.7 ° C | -0.8 ° C | % 70 | 26.6 km/h | 62% |
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