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
| 14 March 2026 Sat 0.2 ° C ( 32.4°F )  Partly cloudy |
Feels Like : -5 ° C / 23°F Humidity : % 51 Pressure : 1023 mb Wind Speed : 20.2 kmph / 12.5 miles from NW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat | Partly Cloudy |
-1.4 ° C | 4.7 ° C | 0.6 ° C | % 68 | 42.1 km/h | 0% |
| 15 March 2026 Sun |  Patchy rain nearby |
-2.1 ° C | 12.4 ° C | 4.7 ° C | % 85 | 48.2 km/h | 81% |
| 16 March 2026 Mon |  Heavy rain |
-4.8 ° C | 10.8 ° C | 5.5 ° C | % 83 | 51.8 km/h | 79% |
| 17 March 2026 Tue |  Overcast |
-7.3 ° C | -2.3 ° C | -5.3 ° C | % 56 | 40.3 km/h | 0% |
| 18 March 2026 Wed |  Light snow |
-6.4 ° C | 0.2 ° C | -3 ° C | % 67 | 24.1 km/h | 82% |
| 19 March 2026 Thu | Patchy rain nearby |
-0.2 ° C | 4.8 ° C | 1.5 ° C | % 96 | 14 km/h | 73% |
| 20 March 2026 Fri | Patchy rain nearby |
1.9 ° C | 8 ° C | 4.2 ° C | % 89 | 14.8 km/h | 0% |
| 21 March 2026 Sat | Overcast |
0.8 ° C | 5.1 ° C | 2.9 ° C | % 86 | 9.4 km/h | 0% |
| 22 March 2026 Sun | Patchy rain nearby |
1.2 ° C | 4.2 ° C | 2.6 ° C | % 80 | 22.3 km/h | 89% |
| 23 March 2026 Mon |  Moderate snow |
-1.4 ° C | 3.6 ° C | 0.4 ° C | % 75 | 25.9 km/h | 60% |
| 24 March 2026 Tue |  Light freezing rain |
-3.6 ° C | -0.9 ° C | -2.5 ° C | % 55 | 30.2 km/h | 61% |
| 25 March 2026 Wed |  Patchy light snow |
-3.4 ° C | -0.5 ° C | -2.1 ° C | % 74 | 21.6 km/h | 75% |
| 26 March 2026 Thu | Partly Cloudy |
-2.2 ° C | 3.8 ° C | 0.5 ° C | % 70 | 22 km/h | 0% |
| 27 March 2026 Fri | Partly Cloudy |
-0.2 ° C | 8.6 ° C | 3.3 ° C | % 60 | 26.3 km/h | 0% |
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