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
| 24 August 2026 Mon 13.3 ° C ( 55.9°F )  Moderate rain at times |
Feels Like : 9.8 ° C / 49.6°F Humidity : % 78 Pressure : 1012 mb Wind Speed : 19.1 kmph / 11.9 miles from WNW 
Visibility : 10 km Precipitation (rainfall) : 7.37 mm Cloud (%) : 76 |
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 |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon |  Patchy rain nearby |
12.2 ° C | 21.2 ° C | 15.9 ° C | % 71 | 27.7 km/h | 79% |
| 25 August 2026 Tue |  Overcast |
14.4 ° C | 23.5 ° C | 18.6 ° C | % 75 | 14.8 km/h | 12% |
| 26 August 2026 Wed | Overcast |
16.5 ° C | 26.5 ° C | 20.6 ° C | % 71 | 28.1 km/h | 73% |
| 27 August 2026 Thu |  Sunny |
18.1 ° C | 25.2 ° C | 20.9 ° C | % 79 | 22.3 km/h | 49% |
| 28 August 2026 Fri | Sunny |
15.9 ° C | 21.4 ° C | 18.5 ° C | % 75 | 23.8 km/h | 17% |
| 29 August 2026 Sat | Overcast |
13.6 ° C | 23.8 ° C | 18.2 ° C | % 62 | 12.2 km/h | 12% |
| 30 August 2026 Sun |  Light rain shower |
17 ° C | 20.4 ° C | 18.6 ° C | % 94 | 21.2 km/h | 93% |
| 31 August 2026 Mon | Sunny |
16.4 ° C | 20.6 ° C | 18.5 ° C | % 78 | 22 km/h | 36% |
| 01 September 2026 Tue | Overcast |
13.8 ° C | 16.9 ° C | 15.4 ° C | % 73 | 16.9 km/h | 15% |
| 02 September 2026 Wed | Overcast |
12.7 ° C | 18.9 ° C | 16 ° C | % 63 | 20.9 km/h | 15% |
| 03 September 2026 Thu | Sunny |
12.6 ° C | 20.3 ° C | 15.9 ° C | % 73 | 13 km/h | 57% |
| 04 September 2026 Fri | Sunny |
13.8 ° C | 21.8 ° C | 17.1 ° C | % 86 | 14 km/h | 78% |
| 05 September 2026 Sat | Overcast |
15.1 ° C | 21.2 ° C | 18 ° C | % 76 | 13 km/h | 16% |
| 06 September 2026 Sun | Overcast |
12.6 ° C | 24.9 ° C | 18.3 ° C | % 64 | 25.9 km/h | 8% |
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