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
| 17 June 2026 Wed 13.1 ° C ( 55.6°F )  Fog |
Feels Like : 12 ° C / 53.7°F Humidity : % 94 Pressure : 1003 mb Wind Speed : 12.2 kmph / 7.6 miles from S 
Visibility : 0.4 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 |
|---|---|---|---|---|---|---|---|
| 16 June 2026 Tue |  Patchy rain nearby |
12.5 ° C | 25.6 ° C | 18.3 ° C | % 64 | 29.9 km/h | 57% |
| 17 June 2026 Wed |  Heavy rain |
12.1 ° C | 21.4 ° C | 15.6 ° C | % 84 | 29.9 km/h | 81% |
| 18 June 2026 Thu | Patchy rain nearby |
13.9 ° C | 18.4 ° C | 16.1 ° C | % 89 | 27.4 km/h | 77% |
| 19 June 2026 Fri | Patchy rain nearby |
11.9 ° C | 19.9 ° C | 15.9 ° C | % 75 | 27.7 km/h | 23% |
| 20 June 2026 Sat | Patchy rain nearby |
9 ° C | 20.6 ° C | 15.2 ° C | % 76 | 19.8 km/h | 61% |
| 21 June 2026 Sun | Patchy rain nearby |
10.6 ° C | 15.7 ° C | 13.5 ° C | % 90 | 19.4 km/h | 67% |
| 22 June 2026 Mon |  Partly Cloudy |
8.9 ° C | 19.4 ° C | 14.1 ° C | % 80 | 23.8 km/h | 10% |
| 23 June 2026 Tue |  Sunny |
11.1 ° C | 22.3 ° C | 17.2 ° C | % 71 | 13.7 km/h | 7% |
| 24 June 2026 Wed | Patchy rain nearby |
14.5 ° C | 24.3 ° C | 19.2 ° C | % 77 | 9.7 km/h | 38% |
| 25 June 2026 Thu | Sunny |
13.8 ° C | 23.3 ° C | 18.7 ° C | % 78 | 10.8 km/h | 11% |
| 26 June 2026 Fri | Sunny |
16.1 ° C | 26.6 ° C | 21.4 ° C | % 74 | 15.5 km/h | 7% |
| 27 June 2026 Sat | Partly Cloudy |
18.2 ° C | 28.1 ° C | 22.7 ° C | % 71 | 16.9 km/h | 7% |
| 28 June 2026 Sun | Patchy rain nearby |
19 ° C | 31 ° C | 25.2 ° C | % 74 | 20.5 km/h | 57% |
| 29 June 2026 Mon | Patchy rain nearby |
22.7 ° C | 31.5 ° C | 26.4 ° C | % 79 | 15.5 km/h | 62% |
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