Summit Airport (UMM) 15 Day Weather Forecast, Summit United States
Current weather conditions and 15 day weather forecast for Summit Airport in Summit, 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 UMM
| 18 September 2026 Fri -1 ° C ( 30.3°F )  Freezing fog |
Feels Like : -4.4 ° C / 24.1°F Humidity : % 99 Pressure : 1013 mb Wind Speed : 9.7 kmph / 6 miles from S 
Visibility : 0 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Summit Airport, Summit, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 September 2026 Fri | Freezing fog |
-1.8 ° C | 2.2 ° C | -0.1 ° C | % 93 | 11.5 km/h | 55% |
| 19 September 2026 Sat | Freezing fog |
-2.1 ° C | 0.9 ° C | -1.1 ° C | % 97 | 10.1 km/h | 77% |
| 20 September 2026 Sun |  Light sleet showers |
-2.8 ° C | 1.7 ° C | -1.7 ° C | % 98 | 10.1 km/h | 90% |
| 21 September 2026 Mon |  Moderate or heavy snow showers |
-3.8 ° C | -1.6 ° C | -2.8 ° C | % 98 | 10.1 km/h | 87% |
| 22 September 2026 Tue | Moderate or heavy snow showers |
-5.9 ° C | -1.3 ° C | -4 ° C | % 94 | 10.8 km/h | 84% |
| 23 September 2026 Wed |  Light snow showers |
-5 ° C | 0.6 ° C | -1.7 ° C | % 93 | 19.1 km/h | 52% |
| 24 September 2026 Thu | Moderate or heavy snow showers |
-4.9 ° C | 0 ° C | -2.8 ° C | % 94 | 20.2 km/h | 77% |
| 25 September 2026 Fri | Light snow showers |
-4.6 ° C | -0.1 ° C | -2.5 ° C | % 95 | 13.3 km/h | 72% |
| 26 September 2026 Sat | Light snow showers |
-4.2 ° C | -3.1 ° C | -3.7 ° C | % 96 | 5.8 km/h | 84% |
| 27 September 2026 Sun | Light snow showers |
-5.4 ° C | -1 ° C | -3.8 ° C | % 92 | 5 km/h | 40% |
| 28 September 2026 Mon |  Sunny |
-5.3 ° C | -0.4 ° C | -3.1 ° C | % 90 | 6.1 km/h | 18% |
| 29 September 2026 Tue |  Partly Cloudy |
-4.7 ° C | -0.8 ° C | -2.9 ° C | % 90 | 9 km/h | 23% |
| 30 September 2026 Wed | Sunny |
-3.9 ° C | 0.4 ° C | -1.9 ° C | % 89 | 8.3 km/h | 14% |
| 01 October 2026 Thu |  Mist |
-2.1 ° C | 1.5 ° C | -0.3 ° C | % 92 | 7.9 km/h | 18% |
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