Saint Mary's Airport (KSM) 15 Day Weather Forecast, Saint Mary's United States
Current weather conditions and 15 day weather forecast for Saint Mary's Airport in Saint Mary's, 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 KSM
| 04 April 2026 Sat -10.6 ° C ( 12.9°F )  Light snow |
Feels Like : -15.5 ° C / 4.2°F Humidity : % 84 Pressure : 1016 mb Wind Speed : 8.6 kmph / 5.4 miles from NW 
Visibility : 13 km Precipitation (rainfall) : 0.07 mm Cloud (%) : 25 |
15-day weather forecast for Saint Mary's Airport, Saint Mary's, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 April 2026 Fri | Light snow |
-16.7 ° C | -5.4 ° C | -10.8 ° C | % 95 | 11.2 km/h | 61% |
| 04 April 2026 Sat |  Freezing fog |
-15.6 ° C | -5.6 ° C | -10.5 ° C | % 95 | 8.3 km/h | 76% |
| 05 April 2026 Sun | Light snow |
-14.8 ° C | -6.1 ° C | -10.8 ° C | % 92 | 8.3 km/h | 62% |
| 06 April 2026 Mon |  Blizzard |
-16.7 ° C | -2.9 ° C | -8.8 ° C | % 95 | 31.3 km/h | 84% |
| 07 April 2026 Tue |  Heavy snow |
-1.9 ° C | 0 ° C | -0.9 ° C | % 98 | 27.4 km/h | 65% |
| 08 April 2026 Wed |  Light freezing rain |
-8.5 ° C | -3.7 ° C | -4.7 ° C | % 90 | 22 km/h | 89% |
| 09 April 2026 Thu | Blizzard |
-7.8 ° C | -0.6 ° C | -3.4 ° C | % 94 | 33.8 km/h | 87% |
| 10 April 2026 Fri |  Blowing snow |
-0.9 ° C | 0.1 ° C | -0.2 ° C | % 95 | 34.2 km/h | 61% |
| 11 April 2026 Sat | Light freezing rain |
-0.8 ° C | -0.3 ° C | -0.5 ° C | % 95 | 27.4 km/h | 61% |
| 12 April 2026 Sun |  Moderate or heavy snow showers |
-1.2 ° C | -0 ° C | -0.5 ° C | % 99 | 29.9 km/h | 74% |
| 13 April 2026 Mon | Heavy snow |
-9.4 ° C | -0.1 ° C | -1.7 ° C | % 97 | 36.7 km/h | 69% |
| 14 April 2026 Tue |  Partly Cloudy |
-13.4 ° C | -7.8 ° C | -11 ° C | % 88 | 34.2 km/h | 0% |
| 15 April 2026 Wed | Partly Cloudy |
-13.3 ° C | -2.6 ° C | -7.5 ° C | % 82 | 10.4 km/h | 0% |
| 16 April 2026 Thu |  Sunny |
-8.7 ° C | -0.5 ° C | -4.3 ° C | % 83 | 22 km/h | 0% |
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