Waltham Airport (WLM) 15 Day Weather Forecast, Waltham United States
Current weather conditions and 15 day weather forecast for Waltham Airport in Waltham, 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 WLM
| 15 March 2026 Sun -0.6 ° C ( 30.9°F )  Clear |
Feels Like : -5.1 ° C / 22.8°F Humidity : % 61 Pressure : 1026 mb Wind Speed : 14.8 kmph / 9.2 miles from WNW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Waltham Airport, Waltham, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 15 March 2026 Sun | Sunny |
-4 ° C | 7.2 ° C | 0.8 ° C | % 65 | 18.7 km/h | 0% |
| 16 March 2026 Mon |  Heavy rain |
1.1 ° C | 13.6 ° C | 9.2 ° C | % 95 | 34.2 km/h | 87% |
| 17 March 2026 Tue |  Moderate rain |
-3.9 ° C | 6 ° C | 4.9 ° C | % 71 | 36.7 km/h | 87% |
| 18 March 2026 Wed |  Partly Cloudy |
-5.3 ° C | 2.9 ° C | -1.2 ° C | % 40 | 16.9 km/h | 0% |
| 19 March 2026 Thu | Partly Cloudy |
-1.6 ° C | 7.1 ° C | 1.3 ° C | % 50 | 11.5 km/h | 0% |
| 20 March 2026 Fri | Partly Cloudy |
-1.7 ° C | 9.5 ° C | 3.4 ° C | % 63 | 11.5 km/h | 0% |
| 21 March 2026 Sat |  Patchy rain nearby |
1.8 ° C | 7.7 ° C | 4 ° C | % 83 | 16.2 km/h | 65% |
| 22 March 2026 Sun | Moderate rain |
0.7 ° C | 2.5 ° C | 1.5 ° C | % 95 | 10.1 km/h | 85% |
| 23 March 2026 Mon |  Heavy snow |
-0.5 ° C | 1 ° C | 0.4 ° C | % 99 | 16.6 km/h | 81% |
| 24 March 2026 Tue | Heavy snow |
-2.4 ° C | 1.5 ° C | -0.1 ° C | % 94 | 24.8 km/h | 84% |
| 25 March 2026 Wed | Partly Cloudy |
-6 ° C | 1 ° C | -2.7 ° C | % 84 | 27.4 km/h | 0% |
| 26 March 2026 Thu |  Overcast |
-0.2 ° C | 6.9 ° C | 3.4 ° C | % 79 | 22.7 km/h | 0% |
| 27 March 2026 Fri | Partly Cloudy |
3.6 ° C | 11.7 ° C | 6.6 ° C | % 79 | 19.1 km/h | 0% |
| 28 March 2026 Sat | Patchy rain nearby |
0.9 ° C | 6.3 ° C | 4.1 ° C | % 81 | 13.3 km/h | 0% |
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