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
| 06 December 2025 Sat -5.6 ° C ( 21.9°F )  Overcast |
Feels Like : -9 ° C / 15.8°F Humidity : % 52 Pressure : 1019 mb Wind Speed : 7.2 kmph / 4.5 miles from SSW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Waltham Airport, Waltham, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri |  Sunny |
-11.3 ° C | -1.1 ° C | -7.1 ° C | % 38 | 19.4 km/h | 0% |
| 06 December 2025 Sat |  Mist |
-5.1 ° C | 1 ° C | -2 ° C | % 89 | 9.4 km/h | 84% |
| 07 December 2025 Sun | Mist |
-4.7 ° C | 0.8 ° C | -1.3 ° C | % 97 | 10.4 km/h | 0% |
| 08 December 2025 Mon |  Partly Cloudy |
-8.6 ° C | 0.3 ° C | -2.1 ° C | % 73 | 24.5 km/h | 0% |
| 09 December 2025 Tue |  Cloudy |
-7.7 ° C | -0 ° C | -3.4 ° C | % 49 | 18.7 km/h | 0% |
| 10 December 2025 Wed |  Patchy rain nearby |
0.1 ° C | 8 ° C | 2.6 ° C | % 74 | 24.1 km/h | 86% |
| 11 December 2025 Thu | Sunny |
-4.4 ° C | 2.2 ° C | 0.5 ° C | % 67 | 22.7 km/h | 0% |
| 12 December 2025 Fri |  Heavy snow |
-5.1 ° C | 3 ° C | -1.2 ° C | % 72 | 25.2 km/h | 75% |
| 13 December 2025 Sat | Sunny |
-7.5 ° C | -0.6 ° C | -4.2 ° C | % 71 | 18 km/h | 0% |
| 14 December 2025 Sun | Overcast |
-5.4 ° C | -1 ° C | -3.1 ° C | % 66 | 19.8 km/h | 0% |
| 15 December 2025 Mon | Partly Cloudy |
-7.3 ° C | -3.1 ° C | -5.6 ° C | % 66 | 11.9 km/h | 0% |
| 16 December 2025 Tue | Sunny |
-8.2 ° C | -2.2 ° C | -5.9 ° C | % 66 | 13.3 km/h | 0% |
| 17 December 2025 Wed | Sunny |
-9.1 ° C | -5.7 ° C | -7.6 ° C | % 63 | 16.2 km/h | 0% |
| 18 December 2025 Thu | Sunny |
-9.5 ° C | -0.2 ° C | -5.5 ° C | % 67 | 11.5 km/h | 0% |
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