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
| 27 April 2026 Mon 12.2 ° C ( 54°F )  Clear |
Feels Like : 11.7 ° C / 53.1°F Humidity : % 38 Pressure : 1021 mb Wind Speed : 7.2 kmph / 4.5 miles from ESE 
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 |
|---|---|---|---|---|---|---|---|
| 26 April 2026 Sun | Sunny |
4.3 ° C | 17.5 ° C | 10.5 ° C | % 48 | 13.7 km/h | 0% |
| 27 April 2026 Mon | Sunny |
3.3 ° C | 17.5 ° C | 10.4 ° C | % 54 | 16.9 km/h | 0% |
| 28 April 2026 Tue | Sunny |
4.2 ° C | 14.3 ° C | 8.7 ° C | % 59 | 17.3 km/h | 0% |
| 29 April 2026 Wed |  Patchy rain nearby |
5.6 ° C | 16.6 ° C | 10.4 ° C | % 76 | 14 km/h | 67% |
| 30 April 2026 Thu |  Moderate rain |
9.9 ° C | 12 ° C | 11.2 ° C | % 97 | 9 km/h | 88% |
| 01 May 2026 Fri | Moderate rain |
6 ° C | 12.6 ° C | 9.4 ° C | % 85 | 18 km/h | 79% |
| 02 May 2026 Sat | Patchy rain nearby |
3.1 ° C | 13.5 ° C | 8.2 ° C | % 66 | 18.7 km/h | 86% |
| 03 May 2026 Sun |  Partly Cloudy |
2.8 ° C | 15 ° C | 8.9 ° C | % 49 | 22.3 km/h | 0% |
| 04 May 2026 Mon | Patchy rain nearby |
5.3 ° C | 15.2 ° C | 8.7 ° C | % 78 | 27 km/h | 89% |
| 05 May 2026 Tue | Sunny |
3.6 ° C | 19.7 ° C | 11.8 ° C | % 59 | 14 km/h | 0% |
| 06 May 2026 Wed | Moderate rain |
9.9 ° C | 22.8 ° C | 15.5 ° C | % 74 | 27.4 km/h | 76% |
| 07 May 2026 Thu | Sunny |
7.4 ° C | 19.3 ° C | 13.1 ° C | % 51 | 19.4 km/h | 0% |
| 08 May 2026 Fri | Partly Cloudy |
7.4 ° C | 16.7 ° C | 11.9 ° C | % 56 | 20.9 km/h | 0% |
| 09 May 2026 Sat |  Overcast |
5.2 ° C | 13.4 ° C | 9.1 ° C | % 58 | 18 km/h | 0% |
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