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
| 03 August 2026 Mon 25.7 ° C ( 78.3°F )  Patchy rain nearby |
Feels Like : 27.2 ° C / 81°F Humidity : % 87 Pressure : 1007 mb Wind Speed : 20.9 kmph / 13 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0.03 mm Cloud (%) : 88 |
15-day weather forecast for Waltham Airport, Waltham, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 August 2026 Mon |  Sunny |
19.6 ° C | 27 ° C | 23.7 ° C | % 89 | 24.8 km/h | 86% |
| 04 August 2026 Tue | Sunny |
16.2 ° C | 31.3 ° C | 23.4 ° C | % 58 | 11.2 km/h | 3% |
| 05 August 2026 Wed | Patchy rain nearby |
17.8 ° C | 27.5 ° C | 21.6 ° C | % 81 | 7.9 km/h | 73% |
| 06 August 2026 Thu | Sunny |
18.7 ° C | 35 ° C | 26.4 ° C | % 65 | 10.8 km/h | 5% |
| 07 August 2026 Fri | Patchy rain nearby |
22.1 ° C | 35.7 ° C | 26.9 ° C | % 75 | 12.2 km/h | 68% |
| 08 August 2026 Sat | Sunny |
21.2 ° C | 34.6 ° C | 27 ° C | % 69 | 14.8 km/h | 6% |
| 09 August 2026 Sun | Sunny |
21.2 ° C | 35.7 ° C | 28.1 ° C | % 58 | 17.6 km/h | 3% |
| 10 August 2026 Mon | Sunny |
21.6 ° C | 33.4 ° C | 27.6 ° C | % 55 | 20.9 km/h | 3% |
| 11 August 2026 Tue |  Partly Cloudy |
16.7 ° C | 26 ° C | 20.2 ° C | % 65 | 11.5 km/h | 36% |
| 12 August 2026 Wed | Sunny |
15.5 ° C | 26.9 ° C | 20.4 ° C | % 66 | 14.8 km/h | 5% |
| 13 August 2026 Thu | Sunny |
12.7 ° C | 25.5 ° C | 18.9 ° C | % 53 | 15.5 km/h | 3% |
| 14 August 2026 Fri | Sunny |
14.3 ° C | 24.6 ° C | 19.2 ° C | % 55 | 15.8 km/h | 4% |
| 15 August 2026 Sat | Sunny |
12.5 ° C | 25.2 ° C | 18.3 ° C | % 62 | 17.3 km/h | 4% |
| 16 August 2026 Sun | Sunny |
13.7 ° C | 25.9 ° C | 19.2 ° C | % 72 | 11.9 km/h | 6% |
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