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
| 14 July 2026 Tue 21.7 ° C ( 71.1°F )  Clear |
Feels Like : 21.7 ° C / 71.1°F Humidity : % 66 Pressure : 1017 mb Wind Speed : 16.9 kmph / 10.5 miles from SW 
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 |
|---|---|---|---|---|---|---|---|
| 14 July 2026 Tue | Sunny |
20.8 ° C | 37 ° C | 29 ° C | % 51 | 22.7 km/h | 2% |
| 15 July 2026 Wed | Sunny |
23 ° C | 34.9 ° C | 29 ° C | % 50 | 18.7 km/h | 17% |
| 16 July 2026 Thu | Sunny |
18.6 ° C | 32.4 ° C | 25.4 ° C | % 44 | 20.9 km/h | 36% |
| 17 July 2026 Fri | Sunny |
15.7 ° C | 29.5 ° C | 22.3 ° C | % 51 | 16.6 km/h | 2% |
| 18 July 2026 Sat |  Partly Cloudy |
14.9 ° C | 28.2 ° C | 20.7 ° C | % 68 | 17.6 km/h | 42% |
| 19 July 2026 Sun | Partly Cloudy |
18.4 ° C | 30.5 ° C | 24.7 ° C | % 66 | 23.4 km/h | 36% |
| 20 July 2026 Mon | Sunny |
13.7 ° C | 26.9 ° C | 20.4 ° C | % 49 | 12.6 km/h | 2% |
| 21 July 2026 Tue | Sunny |
12 ° C | 27.9 ° C | 20 ° C | % 51 | 16.9 km/h | 2% |
| 22 July 2026 Wed | Sunny |
13.5 ° C | 28.6 ° C | 20.8 ° C | % 65 | 20.9 km/h | 5% |
| 23 July 2026 Thu |  Light rain shower |
16.5 ° C | 19.7 ° C | 18.6 ° C | % 92 | 13.3 km/h | 88% |
| 24 July 2026 Fri | Light rain shower |
19.9 ° C | 27.1 ° C | 23.2 ° C | % 90 | 11.2 km/h | 89% |
| 25 July 2026 Sat |  Fog |
19.8 ° C | 21.9 ° C | 21 ° C | % 99 | 5.4 km/h | 94% |
| 26 July 2026 Sun | Light rain shower |
19.7 ° C | 21.6 ° C | 20.8 ° C | % 99 | 7.9 km/h | 95% |
| 27 July 2026 Mon | Partly Cloudy |
20.5 ° C | 33.5 ° C | 25.8 ° C | % 79 | 11.9 km/h | 78% |
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