Chatham Seaplane Base (CYM) 15 Day Weather Forecast, Chatham United States
Current weather conditions and 15 day weather forecast for Chatham Seaplane Base in Chatham, 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 CYM
| 03 August 2026 Mon 15.1 ° C ( 59.2°F )  Patchy rain nearby |
Feels Like : 14.3 ° C / 57.7°F Humidity : % 73 Pressure : 1027 mb Wind Speed : 5 kmph / 3.1 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 58 |
15-day weather forecast for Chatham Seaplane Base, Chatham, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 August 2026 Mon | Patchy rain nearby |
10.4 ° C | 17.1 ° C | 13.6 ° C | % 80 | 6.1 km/h | 35% |
| 04 August 2026 Tue |  Mist |
11.1 ° C | 13.4 ° C | 12.1 ° C | % 92 | 4.7 km/h | 83% |
| 05 August 2026 Wed |  Light rain shower |
11.1 ° C | 15.1 ° C | 12.9 ° C | % 91 | 4.7 km/h | 85% |
| 06 August 2026 Thu | Patchy rain nearby |
8.9 ° C | 17.2 ° C | 13.5 ° C | % 82 | 4.3 km/h | 41% |
| 07 August 2026 Fri | Patchy rain nearby |
7.5 ° C | 17 ° C | 12.8 ° C | % 84 | 4.3 km/h | 49% |
| 08 August 2026 Sat | Patchy rain nearby |
11.4 ° C | 15.7 ° C | 13.4 ° C | % 86 | 3.6 km/h | 43% |
| 09 August 2026 Sun | Patchy rain nearby |
11.2 ° C | 19.4 ° C | 15 ° C | % 78 | 5 km/h | 21% |
| 10 August 2026 Mon |  Partly Cloudy |
9.3 ° C | 22 ° C | 16 ° C | % 71 | 4.7 km/h | 36% |
| 11 August 2026 Tue | Patchy rain nearby |
12.6 ° C | 18.5 ° C | 15 ° C | % 84 | 3.2 km/h | 38% |
| 12 August 2026 Wed | Mist |
12.6 ° C | 14.1 ° C | 13.2 ° C | % 94 | 3.6 km/h | 84% |
| 13 August 2026 Thu |  Fog |
12.4 ° C | 17.3 ° C | 14.5 ° C | % 88 | 5 km/h | 32% |
| 14 August 2026 Fri |  Overcast |
12.5 ° C | 17.2 ° C | 14.6 ° C | % 84 | 4 km/h | 25% |
| 15 August 2026 Sat |  Sunny |
9.4 ° C | 20.5 ° C | 15.2 ° C | % 79 | 4 km/h | 16% |
| 16 August 2026 Sun | Sunny |
7.8 ° C | 20.5 ° C | 13.9 ° C | % 78 | 4.3 km/h | 11% |
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