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
| 24 April 2026 Fri -1.8 ° C ( 28.8°F )  Freezing fog |
Feels Like : -3.5 ° C / 25.8°F Humidity : % 97 Pressure : 1030 mb Wind Speed : 4.7 kmph / 2.9 miles from WNW 
Visibility : 0 km Precipitation (rainfall) : 0 mm Cloud (%) : 27 |
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 |
|---|---|---|---|---|---|---|---|
| 24 April 2026 Fri |  Partly Cloudy |
-2 ° C | 10.5 ° C | 4.5 ° C | % 85 | 5 km/h | 0% |
| 25 April 2026 Sat | Partly Cloudy |
1.4 ° C | 11.5 ° C | 5.9 ° C | % 79 | 5 km/h | 0% |
| 26 April 2026 Sun |  Patchy rain nearby |
0.8 ° C | 9.3 ° C | 5.3 ° C | % 82 | 5.4 km/h | 89% |
| 27 April 2026 Mon | Patchy rain nearby |
3.2 ° C | 8.3 ° C | 5.7 ° C | % 77 | 5.8 km/h | 88% |
| 28 April 2026 Tue |  Overcast |
4.3 ° C | 9.8 ° C | 5.8 ° C | % 84 | 4 km/h | 0% |
| 29 April 2026 Wed | Patchy rain nearby |
3.5 ° C | 10 ° C | 6.9 ° C | % 83 | 4.7 km/h | 81% |
| 30 April 2026 Thu | Patchy rain nearby |
5 ° C | 6.1 ° C | 5.7 ° C | % 94 | 7.6 km/h | 87% |
| 01 May 2026 Fri | Partly Cloudy |
2.9 ° C | 10.8 ° C | 6.8 ° C | % 79 | 5 km/h | 0% |
| 02 May 2026 Sat |  Moderate rain |
0.8 ° C | 9.5 ° C | 4.8 ° C | % 79 | 9.7 km/h | 87% |
| 03 May 2026 Sun | Moderate rain |
4 ° C | 6.3 ° C | 5.4 ° C | % 99 | 7.9 km/h | 89% |
| 04 May 2026 Mon | Patchy rain nearby |
3.5 ° C | 10.5 ° C | 6.9 ° C | % 74 | 7.2 km/h | 83% |
| 05 May 2026 Tue | Partly Cloudy |
0.8 ° C | 10.4 ° C | 5.5 ° C | % 71 | 10.8 km/h | 0% |
| 06 May 2026 Wed | Partly Cloudy |
2 ° C | 8.8 ° C | 5.4 ° C | % 60 | 12.2 km/h | 0% |
| 07 May 2026 Thu |  Sunny |
1.1 ° C | 11.7 ° C | 6.5 ° C | % 60 | 7.2 km/h | 0% |
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