Portsmouth Regional Airport (PMH) 15 Day Weather Forecast, Portsmouth United States
Current weather conditions and 15 day weather forecast for Portsmouth Regional Airport in Portsmouth, 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 PMH
| 21 December 2025 Sun 12.8 ° C ( 55°F )  Overcast |
Feels Like : 12.4 ° C / 54.3°F Humidity : % 24 Pressure : 1015 mb Wind Speed : 7.6 kmph / 4.7 miles from SW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Portsmouth Regional Airport, Portsmouth, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat |  Sunny |
-3.4 ° C | 13.5 ° C | 3.6 ° C | % 64 | 13.7 km/h | 0% |
| 21 December 2025 Sun | Sunny |
-2.9 ° C | 4.7 ° C | 1.9 ° C | % 62 | 11.2 km/h | 0% |
| 22 December 2025 Mon |  Partly Cloudy |
-3.4 ° C | 7.3 ° C | 1.4 ° C | % 53 | 11.9 km/h | 0% |
| 23 December 2025 Tue | Overcast |
5 ° C | 8.3 ° C | 6.8 ° C | % 82 | 20.5 km/h | 0% |
| 24 December 2025 Wed | Sunny |
0.8 ° C | 9.3 ° C | 4.8 ° C | % 76 | 8.3 km/h | 0% |
| 25 December 2025 Thu |  Patchy rain nearby |
6.8 ° C | 17.6 ° C | 13.4 ° C | % 85 | 22.3 km/h | 81% |
| 26 December 2025 Fri | Patchy rain nearby |
5 ° C | 16.7 ° C | 13 ° C | % 81 | 21.6 km/h | 88% |
| 27 December 2025 Sat | Sunny |
-0.8 ° C | 4.7 ° C | 1.6 ° C | % 73 | 11.5 km/h | 0% |
| 28 December 2025 Sun | Sunny |
-2.8 ° C | 6.7 ° C | 1.2 ° C | % 64 | 6.1 km/h | 0% |
| 29 December 2025 Mon | Patchy rain nearby |
-0.1 ° C | 12.9 ° C | 7.2 ° C | % 75 | 20.9 km/h | 72% |
| 30 December 2025 Tue |  Moderate rain |
13 ° C | 13.8 ° C | 13.4 ° C | % 90 | 22.3 km/h | 87% |
| 31 December 2025 Wed | Moderate rain |
13.2 ° C | 14.3 ° C | 13.7 ° C | % 98 | 5.8 km/h | 86% |
| 01 January 2026 Thu | Patchy rain nearby |
12.4 ° C | 13.8 ° C | 13 ° C | % 97 | 5.8 km/h | 78% |
| 02 January 2026 Fri | Patchy rain nearby |
8.5 ° C | 11.4 ° C | 10.8 ° C | % 95 | 11.2 km/h | 89% |
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