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
| 18 December 2025 Thu 8.9 ° C ( 48°F )  Clear |
Feels Like : 8.4 ° C / 47.1°F Humidity : % 47 Pressure : 1020 mb Wind Speed : 5.4 kmph / 3.4 miles from S 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 17 December 2025 Wed | Sunny |
1.5 ° C | 14.8 ° C | 7.3 ° C | % 54 | 18.4 km/h | 0% |
| 18 December 2025 Thu |  Moderate rain |
3.5 ° C | 11.7 ° C | 7.8 ° C | % 71 | 24.1 km/h | 87% |
| 19 December 2025 Fri | Moderate rain |
-3.4 ° C | 4.3 ° C | 1.5 ° C | % 78 | 29.2 km/h | 89% |
| 20 December 2025 Sat | Sunny |
-4.4 ° C | 8 ° C | 1.6 ° C | % 68 | 19.1 km/h | 0% |
| 21 December 2025 Sun | Sunny |
-2.1 ° C | 5.5 ° C | 1.7 ° C | % 66 | 18.7 km/h | 0% |
| 22 December 2025 Mon |  Patchy moderate snow |
-2.5 ° C | -0.9 ° C | -1.5 ° C | % 70 | 13.3 km/h | 74% |
| 23 December 2025 Tue |  Patchy rain nearby |
-1.3 ° C | 6.5 ° C | 2.6 ° C | % 95 | 6.1 km/h | 80% |
| 24 December 2025 Wed | Patchy rain nearby |
4.1 ° C | 7 ° C | 5.4 ° C | % 98 | 6.5 km/h | 88% |
| 25 December 2025 Thu | Moderate rain |
7.3 ° C | 8.9 ° C | 7.9 ° C | % 98 | 16.9 km/h | 89% |
| 26 December 2025 Fri |  Fog |
7 ° C | 17.6 ° C | 12.5 ° C | % 91 | 22.7 km/h | 0% |
| 27 December 2025 Sat | Patchy rain nearby |
8.5 ° C | 18 ° C | 14.6 ° C | % 82 | 23.4 km/h | 81% |
| 28 December 2025 Sun |  Partly Cloudy |
-0.7 ° C | 5.9 ° C | 3.4 ° C | % 66 | 11.9 km/h | 0% |
| 29 December 2025 Mon | Partly Cloudy |
-2.4 ° C | 1.4 ° C | -0 ° C | % 56 | 16.6 km/h | 0% |
| 30 December 2025 Tue | Patchy rain nearby |
2.8 ° C | 12.3 ° C | 8.4 ° C | % 82 | 21.2 km/h | 87% |
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