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
| 13 August 2026 Thu 18.3 ° C ( 64.9°F )  Clear |
Feels Like : 20.1 ° C / 68.2°F Humidity : % 92 Pressure : 1013 mb Wind Speed : 3.6 kmph / 2.2 miles from S 
Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 2 |
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 |
|---|---|---|---|---|---|---|---|
| 13 August 2026 Thu |  Partly Cloudy |
17.7 ° C | 33.3 ° C | 23.8 ° C | % 80 | 9 km/h | 71% |
| 14 August 2026 Fri |  Light rain shower |
20.5 ° C | 28.2 ° C | 23 ° C | % 92 | 6.8 km/h | 89% |
| 15 August 2026 Sat | Sunny |
18.5 ° C | 34.5 ° C | 26.1 ° C | % 76 | 7.6 km/h | 9% |
| 16 August 2026 Sun | Sunny |
22.9 ° C | 37 ° C | 29.3 ° C | % 64 | 16.2 km/h | 4% |
| 17 August 2026 Mon | Partly Cloudy |
19.6 ° C | 28.5 ° C | 24.1 ° C | % 83 | 11.9 km/h | 78% |
| 18 August 2026 Tue | Sunny |
17.5 ° C | 30.8 ° C | 22.9 ° C | % 75 | 7.9 km/h | 11% |
| 19 August 2026 Wed | Sunny |
18.1 ° C | 35.7 ° C | 26 ° C | % 65 | 11.9 km/h | 4% |
| 20 August 2026 Thu | Sunny |
24.6 ° C | 37.6 ° C | 29.9 ° C | % 61 | 18 km/h | 4% |
| 21 August 2026 Fri | Sunny |
20.1 ° C | 34.7 ° C | 27.7 ° C | % 69 | 16.2 km/h | 57% |
| 22 August 2026 Sat | Sunny |
17.1 ° C | 29.8 ° C | 22.4 ° C | % 73 | 10.1 km/h | 8% |
| 23 August 2026 Sun | Sunny |
15.7 ° C | 30.8 ° C | 22.4 ° C | % 62 | 10.1 km/h | 3% |
| 24 August 2026 Mon | Sunny |
17.8 ° C | 34.9 ° C | 25.4 ° C | % 59 | 11.5 km/h | 3% |
| 25 August 2026 Tue | Sunny |
20.5 ° C | 34.8 ° C | 26.6 ° C | % 67 | 20.9 km/h | 5% |
| 26 August 2026 Wed | Sunny |
18.4 ° C | 30.3 ° C | 23.3 ° C | % 63 | 7.2 km/h | 4% |
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