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 September 2026 Fri
19.5 ° C
( 67.1°F )

Light rain shower
Light rain shower
Feels Like : 21.5 ° C / 70.7°F
Humidity : % 96
Pressure : 1022 mb
Wind Speed : 6.5 kmph / 4 miles from NNENNE
Visibility : 10 km
Precipitation (rainfall) : 0.58 mm
Cloud (%) : 57

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
18 September 2026 Fri Fog Fog 19.5 ° C 26.5 ° C 22.3 ° C % 85 15.8 km/h 68%
19 September 2026 Sat Sunny Sunny 17.7 ° C 27.3 ° C 21.4 ° C % 79 9 km/h 27%
20 September 2026 Sun Patchy rain nearby Patchy rain nearby 19.7 ° C 26.7 ° C 22.2 ° C % 87 11.2 km/h 81%
21 September 2026 Mon Patchy rain nearby Patchy rain nearby 17.7 ° C 26 ° C 21.6 ° C % 90 11.9 km/h 89%
22 September 2026 Tue Fog Fog 16 ° C 24.1 ° C 19.4 ° C % 91 8.6 km/h 93%
23 September 2026 Wed Light rain shower Light rain shower 17.5 ° C 21 ° C 19.3 ° C % 95 7.9 km/h 91%
24 September 2026 Thu Patchy rain nearby Patchy rain nearby 15.6 ° C 19.8 ° C 18.5 ° C % 90 12.6 km/h 80%
25 September 2026 Fri Sunny Sunny 11.7 ° C 21.5 ° C 16.2 ° C % 79 15.5 km/h 14%
26 September 2026 Sat Sunny Sunny 9.1 ° C 20.2 ° C 13.8 ° C % 68 9 km/h 7%
27 September 2026 Sun Sunny Sunny 8.7 ° C 21.1 ° C 14.2 ° C % 63 10.8 km/h 4%
28 September 2026 Mon Sunny Sunny 12.4 ° C 25.4 ° C 18 ° C % 59 7.9 km/h 5%
29 September 2026 Tue Overcast Overcast 15.1 ° C 24.4 ° C 19.1 ° C % 60 12.2 km/h 14%
30 September 2026 Wed Sunny Sunny 16.6 ° C 28.3 ° C 21.4 ° C % 77 16.9 km/h 12%
01 October 2026 Thu Mist Mist 16.7 ° C 26.3 ° C 21.1 ° C % 81 18.4 km/h 71%
Weather forecasts are usually fully updated every 3 hours.

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