Weather information for the Portsmouth area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for Portsmouth are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 34° | 36° | 44° | 55° | 66° | 76° | 81° | 78° | 71° | 61° | 48° | 37° |
| Avg. Low | 14° | 15° | 24° | 34° | 42° | 51° | 57° | 55° | 47° | 37° | 30° | 18° |
| Daily Avg | 24° | 26° | 35° | 44° | 55° | 64° | 68° | 68° | 60° | 50° | 40° | 28° |
| Avg. Precip. | 3.8 in | 3.7 in | 3.8 in | 4.3 in | 3.5 in | 3.4 in | 3.3 in | 3.1 in | 3.4 in | 4.0 in | 5.1 in | 4.6 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
This Afternoon
Scattered Rain Showers
Tonight
Scattered Rain Showers
Friday
Partly Sunny
Friday Night
Scattered Rain Showers then Light Rain Likely
Saturday
Scattered Rain Showers
Saturday Night
Partly Cloudy
Detailed Forecast |
|
|---|---|
| This Afternoon | Scattered rain showers. Cloudy, with a high near 52. East wind 5 to 10 mph. Chance of precipitation is 30%. |
| Tonight | Scattered rain showers before 2am. Cloudy, with a low around 40. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. |
| Friday | Partly sunny, with a high near 52. East wind 0 to 10 mph. |
| Friday Night | Scattered rain showers between 10pm and 5am, then rain likely. Mostly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. |
| Saturday | Scattered rain showers before 2pm. Mostly cloudy, with a high near 60. Southwest wind around 10 mph. Chance of precipitation is 50%. |
| Saturday Night | Partly cloudy, with a low around 38. |
| Sunday | Sunny, with a high near 57. |
| Sunday Night | Mostly clear, with a low around 38. |
| Monday | Sunny, with a high near 58. |
| Monday Night | Mostly clear, with a low around 38. |
| Tuesday | Mostly sunny, with a high near 58. |
| Tuesday Night | Scattered rain showers after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 50%. |
| Wednesday | Scattered rain showers before 8am, then rain likely between 8am and 2pm, then scattered rain showers. Mostly cloudy, with a high near 56. Chance of precipitation is 60%. |
| Wednesday Night | Scattered rain showers. Partly cloudy, with a low around 34. Chance of precipitation is 50%. |
