Portsmouth Weather Forecast 15 Days, Weather in Portsmouth Today
Current weather conditions and 15 day weather forecast for Portsmouth, New Hampshire, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Portsmouth
| 17 June 2026 Wednesday 13.1 ° C / 55.6°F  Partly cloudy |
Feels Like : 12.6 ° C / 54.7°F Humidity : % 93 Pressure : 1009 mb Wind Speed : 8.3 kmph / 5.1 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Portsmouth, NH, USA
Weather Forecast for next 15 Days for Portsmouth including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Portsmouth, New Hampshire state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 June 2026 Wednesday |  Patchy rain nearby |
12.3 ° C (54.1°F) |
27.6 ° C (81.7°F) |
18.9 ° C (66°F) |
% 66 | 57% | 8 | Sunrise:05:03 AM Sunset: 08:24 PM |
Moonrise:07:15 AM Moonset: 10:54 PM Moon Phase ( Waxing Crescent ) |
|
| 18 June 2026 Thursday |  Moderate rain |
14.4 ° C (57.9°F) |
22.6 ° C (72.7°F) |
18.9 ° C (66.1°F) |
% 89 | 86% | 6.1 | Sunrise:05:03 AM Sunset: 08:25 PM |
Moonrise:08:38 AM Moonset: 11:25 PM Moon Phase ( Waxing Crescent ) |
|
| 19 June 2026 Friday |  Sunny |
17 ° C (62.7°F) |
26.5 ° C (79.7°F) |
21.4 ° C (70.6°F) |
% 53 | 3% | 8.9 | Sunrise:05:03 AM Sunset: 08:25 PM |
Moonrise:09:58 AM Moonset: 11:51 PM Moon Phase ( Waxing Crescent ) |
|
| 20 June 2026 Saturday | Partly Cloudy |
15 ° C (58.9°F) |
21.9 ° C (71.4°F) |
18.2 ° C (64.7°F) |
% 60 | 8% | 7.4 | Sunrise:05:03 AM Sunset: 08:25 PM |
Moonrise:11:15 AM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 June 2026 Sunday | Partly Cloudy |
13.3 ° C (56°F) |
22.5 ° C (72.5°F) |
17.1 ° C (62.7°F) |
% 63 | 11% | 1.6 | Sunrise:05:03 AM Sunset: 08:25 PM |
Moonrise:12:28 PM Moonset: 12:13 AM Moon Phase ( First Quarter ) |
|
| 22 June 2026 Monday | Moderate rain |
12.5 ° C (54.5°F) |
15.1 ° C (59.2°F) |
13.8 ° C (56.9°F) |
% 93 | 88% | 3 | Sunrise:05:04 AM Sunset: 08:26 PM |
Moonrise:01:40 PM Moonset: 12:34 AM Moon Phase ( First Quarter ) |
|
| 23 June 2026 Tuesday | Partly Cloudy |
12.1 ° C (53.8°F) |
20.8 ° C (69.4°F) |
15.8 ° C (60.4°F) |
% 75 | 17% | 5 | Sunrise:05:04 AM Sunset: 08:26 PM |
Moonrise:02:50 PM Moonset: 12:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 June 2026 Wednesday | Sunny |
13 ° C (55.4°F) |
22.2 ° C (72°F) |
18.3 ° C (64.9°F) |
% 71 | 8% | 5 | Sunrise:05:04 AM Sunset: 08:26 PM |
Moonrise:04:00 PM Moonset: 01:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 June 2026 Thursday | Patchy rain nearby |
15.6 ° C (60°F) |
21.1 ° C (70°F) |
17.9 ° C (64.2°F) |
% 84 | 70% | 4 | Sunrise:05:04 AM Sunset: 08:26 PM |
Moonrise:05:10 PM Moonset: 01:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 June 2026 Friday | Sunny |
14.3 ° C (57.7°F) |
26.7 ° C (80.1°F) |
21.3 ° C (70.3°F) |
% 69 | 6% | 6 | Sunrise:05:05 AM Sunset: 08:26 PM |
Moonrise:06:17 PM Moonset: 02:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 June 2026 Saturday | Patchy rain nearby |
17.7 ° C (63.8°F) |
25.7 ° C (78.3°F) |
20.9 ° C (69.7°F) |
% 86 | 63% | 5 | Sunrise:05:05 AM Sunset: 08:26 PM |
Moonrise:07:19 PM Moonset: 02:52 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday | Sunny |
15.8 ° C (60.4°F) |
27.1 ° C (80.7°F) |
21.2 ° C (70.2°F) |
% 66 | 6% | 6 | Sunrise:05:06 AM Sunset: 08:26 PM |
Moonrise:08:13 PM Moonset: 03:38 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Sunny |
15.1 ° C (59.3°F) |
27.1 ° C (80.8°F) |
21.5 ° C (70.7°F) |
% 59 | 4% | 6 | Sunrise:05:06 AM Sunset: 08:26 PM |
Moonrise:08:58 PM Moonset: 04:32 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Patchy rain nearby |
18 ° C (64.4°F) |
25.8 ° C (78.4°F) |
21.5 ° C (70.8°F) |
% 85 | 65% | 5 | Sunrise:05:07 AM Sunset: 08:26 PM |
Moonrise:09:34 PM Moonset: 05:33 AM Moon Phase ( Full Moon ) |
|
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