Portsmouth, NH Weather Forecast and Current Conditions
| Day | Sky | High / Low | Precip | Wind | Humidity | |
|---|---|---|---|---|---|---|
|
Sat Aug 8 |
 |
PM Thunderstorms Close Hourly |
80º / 69º | 53% | ESE 6 mph | 78% |
| 11am |  |
Mostly Cloudy | 81º | 5% | NW 5 mph | 74% |
| 12pm |  |
Cloudy | 81º | 8% | ESE 5 mph | 72% |
| 1pm | |
Cloudy | 81º | 14% | ESE 6 mph | 74% |
| 2pm |  |
Partly Cloudy | 80º | 15% | ESE 6 mph | 76% |
| 3pm | |
Mostly Cloudy | 80º | 23% | ESE 6 mph | 76% |
| 4pm | |
Mostly Cloudy | 80º | 24% | SE 6 mph | 77% |
| 5pm |  |
Isolated Thunderstorms | 79º | 34% | ESE 5 mph | 77% |
| 6pm | |
Scattered Thunderstorms | 79º | 53% | ESE 4 mph | 79% |
| 7pm |  |
Showers | 78º | 36% | ESE 3 mph | 79% |
| 8pm | |
Cloudy | 76º | 15% | E 2 mph | 84% |
| 9pm |  |
Scattered Thunderstorms | 74º | 37% | SSE 1 mph | 89% |
| 10pm | |
Isolated Thunderstorms | 72º | 34% | SSW 2 mph | 93% |
| 11pm |  |
Partly Cloudy | 72º | 12% | SW 1 mph | 92% |
|
Sun Aug 9 |
 |
Mostly Sunny View Hourly |
89º / 64º | 24% | W 8 mph | 64% |
| 12am | |
Partly Cloudy | 71º | 12% | WSW 2 mph | 93% |
| 1am |  |
Mostly Clear | 71º | 14% | WSW 3 mph | 94% |
| 2am | |
Mostly Clear | 71º | 11% | WSW 3 mph | 93% |
| 3am | |
Mostly Clear | 71º | 10% | WSW 4 mph | 93% |
| 4am |  |
Mostly Cloudy | 71º | 21% | WSW 4 mph | 94% |
| 5am | |
Partly Cloudy | 70º | 8% | WSW 4 mph | 95% |
| 6am | |
Partly Cloudy | 70º | 8% | WSW 4 mph | 95% |
| 7am | |
Partly Cloudy | 72º | 7% | WSW 4 mph | 90% |
| 8am | |
Mostly Sunny | 75º | 7% | W 6 mph | 83% |
| 9am | |
Mostly Sunny | 78º | 5% | W 6 mph | 76% |
| 10am | |
Mostly Sunny | 82º | 3% | W 7 mph | 68% |
| 11am |  |
Sunny | 84º | 2% | W 7 mph | 62% |
| 12pm | |
Mostly Sunny | 86º | 17% | W 7 mph | 58% |
| 1pm | |
Partly Cloudy | 87º | 24% | WSW 8 mph | 56% |
| 2pm | |
Partly Cloudy | 87º | 24% | WSW 8 mph | 54% |
| 3pm | |
Partly Cloudy | 87º | 3% | WSW 8 mph | 54% |
| 4pm | |
Partly Cloudy | 87º | 15% | WSW 8 mph | 54% |
| 5pm | |
Partly Cloudy | 86º | 15% | W 7 mph | 55% |
| 6pm | |
Partly Cloudy | 86º | 15% | W 7 mph | 52% |
| 7pm | |
Partly Cloudy | 84º | 15% | WNW 6 mph | 54% |
| 8pm | |
Mostly Clear | 81º | 15% | WNW 5 mph | 55% |
| 9pm | |
Mostly Clear | 78º | 15% | WNW 5 mph | 61% |
| 10pm | |
Mostly Clear | 76º | 15% | WNW 4 mph | 66% |
| 11pm |  |
Clear | 74º | 2% | NW 4 mph | 68% |
|
Mon Aug 10 |
|
Partly Cloudy View Hourly |
84º / 69º | 6% | SSW 10 mph | 60% |
| 12am | |
Clear | 72º | 3% | NW 4 mph | 71% |
| 1am | |
Clear | 71º | 4% | NW 4 mph | 74% |
| 2am | |
Clear | 69º | 5% | NW 3 mph | 79% |
| 3am | |
Mostly Clear | 68º | 6% | NW 3 mph | 84% |
| 4am | |
Clear | 66º | 6% | NW 3 mph | 86% |
| 5am | |
Clear | 65º | 7% | WNW 2 mph | 88% |
| 6am | |
Mostly Sunny | 65º | 7% | WNW 2 mph | 91% |
| 7am | |
Mostly Sunny | 69º | 6% | WNW 2 mph | 84% |
| 8am | |
Sunny | 73º | 4% | W 2 mph | 76% |
| 9am | |
Mostly Sunny | 76º | 2% | WSW 3 mph | 68% |
| 10am | |
Partly Cloudy | 79º | 1% | SSW 4 mph | 61% |
|
Tue Aug 11 |
 |
PM Showers | 86º / 65º | 30% | W 9 mph | 58% |
|
Wed Aug 12 |
|
Partly Cloudy | 81º / 64º | 20% | W 7 mph | 57% |
|
Thu Aug 13 |
|
PM Thunderstorms | 82º / 63º | 48% | SSW 10 mph | 61% |
|
Fri Aug 14 |
|
Sunny | 80º / 59º | 12% | WNW 12 mph | 55% |
|
Sat Aug 15 |
|
Mostly Sunny | 79º / 60º | 6% | W 10 mph | 52% |
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For Portsmouth, NH -
Wind Forecast
In Portsmouth, NH -
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In Portsmouth, NH -
Marine Forecast
In Portsmouth, NH
Weather Radar for Portsmouth, NH See Radar
* Playback displays weather for the past 6 hours.
NOAA Weather Marine Forecast for Portsmouth, NH
Today
High : 76ºF
Variable winds 5 kt or less. Isolated showers and thunderstorms after 4pm. Patchy fog after 11am. Seas 1 ft or less.
Variable winds 5 kt or less. Isolated showers and thunderstorms after 4pm. Patchy fog after 11am. Seas 1 ft or less.
Tonight
Low : 68ºF
Variable winds 5 kt or less. Isolated showers and thunderstorms before 9pm. Patchy fog before midnight. Seas 1 ft or less.
Variable winds 5 kt or less. Isolated showers and thunderstorms before 9pm. Patchy fog before midnight. Seas 1 ft or less.
Sunday
High : 82ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Sunday Night
Low : 67ºF
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming clear. Seas 1 ft or less.
Monday
High : 79ºF
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Monday Night
Low : 68ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Tuesday
High : 80ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Low : 65ºF
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
High : 74ºF
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
NOAA Buoy Data Near Portsmouth, NH See Map
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Wind Speed Forecast for Portsmouth, NH
| Saturday | Sunday | Monday | ||||||||||
| Wind Speed (MPH) | 5 | 6 | 3 | 1 | 4 | 4 | 7 | 8 | 6 | 4 | 3 | 2 |
| 3pm | 7pm | 11pm | 3am | 7am | 11am | 3pm | 7pm | 11pm | 3am | 7am | 11am | |
| MPH | 5 | 6 | 3 | 1 | 4 | 4 | 7 | 8 | 6 | 4 | 3 | 2 |
| DIR | NW | ESE | ESE | SW | WSW | WSW | W | WSW | WNW | NW | NW | WNW |
Current Weather Conditions In Portsmouth, NH
As Of: 30 minutes ago
- 81ºF
- 86ºF
- 5mph
- 0º (NW)
- 5mph
- Mostly Cloudy
- 10mi
- 29.93"
- 74%
- 0ºF
The weather right now in Portsmouth, NH is Mostly Cloudy. The current temperature is 81°F, and the expected high and low for today, Saturday, August 8, 2026, are 80° high temperature and 69°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the Northwest. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 86° Fahrenheit. Expected precipitation is 5 percent, with current humidity at 74 percent, and air pressure at 29.93 in. Visibility is 10 nautical miles. There are no current weather alert(s).
