Current Conditions
Portsmouth, New Hampshire
Wind
SSW 4 mph7 km/h
Humidity
80%
Cloud Cover
63%
As of Tuesday, September 8, 2026 at 7:18 PM EDT
Today's Outlook
Night
Mostly cloudy, with a low around 64°F18°C. Light wind from the SW around 4 mph7 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 73°F23°C | Low 64°F18°C | Precip 0.01 in0.2 mm13% | Cloud 61% | Wind W 4 mph7 km/h | Tuesday: Partly cloudy and warm, with a high of 73°F23°C. Light wind from the NNW around 4 mph7 km/h. 13% chance of drizzle in the afternoon. Tuesday Night: Mostly cloudy, with a low around 64°F18°C. Light wind from the SW around 4 mph7 km/h. | |
| Light Rain | High 70°F21°C | Low 60°F15°C | Precip 0.13 in3.2 mm94% | Cloud 98% | Wind S 9 mph14 km/h | Wednesday: Overcast and warm, with a high of 70°F21°C and morning low of 61°F16°C. Breezy from the SSE at 8 to 12 mph12 to 19 km/h. Wednesday Night: Overcast, with a low around 60°F15°C. Windy from the SSW at 10 to 16 mph16 to 26 km/h. 94% chance of light rain in the evening. | |
| Rain | High 81°F27°C | Low 70°F21°C | Precip 0.28 in7.2 mm98% | Cloud 69% | Wind WSW 13 mph21 km/h | Thursday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 71°F21°C. Breezy from the WSW at 13 to 14 mph20 to 23 km/h. 45% chance of showers in the morning. Thursday Night: Overcast, with a low around 70°F21°C. Windy from the WSW at 13 to 18 mph22 to 28 km/h. 98% chance of rain overnight. | |
| Clear | High 72°F22°C | Low 60°F16°C | Precip 0 in0 mm— | Cloud 11% | Wind WNW 9 mph14 km/h | Friday: Mostly clear and warm, with a high of 72°F22°C and morning low of 63°F17°C. Breezy from the WNW at 9 to 10 mph15 to 16 km/h. Dry air. Friday Night: Mostly clear, with a low around 60°F16°C. Breezy from the NW at 8 to 9 mph13 to 14 km/h. | |
| Partly Cloudy | High 70°F21°C | Low 55°F13°C | Precip 0 in0.1 mm9% | Cloud 59% | Wind S 7 mph11 km/h | Saturday: Mostly cloudy and warm, with a high of 70°F21°C and morning low of 59°F15°C. Breezy from the SSE at 7 to 10 mph11 to 17 km/h. Saturday Night: Mostly cloudy, with a low around 55°F13°C. Breezy from the S at 7 to 11 mph11 to 17 km/h. | |
| Rain | High 72°F22°C | Low 65°F18°C | Precip 0.47 in11.9 mm68% | Cloud 78% | Wind SSW 9 mph14 km/h | Sunday: Overcast and warm, with a high of 72°F22°C and morning low of 66°F19°C. Breezy from the S at 8 to 9 mph14 to 14 km/h. 68% chance of rain throughout the day. Humid. Sunday Night: Mostly cloudy, with a low around 65°F18°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. 59% chance of light rain throughout the night. | |
| Drizzle | High 72°F22°C | Low 60°F16°C | Precip 0.03 in0.7 mm10% | Cloud 29% | Wind NW 9 mph15 km/h | Monday: Partly cloudy and warm, with a high of 72°F22°C and morning low of 64°F18°C. Breezy from the NW at 10 mph16 km/h. Monday Night: Partly cloudy, with a low around 60°F16°C. Breezy from the NW at 9 mph14 km/h. 10% chance of drizzle overnight. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 8 | 73°F23°C | 64°F18°C | 0.01 in0.2 mm· 13% | 61% | Drizzle | W 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C. Light wind from the NNW around 4 mph7 km/h. 13% chance of drizzle in the afternoon. NightMostly cloudy, with a low around 64°F18°C. Light wind from the SW around 4 mph7 km/h. | |||||||
| WednesdaySep 9 | 70°F21°C | 60°F15°C | 0.13 in3.2 mm· 94% | 98% | Light Rain | S 9 mph14 km/h | |
DayOvercast and warm, with a high of 70°F21°C and morning low of 61°F16°C. Breezy from the SSE at 8 to 12 mph12 to 19 km/h. NightOvercast, with a low around 60°F15°C. Windy from the SSW at 10 to 16 mph16 to 26 km/h. 94% chance of light rain in the evening. | |||||||
| ThursdaySep 10 | 81°F27°C | 70°F21°C | 0.28 in7.2 mm· 98% | 69% | Rain | WSW 13 mph21 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 71°F21°C. Breezy from the WSW at 13 to 14 mph20 to 23 km/h. 45% chance of showers in the morning. NightOvercast, with a low around 70°F21°C. Windy from the WSW at 13 to 18 mph22 to 28 km/h. 98% chance of rain overnight. | |||||||
| FridaySep 11 | 72°F22°C | 60°F16°C | 0 in0 mm· — | 11% | Clear | WNW 9 mph14 km/h | |
DayMostly clear and warm, with a high of 72°F22°C and morning low of 63°F17°C. Breezy from the WNW at 9 to 10 mph15 to 16 km/h. Dry air. NightMostly clear, with a low around 60°F16°C. Breezy from the NW at 8 to 9 mph13 to 14 km/h. | |||||||
| SaturdaySep 12 | 70°F21°C | 55°F13°C | 0 in0.1 mm· 9% | 59% | Partly Cloudy | S 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 59°F15°C. Breezy from the SSE at 7 to 10 mph11 to 17 km/h. NightMostly cloudy, with a low around 55°F13°C. Breezy from the S at 7 to 11 mph11 to 17 km/h. | |||||||
| SundaySep 13 | 72°F22°C | 65°F18°C | 0.47 in11.9 mm· 68% | 78% | Rain | SSW 9 mph14 km/h | |
DayOvercast and warm, with a high of 72°F22°C and morning low of 66°F19°C. Breezy from the S at 8 to 9 mph14 to 14 km/h. 68% chance of rain throughout the day. Humid. NightMostly cloudy, with a low around 65°F18°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. 59% chance of light rain throughout the night. | |||||||
| MondaySep 14 | 72°F22°C | 60°F16°C | 0.03 in0.7 mm· 10% | 29% | Drizzle | NW 9 mph15 km/h | |
DayPartly cloudy and warm, with a high of 72°F22°C and morning low of 64°F18°C. Breezy from the NW at 10 mph16 km/h. NightPartly cloudy, with a low around 60°F16°C. Breezy from the NW at 9 mph14 km/h. 10% chance of drizzle overnight. | |||||||
| TuesdaySep 15 | 68°F20°C | 56°F14°C | 0.01 in0.2 mm· 5% | 42% | Partly Cloudy | S 8 mph13 km/h | |
DayPartly cloudy and warm, with a high of 68°F20°C and morning low of 58°F15°C. Breezy from the SSE at 8 to 10 mph13 to 17 km/h. NightPartly cloudy, with a low around 56°F14°C. Breezy from the SW at 9 to 11 mph14 to 18 km/h. | |||||||
| WednesdaySep 16 | 75°F24°C | 63°F17°C | 0.07 in1.8 mm· 16% | 59% | Drizzle | SW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 65°F18°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 16% chance of drizzle throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the SW at 9 to 11 mph14 to 17 km/h. 13% chance of drizzle throughout the night. | |||||||
| ThursdaySep 17 | 70°F21°C | 63°F17°C | 0.08 in2 mm· 13% | 58% | Drizzle | ESE 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 63°F17°C. Breezy from the E at 7 mph11 km/h. 11% chance of drizzle throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the SSW at 8 mph12 km/h. 13% chance of drizzle throughout the night. | |||||||
| FridaySep 18 | 73°F23°C | 63°F17°C | 0.12 in3 mm· 20% | 60% | Showers | SW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 64°F18°C. Breezy from the SW at 9 mph14 km/h. 18% chance of drizzle throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the SW at 9 to 10 mph14 to 15 km/h. 20% chance of showers throughout the night. | |||||||
| SaturdaySep 19 | 69°F20°C | 61°F16°C | 0.13 in3.3 mm· 18% | 51% | Showers | W 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 62°F17°C. Breezy from the WNW at 9 mph14 km/h. 16% chance of showers throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the W at 9 to 10 mph14 to 15 km/h. 18% chance of showers throughout the night. | |||||||
| SundaySep 20 | 66°F19°C | 58°F14°C | 0.13 in3.4 mm· 17% | 60% | Showers | W 8 mph13 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 59°F15°C. Breezy from the WNW at 8 to 9 mph14 to 14 km/h. 17% chance of showers throughout the day. NightMostly cloudy, with a low around 58°F14°C. Breezy from the W at 8 to 9 mph13 to 14 km/h. 16% chance of showers throughout the night. | |||||||
| MondaySep 21 | 65°F18°C | 56°F13°C | 0.15 in3.8 mm· 19% | 56% | Showers | NW 8 mph13 km/h | |
DayMostly cloudy and mild, with a high of 65°F18°C and morning low of 57°F14°C. Breezy from the NNW at 8 to 9 mph13 to 14 km/h. 18% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 56°F13°C. Breezy from the NW at 8 to 9 mph13 to 14 km/h. 19% chance of showers throughout the night. | |||||||
| TuesdaySep 22 | 64°F18°C | 55°F13°C | 0.17 in4.2 mm· 16% | 53% | Showers | NW 8 mph14 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 56°F13°C. Breezy from the N at 8 to 9 mph14 to 14 km/h. 16% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 55°F13°C. Breezy from the NW at 8 to 9 mph14 to 14 km/h. 15% chance of showers throughout the night. | |||||||
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Coordinates: 43.0770°N, 70.7577°W·Elevation: 6m·Timezone: America/New_York·Population: 21,530