Current Conditions
Portsmouth, New Hampshire
Wind
E 6 mph9 km/h
Humidity
90%
Cloud Cover
95%
As of Wednesday, September 2, 2026 at 9:01 AM EDT
Today's Outlook
Day
Overcast and mild, with a high of 68°F20°C. Breezy from the ESE at 7 to 8 mph11 to 12 km/h.
Night
Overcast, with a low around 65°F18°C. Breezy from the SSE at 8 mph12 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Cloudy | High 68°F20°C | Low 65°F18°C | Precip 0 in0.1 mm4% | Cloud 96% | Wind SE 7 mph12 km/h | Wednesday: Overcast and mild, with a high of 68°F20°C. Breezy from the ESE at 7 to 8 mph11 to 12 km/h. Wednesday Night: Overcast, with a low around 65°F18°C. Breezy from the SSE at 8 mph12 km/h. | |
| Rain | High 71°F22°C | Low 64°F18°C | Precip 0.74 in18.7 mm100% | Cloud 89% | Wind SSE 6 mph10 km/h | Thursday: Overcast and warm, with a high of 71°F22°C and morning low of 64°F18°C. Breezy from the SSE at 6 to 9 mph10 to 14 km/h. 100% chance of rain throughout the day. Humid. Thursday Night: Overcast, with a low around 64°F18°C. Breezy from the SSE at 7 to 10 mph11 to 16 km/h. 96% chance of rain throughout the night. | |
| Drizzle | High 76°F24°C | Low 65°F18°C | Precip 0.04 in1 mm22% | Cloud 52% | Wind NW 5 mph7 km/h | Friday: Partly cloudy and warm, with a high of 76°F24°C and morning low of 66°F19°C. Light wind from the WNW around 4 mph6 km/h. 22% chance of drizzle throughout the day. Humid. Friday Night: Mostly cloudy, with a low around 65°F18°C. Breezy from the NW at 5 to 9 mph9 to 14 km/h. 19% chance of drizzle overnight. | |
| Showers | High 70°F21°C | Low 63°F17°C | Precip 0.07 in1.8 mm44% | Cloud 48% | Wind N 10 mph16 km/h | Saturday: Mostly cloudy and warm, with a high of 70°F21°C. Breezy from the NNE at 10 to 11 mph17 to 18 km/h. 44% chance of showers throughout the day. Saturday Night: Partly cloudy, with a low around 63°F17°C. Breezy from the N at 10 to 11 mph16 to 18 km/h. 28% chance of drizzle in the evening. | |
| Drizzle | High 70°F21°C | Low 60°F15°C | Precip 0.02 in0.4 mm11% | Cloud 33% | Wind N 9 mph15 km/h | Sunday: Partly cloudy and warm, with a high of 70°F21°C and morning low of 61°F16°C. Breezy from the N at 10 to 12 mph16 to 20 km/h. Sunday Night: Partly cloudy, with a low around 60°F15°C. Breezy from the N at 9 to 11 mph14 to 18 km/h. 11% chance of drizzle overnight. | |
| Clear | High 74°F23°C | Low 57°F14°C | Precip 0 in0 mm— | Cloud 22% | Wind WNW 6 mph10 km/h | Monday: Mostly clear and warm, with a high of 74°F23°C and morning low of 61°F16°C. Light wind from the NW around 5 mph9 km/h. Monday Night: Partly cloudy, with a low around 57°F14°C. Breezy from the WNW at 7 to 8 mph12 to 12 km/h. | |
| Partly Cloudy | High 74°F23°C | Low 61°F16°C | Precip 0.01 in0.3 mm9% | Cloud 49% | Wind WNW 7 mph11 km/h | Tuesday: Partly cloudy and warm, with a high of 74°F23°C and morning low of 63°F17°C. Breezy from the NW at 6 to 7 mph10 to 11 km/h. Tuesday Night: Partly cloudy, with a low around 61°F16°C. Breezy from the W at 7 to 8 mph11 to 12 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 2 | 68°F20°C | 65°F18°C | 0 in0.1 mm· 4% | 96% | Cloudy | SE 7 mph12 km/h | |
DayOvercast and mild, with a high of 68°F20°C. Breezy from the ESE at 7 to 8 mph11 to 12 km/h. NightOvercast, with a low around 65°F18°C. Breezy from the SSE at 8 mph12 km/h. | |||||||
| ThursdaySep 3 | 71°F22°C | 64°F18°C | 0.74 in18.7 mm· 100% | 89% | Rain | SSE 6 mph10 km/h | |
DayOvercast and warm, with a high of 71°F22°C and morning low of 64°F18°C. Breezy from the SSE at 6 to 9 mph10 to 14 km/h. 100% chance of rain throughout the day. Humid. NightOvercast, with a low around 64°F18°C. Breezy from the SSE at 7 to 10 mph11 to 16 km/h. 96% chance of rain throughout the night. | |||||||
| FridaySep 4 | 76°F24°C | 65°F18°C | 0.04 in1 mm· 22% | 52% | Drizzle | NW 5 mph7 km/h | |
DayPartly cloudy and warm, with a high of 76°F24°C and morning low of 66°F19°C. Light wind from the WNW around 4 mph6 km/h. 22% chance of drizzle throughout the day. Humid. NightMostly cloudy, with a low around 65°F18°C. Breezy from the NW at 5 to 9 mph9 to 14 km/h. 19% chance of drizzle overnight. | |||||||
| SaturdaySep 5 | 70°F21°C | 63°F17°C | 0.07 in1.8 mm· 44% | 48% | Showers | N 10 mph16 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C. Breezy from the NNE at 10 to 11 mph17 to 18 km/h. 44% chance of showers throughout the day. NightPartly cloudy, with a low around 63°F17°C. Breezy from the N at 10 to 11 mph16 to 18 km/h. 28% chance of drizzle in the evening. | |||||||
| SundaySep 6 | 70°F21°C | 60°F15°C | 0.02 in0.4 mm· 11% | 33% | Drizzle | N 9 mph15 km/h | |
DayPartly cloudy and warm, with a high of 70°F21°C and morning low of 61°F16°C. Breezy from the N at 10 to 12 mph16 to 20 km/h. NightPartly cloudy, with a low around 60°F15°C. Breezy from the N at 9 to 11 mph14 to 18 km/h. 11% chance of drizzle overnight. | |||||||
| MondaySep 7 | 74°F23°C | 57°F14°C | 0 in0 mm· — | 22% | Clear | WNW 6 mph10 km/h | |
DayMostly clear and warm, with a high of 74°F23°C and morning low of 61°F16°C. Light wind from the NW around 5 mph9 km/h. NightPartly cloudy, with a low around 57°F14°C. Breezy from the WNW at 7 to 8 mph12 to 12 km/h. | |||||||
| TuesdaySep 8 | 74°F23°C | 61°F16°C | 0.01 in0.3 mm· 9% | 49% | Partly Cloudy | WNW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 74°F23°C and morning low of 63°F17°C. Breezy from the NW at 6 to 7 mph10 to 11 km/h. NightPartly cloudy, with a low around 61°F16°C. Breezy from the W at 7 to 8 mph11 to 12 km/h. | |||||||
| WednesdaySep 9 | 72°F22°C | 61°F16°C | 0.06 in1.4 mm· 17% | 72% | Drizzle | SSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 63°F17°C. Breezy from the S at 8 to 10 mph13 to 16 km/h. 17% chance of drizzle in the afternoon. NightMostly cloudy, with a low around 61°F16°C. Breezy from the SW at 9 to 11 mph14 to 18 km/h. 17% chance of drizzle in the evening. | |||||||
| ThursdaySep 10 | 78°F25°C | 68°F20°C | 0.11 in2.7 mm· 23% | 63% | Drizzle | WSW 10 mph17 km/h | |
DayMostly cloudy and warm, with a high of 78°F25°C and morning low of 69°F21°C. Breezy from the WSW at 10 to 11 mph17 to 18 km/h. 19% chance of drizzle throughout the day. NightMostly cloudy, with a low around 68°F20°C. Breezy from the WSW at 10 to 11 mph17 to 18 km/h. 23% chance of drizzle throughout the night. | |||||||
| FridaySep 11 | 75°F24°C | 66°F19°C | 0.07 in1.8 mm· 12% | 41% | Drizzle | W 9 mph14 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 68°F20°C. Breezy from the WNW at 9 mph14 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Breezy from the W at 9 to 10 mph14 to 16 km/h. 11% chance of drizzle overnight. | |||||||
| SaturdaySep 12 | 73°F23°C | 63°F17°C | 0.06 in1.4 mm· 15% | 52% | Drizzle | SW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 65°F18°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 15% chance of drizzle throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the WSW at 8 to 9 mph13 to 14 km/h. 15% chance of drizzle throughout the night. | |||||||
| SundaySep 13 | 73°F23°C | 64°F18°C | 0.17 in4.2 mm· 24% | 58% | Showers | SW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the SSW at 9 to 10 mph14 to 16 km/h. 24% chance of showers throughout the day. NightMostly cloudy, with a low around 64°F18°C. Breezy from the WSW at 9 mph14 km/h. 22% chance of drizzle throughout the night. | |||||||
| MondaySep 14 | 72°F22°C | 63°F17°C | 0.12 in3 mm· 14% | 53% | Drizzle | W 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 64°F18°C. Breezy from the W at 8 mph13 km/h. 14% chance of drizzle throughout the day. NightMostly cloudy, with a low around 63°F17°C. Breezy from the W at 8 to 9 mph14 to 14 km/h. 12% chance of drizzle throughout the night. | |||||||
| TuesdaySep 15 | 70°F21°C | 62°F17°C | 0.1 in2.6 mm· 16% | 53% | Drizzle | WSW 8 mph14 km/h | |
DayMostly cloudy and warm, with a high of 70°F21°C and morning low of 63°F17°C. Breezy from the WSW at 9 mph14 km/h. 16% chance of drizzle throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the WSW at 8 mph13 km/h. 14% chance of drizzle throughout the night. | |||||||
| WednesdaySep 16 | 71°F22°C | 61°F16°C | 0.14 in3.5 mm· 17% | 52% | Showers | SW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 71°F22°C and morning low of 62°F17°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h. 17% chance of showers throughout the day. NightPartly cloudy, with a low around 61°F16°C. Breezy from the WSW at 8 mph13 km/h. 17% chance of drizzle throughout the night. | |||||||
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Coordinates: 43.0770°N, 70.7577°W·Elevation: 6m·Timezone: America/New_York·Population: 21,530