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Weather in Portsmouth

Portsmouth, United States

16°C

Mist

Conditions at 06:45 local time

Feels like
17°C
Humidity
97%
Wind
6.5 km/h E
Recent precipitation
0 mm
Current time in PortsmouthFind another city

Plan with local context

Use the forecast for Portsmouth

Carry this city directly into the next time or weather task.

Location context

About this forecast location

Forecast values apply to the listed city coordinates. Conditions can vary across large urban areas and complex terrain.

Coordinates
43.0770, -70.7577
Local time zone
America/New_York
Administrative area
New Hampshire
Forecast service
WeatherAPI.com forecast service

Hourly forecast

Next 24 hours in Portsmouth

Hourly modeled conditions in America/New_York local time.

  1. 19°CCloudy25% precipitation6.8 km/h wind
  2. 19°COvercast28% precipitation10.4 km/h wind
  3. 18°COvercast30% precipitation11.9 km/h wind
  4. 19°COvercast28% precipitation11.2 km/h wind
  5. 20°COvercast26% precipitation13 km/h wind
  6. 20°COvercast20% precipitation13.3 km/h wind
  7. 20°COvercast20% precipitation12.2 km/h wind
  8. 20°COvercast19% precipitation13.3 km/h wind
  9. 20°COvercast17% precipitation13.3 km/h wind
  10. 20°COvercast17% precipitation12.2 km/h wind
  11. 19°COvercast20% precipitation10.8 km/h wind
  12. 18°COvercast24% precipitation10.4 km/h wind
  13. 18°COvercast25% precipitation11.9 km/h wind
  14. 19°COvercast23% precipitation15.5 km/h wind
  15. 19°COvercast24% precipitation12.6 km/h wind
  16. 18°COvercast26% precipitation17.3 km/h wind
  17. 18°CLight rain shower45% precipitation14.8 km/h wind
  18. 18°CLight rain77% precipitation9.7 km/h wind
  19. 18°CLight rain shower61% precipitation15.8 km/h wind
  20. 18°CLight rain shower65% precipitation17.6 km/h wind
  21. 18°CLight rain shower64% precipitation18 km/h wind
  22. 18°CLight rain81% precipitation16.6 km/h wind
  23. 18°CLight rain shower73% precipitation19.1 km/h wind
  24. 18°CLight rain85% precipitation19.1 km/h wind

Daily forecast

3-day forecast for Portsmouth

Daily high and low temperatures, precipitation chance and maximum wind speed.

  1. Overcast15°C to 20°C26% chance of precipitationWind up to 17.3 km/h
  2. Light rain shower17°C to 21°C93% chance of precipitationWind up to 19.1 km/h
  3. Mist16°C to 22°C26% chance of precipitationWind up to 17.6 km/h

Retrieved 2026-09-02T11:01:18.022Z; refresh due by 2026-09-02T11:16:18.022Z.

Nearby forecasts

Weather near Portsmouth

Compare forecasts for nearby cities.

Where this forecast comes from

WeatherAPI.com supplies forecast values for the listed coordinates. Forecasts may combine modeled and observed information and should not replace official weather warnings.

Forecast retrieved 2026-09-02T11:01:18.022Z; refresh due by 2026-09-02T11:16:18.022Z.

View forecast details and sources
  • Weather and Geolocation API
    WeatherAPI.com · Forecast API v1; free plan · WeatherAPI.com terms; commercial and non-commercial use permitted by plan · Accessed
    Current weather conditions, the next 24 hours and a three-day forecast.
  • GeoNames cities15000
    GeoNames · 2026-07-15_01-57-51-849 · CC BY 4.0 · Accessed
    City identity, administrative area, coordinates and time-zone identifier.