Portsmouth
Zicack, Saint John Parish, Dominica
Current Weather
28°82°
Drizzle
Feels Like: 33°92°
Min: 26°80°
Max: 29°83°
The next few hours will be mostly clear, with today reaching 29°C and dropping to 27°C. The coming days will be drizzle
Hourly Forecast
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Daylight Hours
06:03
Sunrise
17:36
Sunset
Moon
15:13
Moonrise
02:37
Moonset
Daily Forecast
Today
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Resources
UV Index
Humidity
Looking at the night sky?
See moon phases, eclipses, and seasons for this year.
View astronomyCurrent stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Portsmouth.
View stargazing scoreWeather in Portsmouth today, October 22, 2026
Expect unsettled, showery conditions in Portsmouth on October 22, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.Expect unsettled, showery conditions in Portsmouth on October 22, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.
The temperature range runs from about 26°C up to 29°C. The air stays humid, with relative humidity between 83% and 86% and the peak around 15:00. Winds stay light, near 15 km/h by 15:00, so the day feels still more than breezy.The temperature range runs from about 80°F up to 83°F. The air stays humid, with relative humidity between 83% and 86% and the peak around 15:00. Winds stay light, near 9 mph by 15:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 86% around 15:00. Cloud also stays substantial, close to 26% near 20:00. Expect visibility around 16.1 km. Sunrise is at 06:03 and sunset at 17:36, giving 11 hours 32 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 86% around 15:00. Cloud also stays substantial, close to 26% near 20:00. Expect visibility around 10 mi. Sunrise is at 06:03 and sunset at 17:36, giving 11 hours 32 minutes of sunlight today.
Taken together, Portsmouth looks wet enough on October 22, 2026 that flexible outdoor plans work best, with temperatures peaking near 29°C.Taken together, Portsmouth looks wet enough on October 22, 2026 that flexible outdoor plans work best, with temperatures peaking near 83°F.
Frequently asked questions about weather in Portsmouth
How warm does it get in Portsmouth?
The warmest month in Portsmouth is September, with average high temperatures of 28°C. The average temperature during this period is around 28°C.The warmest month in Portsmouth is September, with average high temperatures of 83°F. The average temperature during this period is around 82°F.
How cold does it get in Portsmouth?
The coldest month in Portsmouth is February, with average low temperatures of 24°C. The average temperature during this period is around 25°C.The coldest month in Portsmouth is February, with average low temperatures of 76°F. The average temperature during this period is around 77°F.
What is the wettest time of year in Portsmouth?
The wettest month in Portsmouth is September, with an average of 131 mm of precipitation.The wettest month in Portsmouth is September, with an average of 5.2 in of precipitation.
What is the driest time of year in Portsmouth?
The driest month in Portsmouth is March, with an average of 33 mm of precipitation.The driest month in Portsmouth is March, with an average of 1.3 in of precipitation.