Portsmouth, OH weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Portsmouth now
Loading the National Weather Service forecast…
Portsmouth weather by the hour
Portsmouth weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Portsmouth.
This week in Portsmouth
Sunrise, sunset and moon in Portsmouth
What is the weather usually like in Portsmouth?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 23°F average low
- 43.1 inprecipitation per year · 1,095 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Portsmouth: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PORTSMOUTH-SCIOTOVILLE, OH US (USC00336781), adjusted for the elevation of Portsmouth.
Portsmouth weather month by month
Sunrise and sunset in Portsmouth through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:46 AM | 5:35 PM | 9 h 48 min |
| February | 7:20 AM | 6:10 PM | 10 h 49 min |
| March | 7:41 AM | 7:40 PM | 11 h 58 min |
| April | 6:53 AM | 8:09 PM | 13 h 16 min |
| May | 6:17 AM | 8:38 PM | 14 h 20 min |
| June | 6:04 AM | 8:59 PM | 14 h 55 min |
| July | 6:17 AM | 8:57 PM | 14 h 39 min |
| August | 6:44 AM | 8:27 PM | 13 h 43 min |
| September | 7:12 AM | 7:41 PM | 12 h 29 min |
| October | 7:40 AM | 6:55 PM | 11 h 14 min |
| November | 7:12 AM | 5:19 PM | 10 h 6 min |
| December | 7:41 AM | 5:12 PM | 9 h 31 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Portsmouth?
Portsmouth has a humid subtropical climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 43.1 inches (1,095 mm) of precipitation a year. The wettest month is May and the driest is November.
The best time to visit Portsmouth is May and August to October. At 531 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Portsmouth
Weather in towns near Portsmouth
Questions about the weather in Portsmouth
What is the hottest month in Portsmouth?
July, with an average high of 87°F (30°C).
What is the coldest month in Portsmouth?
January, with an average low of 23°F (-5°C).
How much does it rain in Portsmouth?
About 43.1 inches (1,095 mm) a year; the wettest month is May.
Does it snow in Portsmouth?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Portsmouth?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Portsmouth have?
Humid subtropical (Köppen Cfa).
What is the weather like in Portsmouth in November?
Highs average 56°F and lows 33°F, with about 2.8 inches of precipitation.
What time is sunrise in Portsmouth?
Around 7:12 AM in mid-November, and sunset around 5:19 PM. Today’s exact times are shown above.
Where does this Portsmouth weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Portsmouth.
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