Portsmouth, VA Weather
Portsmouth, VA climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is July with an average maximum temperature of 86.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 32.30 degrees Fahrenheit.
Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 15 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.
The annual average precipitation at Portsmouth is 45.74 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 5.17 Inches.
Weather Data
Current Conditions
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Fair, 83°F | Humidity: 63% | Dewpoint: 69°F |
| Wind Speed: CALM | Heat Index: 87°F | ||
| Barometer: 30.04 in. | Wind Chill: 83°F |
Weather Forecast
| Tonight: Partly cloudy with isolated showers. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 20 percent. | ||
| Lo: 75°F | ||
| Hi: 90°F | Sunday: Partly sunny. A chance of showers with isolated thunderstorms in the afternoon. Humid with highs around 90. South winds around 5 mph...Becoming east in the afternoon. Chance of rain 30 percent. | |
| Lo: 75°F | ||
| Hi: 91°F | Monday: Mostly sunny. Highs in the lower 90s. Northwest winds 5 to 10 mph...Becoming southwest in the afternoon. Heat index values up to 100 in the afternoon. | |
| Lo: 75°F | ||
| Hi: 90°F | Tuesday: Partly sunny. Highs around 90. | |
| Lo: 75°F | ||
| Hi: 89°F | Wednesday: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the upper 80s. Chance of rain 30 percent. | |
| Lo: 75°F | ||
| Hi: 89°F | Thursday: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the upper 80s. Chance of rain 30 percent. | |
| Lo: 75°F | ||
| Hi: 89°F | Friday: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the upper 80s. Chance of rain 30 percent. | |
| Lo: 75°F |
Moon, Sunrise and Sunset
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Moon Phase: Waning Gibbous Moon | Civil Twilight: 5:30 AM EDT |
Sunrise: 6:00 AM EDT |
| Sunset: 8:22 PM EDT |
Civil Twilight: 8:51 PM EDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 47.8 | 50.3 | 57.8 | 67.0 | 74.9 | 82.8 | 86.8 | 84.7 | 79.4 | 69.4 | 60.9 | 52.3 | 67.8 |
| Mean °F | 40.1 | 42.0 | 49.0 | 57.4 | 66.3 | 74.5 | 79.1 | 77.4 | 72.1 | 61.1 | 52.3 | 44.2 | 59.6 |
| Min °F | 32.3 | 33.6 | 40.1 | 47.8 | 57.6 | 66.2 | 71.4 | 70.1 | 64.8 | 52.8 | 43.7 | 36.1 | 51.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.93 | 3.34 | 4.08 | 3.38 | 3.74 | 3.77 | 5.17 | 4.79 | 4.06 | 3.47 | 2.98 | 3.03 | 45.74 |

