Portsmouth, VA Weather & Growing Conditions
This Afternoon
88°F
Mostly Sunny
Mostly sunny, with a high near 88. Northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Mostly Sunny | 8 mph NE | 11% |
| Tonight | 73°F | Mostly Cloudy | 8 mph NE | 11% |
| Saturday | 81°F | Partly Sunny | 9 to 13 mph NE | 10% |
| Saturday Night | 71°F | Partly Cloudy | 5 to 12 mph E | 9% |
| Sunday | 86°F | Sunny | 5 to 8 mph SE | 4% |
| Sunday Night | 72°F | Mostly Clear | 3 to 7 mph S | 8% |
| Monday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 3 to 9 mph N | 55% |
| Monday Night | 71°F | Showers And Thunderstorms Likely | 9 mph NE | 57% |
| Tuesday | 80°F | Showers And Thunderstorms Likely | 10 to 22 mph NE | 67% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely | 17 to 22 mph NE | 67% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 18 to 24 mph NE | 59% |
| Wednesday Night | 68°F | Showers And Thunderstorms Likely | 18 to 24 mph NE | 59% |
| Thursday | 75°F | Chance Rain Showers | 18 to 23 mph NE | 49% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 12 to 22 mph N | 47% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portsmouth, VA
Last spring frost
Mar 16
First fall frost
Nov 26
Growing season
255 days
Hardiness zone
8b
Explore more for Portsmouth, VA: full frost dates · planting calendar · Virginia frost dates
Climate data from the nearest NOAA station, Norfolk Nas, Va (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.