Portsmouth, VA Weather & Growing Conditions
Overnight
72°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a low around 72. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Slight Chance Rain Showers | 5 mph NE | 21% |
| Saturday | 82°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 12 mph NE | 20% |
| Saturday Night | 69°F | Partly Cloudy | 5 to 10 mph E | 5% |
| Sunday | 87°F | Mostly Sunny | 7 mph SE | 4% |
| Sunday Night | 71°F | Partly Cloudy | 3 to 7 mph S | 10% |
| Monday | 84°F | Showers And Thunderstorms Likely | 3 to 13 mph N | 56% |
| Monday Night | 70°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 56% |
| Tuesday | 80°F | Chance Rain Showers | 13 to 23 mph NE | 54% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely | 15 to 21 mph NE | 55% |
| Wednesday | 76°F | Rain Showers Likely | 17 to 23 mph NE | 58% |
| Wednesday Night | 65°F | Rain Showers Likely | 16 to 22 mph NE | 58% |
| Thursday | 75°F | Chance Rain Showers | 17 to 23 mph NE | 48% |
| Thursday Night | 62°F | Chance Showers And Thunderstorms | 13 to 22 mph N | 48% |
| Friday | 74°F | Slight Chance Rain Showers | 17 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portsmouth, VA
Last spring frost
Mar 23
First fall frost
Nov 16
Growing season
239 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 S, Va (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.