Weather Tomorrow in Portsmouth, VA
Saturday, September 12, 2026
Thunderstorms
Precip chance
74%
Wind
3-9 mph
Humidity
85%
Feels like
86–76°F
Rain forecast
Rain likely starts around 6 PM and may continue until 3 AM. Peak chance: 74% around 12 AM.
Data source: National Weather Service (NOAA) · Updated 41 min ago
Tomorrow by Hour
74°Temperature trend88°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 76°F | Slight Chance Showers And Thunderstorms | 15% | 5 mph E | ||
| 5 AM☽ | 76°F | Slight Chance Showers And Thunderstorms | 15% | 6 mph E | ||
| 6 AM☽ | 76°F | Mostly Cloudy | 14% | 6 mph E | ||
| 7 AM☽ | 75°F | Mostly Cloudy | 14% | 5 mph E | ||
| 8 AM☽ | 75°F | Mostly Cloudy | 14% | 5 mph E | ||
| 9 AM☽ | 75°F | Slight Chance Rain Showers | 15% | 3 mph E | ||
| 10 AM | 74°F | Slight Chance Rain Showers | 15% | 5 mph E | ||
| 11 AM | 74°F | Slight Chance Rain Showers | 15% | 5 mph E | ||
| 12 PM | 76°F | Slight Chance Rain Showers | 15% | 6 mph E | ||
| 1 PM | 78°F | Slight Chance Rain Showers | 15% | 7 mph E | ||
| 2 PM | 81°F | Slight Chance Rain Showers | 15% | 7 mph SE | ||
| 3 PM | 84°F | Partly Sunny | 12% | 8 mph SE | ||
| 4 PM | 86°F | Partly Sunny | 12% | 8 mph SE | ||
| 5 PM | 87°F | Partly Sunny | 12% | 8 mph SE | ||
| 6 PM | 88°F | Chance Showers And Thunderstorms | 41% | 8 mph SE | ||
| 7 PM | 88°F | Chance Showers And Thunderstorms | 41% | 8 mph SE | ||
| 8 PM | 88°F | Chance Showers And Thunderstorms | 41% | 9 mph SE | ||
| 9 PM | 86°F | Showers And Thunderstorms Likely | 58% | 9 mph SE | ||
| 10 PM☽ | 83°F | Showers And Thunderstorms Likely | 58% | 8 mph SE | ||
| 11 PM☽ | 81°F | Showers And Thunderstorms Likely | 58% | 7 mph SE | ||
| 12 AM☽ | 79°F | Showers And Thunderstorms Likely | 74% | 6 mph SE | ||
| 1 AM☽ | 78°F | Showers And Thunderstorms Likely | 74% | 6 mph SE | ||
| 2 AM☽ | 77°F | Showers And Thunderstorms Likely | 74% | 5 mph S | ||
| 3 AM☽ | 76°F | Showers And Thunderstorms Likely | 74% | 5 mph S | ||
Precipitation Timeline
100%
50%
74%
4a10a4p10p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- • Light t-shirt or tank top
- • Shorts or light skirt
- • Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- • Umbrella
- • Sunscreen
Conditions
High: 88°F
Low: 74°F
Wind: 3-9 mph
Rain: 74%
Rain expected around 6 PM — carry an umbrella.
Best Time to Be Outside Tomorrow
10 AM – 11 AM
Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)
4a10a4p10p
More for Portsmouth, VA
- Will it rain tomorrow in Portsmouth?
- What time will it rain tomorrow in Portsmouth?
- Weather tomorrow by hour in Portsmouth
- Heat index tomorrow by zip code near Portsmouth
- Dew point tomorrow by zip code near Portsmouth
- Wind chill tomorrow by zip code near Portsmouth
- Snow forecast tomorrow by zip code near Portsmouth
- What to wear tomorrow in Portsmouth
- Best time to be outside tomorrow in Portsmouth
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Frequently Asked Questions
What is the weather forecast for tomorrow in Portsmouth, VA?
Tomorrow in Portsmouth: High of 88°F, Low of 74°F. Thunderstorms with 74% chance of precipitation. Wind 3-9 mph.
Will it rain tomorrow in Portsmouth?
Rain likely starts around 6 PM and may continue until 3 AM. Peak chance: 74% around 12 AM.
What should I wear tomorrow in Portsmouth?
With a high of 88°F and low of 74°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.