Portsmouth
Today
Today weather in Portsmouth
Monday, 15th September 2025
17°
Patchy rain possible
Official weather alert: Yellow Wind Warning. Mild temperatures are expected in Portsmouth Today, peaking at around 16 °C and dropping to 14 °C by night. Intense winds are on the horizon for Portsmouth Today, with gusts surpassing 54 km/h. Rain is highly likely at 91%, but with light accumulations around 0.89 mm.
17° / 14°
Temp
91%
Rain
54 km/h
Wind
75%
Humidity
Portsmouth Weather Pages
Portsmouth hourly forecast for today
Scroll right to see more weather forecasts for Portsmouth today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:40 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 19:18 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | | | |  |  | | | | | | | | | | | | |  | | | | | Next |
| temperatures | 15.8° | 15.3° | 14.8° | 14.8° | 14.9° | 14.2° | 14.7° | Sunrise | 14.8° | 15.4° | 16.1° | 16.6° | 16.8° | 16.6° | 16.5° | 16.2° | 16.1° | 16.2° | 16.1° | 15.6° | 15.3° | Sunset | 15° | 14.7° | 14.4° | 14.2° | |
| feels like | 15.8° | 15.3° | 12.1° | 12° | 12.1° | 12.1° | 11.9° | 12.1° | 15.4° | 16.1° | 16.6° | 16.8° | 16.6° | 16.5° | 16.2° | 16.1° | 16.2° | 16.1° | 15.6° | 15.3° | 12.5° | 12.2° | 11.9° | 11.6° | |||
| wind speed | 49 km/h | 50 km/h | 49 km/h | 50 km/h | 51 km/h | 50 km/h | 49 km/h | 49 km/h | 49 km/h | 49 km/h | 49 km/h | 52 km/h | 53 km/h | 54 km/h | 54 km/h | 53 km/h | 52 km/h | 50 km/h | 46 km/h | 43 km/h | 43 km/h | 42 km/h | 40 km/h | 39 km/h | |||
| wind degree | 244° | 248° | 248° | 249° | 249° | 249° | 250° | 249° | 247° | 247° | 244° | 244° | 244° | 244° | 245° | 247° | 249° | 253° | 259° | 262° | 263° | 264° | 264° | 264° | |||
| wind direction | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | W | W | W | W | |||
| Precipitation | 0.2 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0.1 mm | 0.1 mm | 0.2 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 100% | 100% | 0% | 72% | 89% | 60% | 0% | 0% | 0% | 62% | 0% | 64% | 100% | 100% | 100% | 100% | 68% | 75% | 80% | 0% | 61% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 83% | 83% | 81% | 80% | 79% | 77% | 77% | 76% | 74% | 72% | 70% | 69% | 71% | 72% | 74% | 75% | 72% | 71% | 73% | 73% | 74% | 76% | 76% | 78% | |||
| dew point | 12.9° | 12.3° | 11.6° | 11.5° | 11.3° | 11° | 10.7° | 10.7° | 10.9° | 11.1° | 11° | 11.1° | 11.3° | 11.5° | 11.7° | 11.7° | 11.2° | 10.9° | 10.8° | 10.6° | 10.5° | 10.5° | 10.4° | 10.4° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 70% | 64% | 52% | 57% | 65% | 25% | 36% | 34% | 35% | 81% | 27% | 73% | 74% | 70% | 72% | 76% | 82% | 78% | 63% | 62% | 84% | 41% | 39% | 48% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.9 | 1.8 | 2.9 | 3.7 | 4 | 3.7 | 2.8 | 1.8 | 0.9 | 0.3 | 0 | 0 | 0 | 0 | 0 |
View of Portsmouth today
Explore Portsmouth live webcam feed to see how the weather is shaping up today in Portsmouth. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
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Weather in Portsmouth today
The temperature today in Portsmouth is expected to be typical for this time of year, with a forecast of 17 °C, closely aligning with the historical average for 15th of September.
temperatures
17 °C
rain
0.9 mm
wind
54 km/h
UV
Low
Portsmouth daylight overview ☀️
Today in Portsmouth, The sun rises at 06:40 and sets at 19:18, giving a total daylight duration of 12 hours and 38 minutes.
Quick links
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What to wear today in Portsmouth? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Portsmouth forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather today in Portsmouth - FAQ
What is the maximum temperature for today in Portsmouth?
The maximum temperature for today in Portsmouth is expected to be 17° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Portsmouth? 🌧️
Yes, there is a 91% chance of rain in Portsmouth today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Portsmouth? 🌀
The wind in Portsmouth is expected to blow at 54 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Portsmouth today?
Given the forecast of 17 °C with a 91% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Portsmouth today.
What is the sunrise and sunset time for Portsmouth today?
The sun is expected to rise at 06:40 and set at 19:18 in Portsmouth.
How accurate is the weather forecast Portsmouth today? ✅
Portsmouth weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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