The weather outlook in Plymouth in Devon is always changing, so it’s important to stay up to date on the latest forecast. Here’s the info you need to know for today and tomorrow. A 5-day forecast is also included.
Weather Forecast Today - Plymouth - Friday 22nd September 2023
There will be light rain. Peak temperature should be approximately 16°C (but it will feel like 13°C due to the wind chill factor).
There is a good chance of rain today (81% to be precise). If you are planning on spending any time outside make sure you take your umbrella with you. Humidity will be approximately 66%.
The UV Index is 4 (moderate). Suncream is necessary. Stay in the shade at midday when the sun is strongest
Visibility today will be very good. From a good position, you should be able to see places as far as 20 to 40 km away (12.4 to 24.9 miles). The wind speed at midday will be around 13 mph (moderate breeze). The wind direction will be north west.
Weather Forecast Tonight - Plymouth - Friday 22nd September 2023
It is going to be clear weather in Plymouth tonight. The minimum temperature at night is going to be 9°C (but it is going to feel like 8°C).
There is a reasonable chance of rain tonight (13% to be precise). Humidity will be around 80%.
The wind speed this evening will be approximately 7 mph (light breeze), blowing north west.
Weather Forecast Tomorrow - Plymouth - Saturday 23rd September 2023
Cloudy weather is forecast for Plymouth tomorrow. The highest temperature in the daytime is forecast to be 16°C (it will feel like 14 °C).
There is a slight chance of it pouring down tomorrow (roughly a 4% likelihood). Expect humidity of approximately 59%.
The UV Index is 3 (moderate). Suncream is necessary. Stay in the shade at midday when the sun is strongest
Visibility tomorrow will be very good. From a good position, you should be able to see places as far as 20 to 40 km away (12.4 to 24.9 miles).
The wind speed tomorrow at noon is forecast to be 9 mph (gentle breeze). The wind direction will be south south west.
5-Day Forecast For Plymouth
A 5-day weather forecast for Plymouth is shown in the table below.
Date | Weather Type | Day Max Temp (°C) | Night Min Temp (°C) | Chance of Rain (%) | Wind Speed (mph) | Max UV |
---|---|---|---|---|---|---|
Friday 22nd September - Day | Light Rain | 16 | - | 81 | 13 | 4 |
Friday 22nd September - Night | Clear Night | - | 9 | 13 | 7 | - |
Saturday 23rd September - Day | Cloudy | 16 | - | 4 | 9 | 3 |
Saturday 23rd September - Night | Cloudy | - | 15 | 6 | 18 | - |
Sunday 24th September - Day | Light Rain | 18 | - | 70 | 22 | 3 |
Sunday 24th September - Night | Light Rain | - | 15 | 84 | 16 | - |
Monday 25th September - Day | Light Rain | 18 | - | 30 | 16 | 4 |
Monday 25th September - Night | Partly Cloudy | - | 15 | 36 | 13 | - |
Tuesday 26th September - Day | Heavy Rain | 17 | - | 53 | 20 | 3 |
Tuesday 26th September - Night | Light Rain | - | 15 | 55 | 16 | - |
Forecast - Location Details
The weather forecast for Plymouth is based on data provided by the Met Office for the location shown on the map below. The weather in other areas of Plymouth may vary slightly.

Sunrise and Sunset
Sunrise time today (Friday, September 22, 2023) in Plymouth is 7:02 am. Sunset is at 7:16 pm.
The day length today is 12 hours and 13 minutes.
Sunrise time tomorrow (Saturday, September 23, 2023) in Plymouth is 7:04 am. Sunset time is 7:13 pm.
The day length tomorrow is 12 hours and 9 minutes.
Weather in Other Areas in the South West
We also offer weather conditions and forecasts for other areas in the South West region of the United Kingdom (UK):
Click here to see the current outlook in other areas of England and the UK.