Cornwall Weather Forecast
Cornwall weather: 59°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Cornwall?
No - rain is unlikely in Cornwall today.
A 14% chance means most of the area stays dry; a passing shower is possible but short.
Over the next 7 days, about 1,4 in of precipitation is forecast, with the wettest days falling on Tue, Wed, Thu, Fri, Sat and Sun.
The next 7 days carry about 2.5 times a normal week's rain for August (1,4 in against 0,6 in).
16-day forecast for Cornwall
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Aug 24 | ☁️ Overcast | 72° / 55° | 14% | 17 mph | 5 |
| Tue, Aug 25 | 🌧️ Rain | 69° / 61° | 54% · 0,3 in | 10 mph | 2 |
| Wed, Aug 26 | 🌦️ Drizzle | 71° / 61° | 83% · 0,1 in | 15 mph | 6 |
| Thu, Aug 27 | 🌦️ Light rain | 71° / 61° | 86% · 0,3 in | 16 mph | 6 |
| Fri, Aug 28 | 🌦️ Drizzle | 68° / 60° | 89% · 0,1 in | 17 mph | 6 |
| Sat, Aug 29 | 🌦️ Light rain | 64° / 60° | 75% · 0,4 in | 14 mph | 3 |
| Sun, Aug 30 | 🌦️ Drizzle | 65° / 60° | 93% · 0,2 in | 15 mph | 6 |
| Mon, Aug 31 | 🌦️ Light drizzle | 66° / 59° | 53% · 0,1 in | 16 mph | 6 |
| Tue, Sep 1 | 🌦️ Light drizzle | 64° / 58° | 62% · 0,1 in | 11 mph | 5 |
| Wed, Sep 2 | 🌦️ Light drizzle | 67° / 57° | 55% · 0,1 in | 14 mph | 3 |
| Thu, Sep 3 | 🌦️ Light drizzle | 71° / 63° | 44% · 0,0 in | 14 mph | 4 |
| Fri, Sep 4 | 🌦️ Light drizzle | 70° / 62° | 37% · 0,0 in | 11 mph | 4 |
| Sat, Sep 5 | 🌦️ Light drizzle | 73° / 59° | 36% · 0,0 in | 10 mph | 5 |
| Sun, Sep 6 | 🌦️ Light drizzle | 66° / 56° | 46% · 0,0 in | 8 mph | 5 |
| Mon, Sep 7 | ☀️ Clear sky | -- / -- | — | -- | 4 |
| Tue, Sep 8 | ☀️ Clear sky | -- / -- | — | -- | — |
What this means for Cornwall
Today is slightly warmer than average for August. The forecast high of 72°F is 5°F above the 67°F typical for this month.
A 14% chance means most of the area stays dry; a passing shower is possible but short.
Gusts to 36 mph will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 52°F.
What to pack, what to skip
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 36 mph.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Cornwall forecast by time range
Cornwall weather - more answers
Explore Cornwall
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Cornwall?
Cornwall is a county in England. Its coordinates are 50.266, -5.0527. It lies in Europe.
What is the weather like in Cornwall right now?
It is currently 59°F (15°C) with overcast. Humidity is 83% and wind is 7 mph.
When is the best time to visit Cornwall?
May, June, July and August offer the most comfortable conditions in Cornwall, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Cornwall in?
Cornwall observes Europe/London (UTC+01:00). The local time is 6:50 AM.
How many people live in Cornwall?
Cornwall has a population of approximately 570.000.
What is the nearest airport to Cornwall?
The closest airports are London Heathrow Airport (LHR), 217 mi away, London Gatwick Airport (LGW), 222 mi away and Dublin Airport (DUB), 224 mi away.
What are the top things to do in Cornwall?
Popular options include Stonehenge, Stonehenge, Avebury and Associated Sites, Snowdonia National Park, Mont-Saint-Michel and its Bay, Mont-Saint-Michel and Big Ben and the Houses of Parliament.
What places are in Cornwall?
Cornwall covers 1 places in this atlas, including St Ives.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (uk-regions) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 6:50 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
