Cornwall Weather Forecast
Cornwall weather: 53°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Cornwall is a county in England. Cornwall is a county or metropolitan area in the United Kingdom. It has a population of about 570.000.
Right now it is 53°F (11°C) in Cornwall with clear sky. It feels like 51°F. Today runs from 49°F to 67°F. Chance of precipitation is 84%. Sightseeing conditions score 7.1/10 - good conditions.
The best time to visit Cornwall is May, June, July and August. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 69°F, while January is the coldest with lows near 39°F.
The closest major airport is London Heathrow Airport (LHR), about 217 mi away. Nearby highlights include Stonehenge, Stonehenge, Avebury and Associated Sites, Snowdonia National Park and Mont-Saint-Michel and its Bay.
In plain terms. Today is about average for August. The forecast high of 67°F is in line with the 67°F typical for this month. The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Cornwall today at 8.7/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Cornwall
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Cornwall right now
Source: Open-Meteo. Updated 6:48 PM, Aug 22 local time.
See the Cornwall forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Cornwall
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 67° / 49° | 84% | 6 mph | 4 |
| Sun, Aug 23 | ⛅ Partly cloudy | 70° / 52° | 2% | 10 mph | 5 |
| Mon, Aug 24 | 🌦️ Light drizzle | 71° / 57° | 25% · 0,0 in | 22 mph | 3 |
| Tue, Aug 25 | 🌦️ Light drizzle | 73° / 62° | 47% · 0,0 in | 12 mph | 5 |
| Wed, Aug 26 | 🌧️ Showers | 72° / 62° | 68% · 0,5 in | 20 mph | 5 |
| Thu, Aug 27 | 🌦️ Light drizzle | 69° / 60° | 94% · 0,0 in | 14 mph | 4 |
| Fri, Aug 28 | 🌦️ Drizzle | 67° / 55° | 89% · 0,2 in | 13 mph | 5 |
| Sat, Aug 29 | 🌦️ Light showers | 64° / 60° | 72% · 0,4 in | 20 mph | 5 |
| Sun, Aug 30 | 🌧️ Heavy drizzle | 64° / 59° | 82% · 0,5 in | 10 mph | 4 |
| Mon, Aug 31 | 🌦️ Light drizzle | 68° / 60° | 80% · 0,2 in | 9 mph | 5 |
| Tue, Sep 1 | 🌦️ Light drizzle | 64° / 56° | 48% · 0,2 in | 7 mph | 4 |
| Wed, Sep 2 | 🌦️ Light drizzle | 67° / 53° | 59% · 0,1 in | 5 mph | 4 |
| Thu, Sep 3 | 🌦️ Light drizzle | 67° / 55° | 60% · 0,1 in | 14 mph | 4 |
| Fri, Sep 4 | 🌦️ Light showers | 65° / 58° | 48% · 0,6 in | 15 mph | 5 |
| Sat, Sep 5 | ☁️ Overcast | 65° / 52° | — | 5 mph | 1 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | — | -- | 5 |
Climate in Cornwall month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 47° | 39° | 6,5 in | ★★☆☆☆ |
| February | 51° | 43° | 6,6 in | ★★☆☆☆ |
| March | 52° | 42° | 4,2 in | ★★★☆☆ |
| April | 56° | 45° | 4,1 in | ★★★☆☆ |
| May | 61° | 50° | 2,9 in | ★★★★☆ |
| June | 64° | 55° | 3,0 in | ★★★★☆ |
| July | 69° | 57° | 2,4 in | ★★★★☆ |
| August | 67° | 57° | 2,4 in | ★★★★☆ |
| September | 64° | 53° | 5,2 in | ★★★★☆ |
| October | 59° | 51° | 4,6 in | ★★★☆☆ |
| November | 53° | 46° | 6,0 in | ★★★☆☆ |
| December | 51° | 44° | 5,7 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for Cornwall
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Cornwall
Pollen today
Pollen is modelled for Europe only; other regions show no values.
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Cornwall
Go in May, June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Weather by city in Cornwall
1 cities mapped in this atlas
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 53°F (11°C) with clear sky. Humidity is 85% and wind is 3 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 6:48 PM.
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 22, 2026 at 6:48 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
