Cornwall (Newquay)
October
Weather in Cornwall for October 2026
Your guide to Cornwall weather in October - trends and predictions
In general, the average temperature in Cornwall at the beginning of October is 15.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.7 °C by the end of October.
Cornwall experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 119 mm.
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Temperatures
Rain 🌧️
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6
Dry days
25
Rainy days
0
Snow days
15°/11°
Temperatures
30 km/h
Avg max wind
82 %
Avg humidity
Cornwall Weather October
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Temperatures trend during October in Cornwall
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October weather in Cornwall day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Light rain shower | 16° /12° | 0.6 mm | 4 | |
| 2 Oct. | Patchy rain possible | 17° /11° | 4.1 mm | 4 | |
| 3 Oct. | Light rain shower | 16° /11° | 0.7 mm | 4 | |
| 4 Oct. | Patchy rain possible | 14° /11° | 1.6 mm | 3 | |
| 5 Oct. |  Cloudy | 15° /11° | 2.8 mm | 3 | |
| 6 Oct. |  Partly cloudy | 16° /12° | 3 mm | 4 | |
| 7 Oct. |  Sunny | 17° /12° | 2 mm | 4 | |
| 8 Oct. | Sunny | 16° /12° | 3.8 mm | 4 | |
| 9 Oct. | Partly cloudy | 16° /12° | 0.5 mm | 4 | |
| 10 Oct. | Sunny | 16° /11° | 1.7 mm | 4 | |
| 11 Oct. | Light rain shower | 15° /11° | 4.6 mm | 4 | |
| 12 Oct. |  Light drizzle | 15° /11° | 3.9 mm | 4 | |
| 13 Oct. |  Overcast | 16° /10° | 4.6 mm | 4 | |
| 14 Oct. | Light rain shower | 15° /11° | 0.7 mm | 4 | |
| 15 Oct. | Patchy rain possible | 14° /10° | 2 mm | 3 | |
| 16 Oct. | Cloudy | 15° /10° | 2 mm | 4 | |
| 17 Oct. | Patchy rain possible | 15° /11° | 0 mm | 4 | |
| 18 Oct. | Light rain shower | 15° /12° | 8.1 mm | 3 | |
| 19 Oct. | Light rain shower | 15° /12° | 4.7 mm | 4 | |
| 20 Oct. | Light rain shower | 15° /12° | 12.3 mm | 3 | |
| 21 Oct. | Patchy rain possible | 14° /11° | 1.2 mm | 3 | |
| 22 Oct. | Patchy rain possible | 14° /10° | 3 mm | 3 | |
| 23 Oct. | Light rain shower | 14° /9° | 6.1 mm | 3 | |
| 24 Oct. | Light rain shower | 14° /9° | 4.2 mm | 3 | |
| 25 Oct. | Patchy rain possible | 12° /9° | 6.2 mm | 3 | |
| 26 Oct. | Light rain shower | 14° /9° | 5.5 mm | 3 | |
| 27 Oct. | Light rain shower | 14° /12° | 5 mm | 3 | |
| 28 Oct. |  Moderate or heavy rain with thunder | 14° /10° | 3.2 mm | 3 | |
| 29 Oct. | Light drizzle | 13° /10° | 5 mm | 3 | |
| 30 Oct. | Light rain shower | 14° /10° | 5.7 mm | 4 | |
| 31 Oct. | Light rain shower | 15° /11° | 4 mm | 4 | |
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Important Notice
Our weather forecast for Cornwall in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cornwall forecast closer to your planned date for the most up-to-date weather information.
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Cornwall in October - FAQ
What are the expected maximum and minimum temperatures in Cornwall during October?
During October, expect a variety of temperatures with highs around 15° and lows near 11°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cornwall during October?
Significant rainfall exceeding 119 mm is expected in Cornwall during October, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cornwall during October?
The average wind speed in Cornwall during October is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
Cornwall water temperatures in October
The average water temperature of the Atlantic Ocean near Cornwall in October is 14.6 °C. At the beginning of October temperatures are around 15.1 °C; by the end of the month they get a bit cooler and reach 14.2 °C.
- What is the water temperature in Cornwall in October?
- The average water temperature in Cornwall in October is 14.6 °C.
- Can you swim in Cornwall in October?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
October rainfall patterns in Cornwall
Explore the daily rainfall trends and prepare for Cornwalls October weather 💧
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