17°C
Porth, Newquay, Cornwall. UK
 


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Updated
21 May 2026 00:00
 
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Highest Temp
21.8 °C at
Heathrow 19.2 °C at
Merryfield
 
Lowest Temp
7.7 °C at
Fyvie Castle 8.8 °C at
Okehampton, East Okement Farm
 
Precipitation
12.2 mm at
Shap 3 mm at
Liscombe
 
Sunniest
8.7 hours at
Tiree 5.4 hours at
Hurn
 
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METRIC | IMPERIAL
Updated: 21/05/2026 @ 19:15   (0 sec ago)
Temperature Current Conditions   audio play Forecast / Rain Radar
Currently Outside: Colder 0.4°C than last hour.

17.3°C

---
High Today
19.6°C
15:34 		Low Today
13.1°C
04:53
Yest High
18.2°C
14:03 		Yest Low
11.7°C
05:23
Sta* High
24.2°C
2010 		Sta* Low
7.5°C
2014
* This Station's Records Since 5/2007
Sunny, Dry Sunny, Dry

Wind from SE Wind:  SE
8.0
Gusting to:
 4.0 mph
Current Rain Rain:
0.0 mm
Thursday night
Partly Cloudy
Partly Cloudy 		Friday
Mostly Cloudy, Showers
Mostly Cloudy, Showers 		Friday night
Mostly Cloudy, Scattered Showers
Mostly Cloudy, Scattered Showers
13.4°C 19.1°C 12.6°C
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.4°C since last hour. 11.3°C
Last Hour: Decreased 0.4°C since last hour. -0.4°C
High 11:51: 14.0°C
Low 04:53: 10.9°C
Record High: 21.7°C on
7-Sep-2023
Record Low: -34.9°C on
30-Apr-2022
Wetbulb: 14.0°C
Rain Today
rain graph
Today: 0.00 mm
Yesterday: 0.20 mm
Last 7 Days: 21.00 mm
May Rain: 47.20 mm
May to Date
  Avg:10 		30.70 mm
May to Date
  Diff from Avg:10 		Over 16.5 mm for the month 16.50 mm
May Avg: 44.10 mm
Diff from Avg: Over 3.1 mm for the month 3.10 mm
Season:1 467.0 mm
YTD
  Avg:11 		324.50 mm
YTD
  Diff from Avg:11 		Over 142.5 mm for the year 142.50 mm
Last Rain
Time/Date: 		20-May-2026
at 07:19
88 rain days in 2026
9 days in May
1 day since last rain
Current: SE  8.0 mph
1Hr Average: 10.9 mph
Wind Run: 144.02 miles
Wind Gust
Current: 4.0 mph
Today: 25.3 mph 16:41
Month: 40.0 mph 13-May
Year: 78.0 mph 8-Jan
Record Gust: 78.0 mph
8-Jan-2026
Sunlight:
15 hrs 44 min
47 sec
of Sunlight Today Which is
2 min 32 sec longer than
yesterday
 (Noon ?>) graph (Midnight

Waxing Crescent
Waxing Crescent, 4 days, 22 hours, 26 minutes in cycle
30%
Illuminated
Sun Spots6
 
Sunspots Yesterday
Sunspots
67
Humidity Barometer
Current: No Change 68%
Last Hour: No Change 0%
High 00:00: 87%
Low 15:22: 67%
Record High: 100%
13-May-2007
Record Low: 0%
8-Sep-2015
Current: No Change 1020.6 hPa
Last Hour: Falling slowly
High 08:18: 1023.7
Low 19:07: 1020.5
Record High: 1049.1 hPa
20-Jan-2020
Record Low: 954.6 hPa
2-Nov-2023
Heating Degree Days Snow3 Wind Chill Newquay Radiation
Today: 3.1
May: 122.9
2026 to Date: 1187.5
Cooling Degree Days
2026 to Date: 0.0
Today: 0.00 cm
Yesterday: 0.00 cm
May Snow: No Change 0.00 cm
May Avg: 0.00 cm
Diff from Avg: 0.00 cm
Season Total:2 0.00 cm
Snow Depth: 0.00 cm
0 snow days in May
0 snow days this season.2
Average 1st Snow:
0
Current: 17.1°C
Low 04:53: 13.1°C
Yesterday: 11.7°C
Record: -12.4°C
1-Mar-2018
radiation
11 uR/hr
19:27
21/05/2026

Radiation data supplied by GM-10
UV Summary/Forecast Current Solar Energy9
May-21

6.4 		May-22

6.2
216 W/m2
87%
W/m2 ⇒ SI 		High Today:
11:52
 1102  W/m2
Record:
1343 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 9.9°C
Sunrise: 05:24
Sunset: 21:09
Moonrise: 09:57
Moonset: 01:27
Full Moon: 31-May-2026
New Moon: 02:55 UTC
15-Jun-2026
Updated at Midnight
Current ET: 5.70 mm
7-Days Rain: 21.00 mm
7-Days ET: 24.10 mm
7-Day: 3.1 mm water in deficit of what evaporated in last 7 days. 3.1 mm
May: 23.6 mm water in deficit of what evaporated this month. 23.6 mm
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HIGHS: LOWS:
32.4°C
12-Aug-2022 		-4.5°C
3-Feb-2012
Daytime Records
  30.2°C°C
19-Jun-2017 		  -4.5°C°C
03-Feb-2012
Nitetime Records
  25.6°C°C
19-Jul-2022 		  -3.7°C°C
01-Mar-2018
ICN:3 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
# WIND - Sheltered position when wind blows from SE through S to SW.   1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Sun Spots - Data from WDC-SILSO, Royal Observatory of Belgium, Brussels.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 21 of just the month of May for this station since 2008.   11 Historical average rain this season to day 21 of May for this station since 2008.
 Aerisweather Weather Forecast  -   Outlook Thursday night & Friday
Thursday night
Partly Cloudy
Partly Cloudy
13.4°C 		Aerisweather forecast: Partly Cloudy. Low: 13.4°C. Wind SE 15->27 mph.
Local station forecast: Increasing clouds and warmer. precipitation possible within 12 to 24 hrs. windy. 		Friday
Mostly Cloudy, Showers
Mostly Cloudy, Showers
19.1°C 		Aerisweather forecast: Mostly Cloudy, Showers. Chance of precipitation 10%. High: 19.1°C. Wind S 7->14 mph. UV Index 5.
 Aerisweather Short Term Weather Forecast
Friday night
Mostly Cloudy, Scattered Showers
Mostly Cloudy, Scattered Showers 		Saturday
Partly Cloudy
Partly Cloudy 		Saturday night
Mostly Clear
Mostly Clear 		Sunday
Mostly Sunny
Mostly Sunny 		Sunday night
Mostly Clear
Mostly Clear 		Monday
Sunny
Sunny 		Monday night
Mostly Clear
Mostly Clear
12.6°C 16.7°C 10.8°C 24.1°C 16.7°C 25.9°C 17.0°C
Animated icons courtesy of www.meteotreviglio.com.
  Solar PV Generation - ONLINE    audio play Newquay Air Quality PurpleAir [Particulate] Newquay Air Quality EGG [ NO2 / CO ]
solar pv

Air Quality Index



74
 
Moderate
Wind : SE
21-May-2026 18:56 BST
Click for Newquay PurpleAir Page
Click for PurpleAir Website
Last Update 21 May 2026 18:26   GMT
Nitrogen
Dioxide (NO2)		87.81 ppbCarbon
Monoxide (CO)		0 ppm
Sensor: Wicked Devices, Air Quality Egg
Air quality to be taken as an indication only
Newquay RNLI - Recent Launches Newquay Tides Search and Rescue Helicopters
RNLI- Newquay Station

Todays Tides

Search and Rescue Helicopters

Last Update21 May 2026 18:27:02 GMT
MMSI111232511111232526111232513
LATITUDE - - -
LONGITUDE - - -
SPEED / HEADING 0 kts / 0° 0 kts / 0° 0 kts / 0°
MAP --- --- ---
Message No Data No Data No Data
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 Weather Definitions, Weather and Earth Facts  
Fact 3 - DEW POINT
Dew point is the temperature to which air must be cooled for saturation (100% relative humidity) to occur. The dew point is an important measurement used to predict the formation of dew, frost, and fog. If dew point and temperature are close together in the late afternoon when the air begins to turn colder, fog is likely during the night. Dew point is also a good indicator of the air's actual water vapour content, unlike relative humidity, which takes the air's temperature into account. High dew point indicates high vapour content; low dew point indicates low vapour content. In addition a high dew point indicates a better chance of rain and severe thunderstorms. You can even use dew point to predict the minimum overnight temperature. Provided no fronts or other weather pattern changes are expected overnight, the afternoon's dew point gives you an idea of what minimum temperature to expect overnight.

Todays high dew point of 14°C surpassed the yearly high of 13.5°C set on 09/05/2026 by 0.5°
Todays high barometer of 1023.7 hPa surpassed the monthly high of 1022.3 hPa set on 20/05/2026 by 1.4 hPa