Weather St Mary's Airport

Last updated 11:03

Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed

Sunny Intervals

19°C 66°F 18°C 64°F East South Easterly
11km/h 7mph

Sunny Intervals

19°C 66°F 18°C 64°F North North Easterly
11km/h 7mph


20°C 68°F 18°C 64°F Easterly
13km/h 8mph

Light Cloud

20°C 68°F 18°C 64°F Northerly
13km/h 8mph

Light Cloud

19°C 66°F 17°C 63°F Northerly
24km/h 15mph



Sunrise 05:42 Sunset 21:20
Weather forecast details for Wednesday 23 July. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1300 hours1600 hours1900 hours2200 hours0100 hours
0400 hours  
Weather Conditions Sunny Sunny Intervals Sunny Clear Sky Clear Sky Clear Sky   
Temperature (°C/°F) 18°C 64°F 18°C 64°F 18°C 64°F 18°C 64°F 18°C 64°F 18°C 64°F   
Wind Speed (mph/km/h) 11km/h 7mph East South Easterly 14km/h 9mph East South Easterly 8km/h 5mph North Easterly 16km/h 10mph Northerly 18km/h 11mph North North Easterly 16km/h 10mph Northerly   
Wind Direction ESE ESE NE N NNE N   
Humidity 91% 92% 94% 91% 94% 91%   
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G G G G   
Pressure (Millibars) 1019 1019 1018 1018 1017 1016   

South West England

Forecast Summary

  • Today

    Any patchy cloud and hill fog will soon clear to leave another mostly fine day and it will become very warm or locally hot. Isolated heavy and thundery showers are likely to move westwards later in the afternoon.

  • Tonight

    Any isolated heavy and thundery showers largely clearing during the evening, but further showers possible in far southwest later. Otherwise dry and fine with clear periods, especially in the east.

Environmental Summary

UV: 6

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Moderate

UK Range: Low to Very High

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BBC Spotlight

BBC Spotlight Forecast Last updated 08:30, Wednesday 23 Jul Forecast updated Monday to Friday only


UK Forecast Last updated 07:55, Wednesday 23 Jul


Observed at 10:00, Wednesday 23 July

Sunny Intervals

19°C 66°F

14km/h 9mph North Easterly

Humidity: 92%

Visibility: Good

Pressure: 1020mb, Falling

Observation station: Scilly St Marys

(Lat: 49.913 | Lon: -6.301)

BBC Weather in association with the Met Office

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