Those at Wimbledon today will be glad of the change of airmass, on court and in the stands. However it is still reassuring to know that the roofs on Centre Court and No.1 Court provide climate stabilisation, which regulates the air temperature and humidity, as well as keeping off any rain. It would be no fun for those in the queue if the muggy nights and hot and humid days were still with us.

Temperatures for the start of the week (UKV on Tuesday)
There is a fresher feel now for London and SE Britain after a very warm weekend and finally, the heatwave conditions are abating. The top temperature on Sunday was 27.4C at Neatishead on the Norfolk Broads, down ten degrees from the fierce record-breaking heat of Thursday 25th when the UK June record was broken (again) with 37.3C at Santon Downham in Suffolk.
The test match at Trent Bridge has had incredible weather. Dry and sunny but very hot. Spectators and players have kept their hats on as England play New Zealand in the third test. Maybe the heat got to some with the “crazy cricket” antics on Sunday but with a free day’s play on Monday, there is a different crowd in Nottingham today.

F1 Austrian Grand prix - Heat Hazard
Formula 1 drivers were able to use cooling vests in Austria, as the European heatwave shifted eastwards over Germany, the Baltic States and Czech republic at the weekend.
The FIA’s Formula 1 race director Rui Marques declared a “Heat Hazard” situation for the Austrian GP weekend. This is only the third time it has happened, following Singapore and Austin and began after a review of events in Qatar 2023. Not every driver or team is convinced about the benefits of the cooling vests, though.
As the F1 crowd move on, the heat continues for another day with the risk of thunderstorms and heavy rain on Tuesday in Austria's Red Bull Ring
The hydration breaks have caused some controversy, as a fixed feature which looks strange in comfortable conditions, or even pouring rain. They will show their worth as we move into the "Round of 32".
NWS "Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest - Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week."
Matches in the next two days - Boston and Houston on Monday 29th. Dallas and New Jersey on Tuesday and late night Monterrey, Mexico.
Boston will be at 82F, 28C by day on Monday, dry and sunny. Any lingering Scotland fans should head home as temperatures are forecast to reach 103F, 39C by Thursday. Boston is included in the
"EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH FRIDAY EVENING" later this week with "Dangerously hot conditions possible." NWS
Houston is just hot as you would expect, but the stadium has air conditioning. Arlington Dallas also has air-con for Tuesday which will be needed with daytime temperatures of 96F, 35C but fine and sunny. New Jersey/New York will be under an Extreme Heat watch from midweek onwards with tempereatures of 101F/38C
"IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities." NWS
In northeast Mexico temperatures will be 33C by day but down to 20C overnight, so not as quite as hot for the late kickoff.
The Eastbourne Open men's final had to be postponed due to rain on Saturday. Play was rescheduled for Sunday morning between Humbert and Bergs, with Bergs winning. The Ladies' final took place in the afternoon with Keys beating Maria for her third title victory in the women’s singles. It is a quick turnaround to be ready for Wimbledon.

Monday afternoon Netweather Radar showing increasing cloud cover from the west, sunny with 22/23C further east.
There is more cloud arriving from the west this afternoon over the Wimbledon courts. Temperatures have been at a much more civilised 21C, although the sun is still strong with high UV levels. It doesn’t matter what the air temperature is, and a thin veil of cloud won’t make much difference at all. Temperatures should reach 23C today but there isn’t the heat or the humidity of last week, just a light westerly breeze.
For Tuesday, again don’t be fooled by the cloud cover. Many people end up burnt, saying “but it was cloudy”. There might be some early rain as wet weather passes over Kent and East Sussex but it is before play starts on the outside courts. Temperatures around 22C on Tuesday but feeling warmer later on Wednesday, up to 25C. By late evening, there could be a few showers heading towards Greater London but only a very low risk that one will catch SW19. More fine dry weather with sunshine for Thursday (there could be a little patchy rain early morning from a trailing weather front but that soon clears) and Friday as temperatures push upwards to 27C. A fine week but heating up.
Keep an eye on the Netweather radar if showers are a risk. Wimbledon forecast
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