Forecasters said “very warm temperatures” were expected from the weekend onwards, with highs in the 20s and nearing 30C, with southern and eastern parts expected to see the best of the “good and dry weather”. But as rumors swirl of possible July heat, Sky News weather producer Christopher England warned there was “significant uncertainty” about how hot it could get and that it was “not currently possible” to predict temperature accuracy more than a week in advance. . Find out the weather forecast for your area He said: “Forecasts are becoming increasingly uncertain over time, with wide variations, so although above-average temperatures look likely next week, especially in the south, it is not currently possible to say how hot will it actually be and how long will there be heat waves last. In its long-term forecast, the Met Office says high pressure will build from the southwest on Friday and “come to define this period”. Temperatures next week could be “near or above average, to hot in the south.” Read more: The hottest day of the year so far The second fortnight of July is “likely to continue with generally fine and calm weather”, which may spread more widely across the UK, the Met Office said. “Temperatures will be near or above normal, increasing throughout July. We may see some very warm or hot temperatures, especially in the south.”