TheRoyal Borough's public health team are urging people to watch out for older and more vulnerable residents during the hot conditions.
A level two heatwave alert was issued by the Met Office today as temperatures look to soar over the next few days.
Cllr David Coppinger, cabinet member for adult services and health, said: "After the dreadful weather we've had this year it's wonderful to see the sun - but we all need to take sensible steps to avoid problems that, in some cases, could be life-threatening such as heat stroke."
Advice includes wearing high-protection sun cream and looking out for older or vulnerable family members, friends and neighbours.
Berkshire strategic director of public health, Dr Lise Llewellyn, said: "Please drink lots of water or other fluids in this hot weather.
"Also make sure to check on others in your community who may be at greater risk."
Members of the Muslim community who may be fasting during Ramadan are also being urged to balance food and fluid intake between fasts.
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