On Friday the pound had its biggest one-day fall against the dollar, at one stage sinking as low as $1.3236.
George Osborne will issue a statement before the start of trading in the UK in a bid to calm the markets.
The Chancellor has not spoken publicly since the Leave campaign won Thursday`s referendum.
Authorities in Asia have been taking action to stabilise financial markets.
After an emergency meeting, Japan`s finance minister Taro Aso said that he has been instructed by Prime Minister Shinzo Abe to take steps to stabilise the currency markets if needed. "Risks and uncertainty remain in financial markets," Mr Abe said.
The rising value of the yen is a concern to the Japanese government, as it makes the nation`s exports less competitive.
After plunging almost 8% on Friday, Japan`s benchmark share index, the Nikkei 225, added 1.3% on Monday.
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