Some traders had bet he would cut the rate to 2.75 per cent.
Wheeler removed his reference to the New Zealand dollar being unjustifiably and unsustainably high - key criteria for the bank to intervene in foreign exchange markets - but said further depreciation in the kiwi was needed to support the country's exporters.
"The New Zealand dollar held onto its post RBNZ gains," Kathy Lien, managing director of FX strategy for BK Asset Management in New York said in a note.
"Ultimately we expect NZD/USD to trade lower because the central bank could still lower rates."
Traders are pricing in a 94 per cent chance the central bank will reduce the benchmark again at its next meeting in September, according to the overnight interest swap curve.
In New Zealand today, trade data for June is published at 10:45am. The country's trade surplus is expected to shrink to $100 million in June, from $350 million in May reflecting weaker dairy exports, according to a Reuters poll of economists.
The Reserve Bank is scheduled to release data on high debt mortgage lending at 3pm.
Also this afternoon, a gauge of Chinese manufacturing activity for July will be watched for signs of how Asia's largest economy is tracking.
The Caixin performance of manufacturing index was formerly known as the HSBC PMI.
The New Zealand dollar was little changed at 89.82 Australian cents from 89.85 cents yesterday, slipped to 81.83 yen from 82.20 yen, and fell to 60.11 euro cents from 60.58 cents.
The local currency rose to 42.58 British pence from 42.42 pence yesterday after UK retail sales for June missed expectations.