Futures trim gains; data, Greece eyed

U.S. stock index futures pointed to a higher open on Tuesday, following gains in overseas markets, as investors digested domestic economic reports.

Developments in Greece remained in focus, with hopes for a potential deal to avert a debt default underpinning positive sentiment in global markets. Japan's blue-chip Nikkei hit a 15-year high and stocks in Europe traded broadly higher in early London trade.

In the United States, any further signs that the economic recovery is picking up pace after a tepid first quarter could reinforce expectations for a September rise in U.S. interest rates. Data on Monday showed existing home sales jumped 5.1 percent in May to a 5-1/2 year high.

Federal Reserve Board Governor Jerome Powell said at a Wall Street Journal breakfast that he sees conditions for liftoff as soon as September, followed by a second hike in December, Dow Jones reported. He also said he sees growth around 2 percent this year, with positive signs from the pickup in wages and labor force participation.

A man waves a Greek national flag while standing at the premises of the parliament building during a rally in front of the parliament building calling on the government to clinch a deal with its international creditors and secure Greece's future in the Eurozone, in Athens, Greece, June 22, 2015.
Yiannis Liakos | Intimenews | Reuters
A man waves a Greek national flag while standing at the premises of the parliament building during a rally in front of the parliament building calling on the government to clinch a deal with its international creditors and secure Greece's future in the Eurozone, in Athens, Greece, June 22, 2015.

U.S. durable goods data for May showed a decline of 1.8 percent, a greater decline than expected. Ex-transportation, the figure rose 0.5 percent. The core figure of non-defense capital goods orders excluding aircraft rose 0.4 percent, reversing a 0.3 percent decline in April.

The FHFA Housing Price Index showed and increase of 0.3 percent in April. New home sales data comes at 10:00 a.m. ET.

Read More Durables, housing data on tap but Greece takes center stage

U.S. stocks closed higher on Monday, with the Nasdaq Composite setting a new closing and intraday record high as investors cheered signs of progress in talks to resolve the Greek crisis.

Stock index futures held higher, with the Dow Jones industrial average futures up about 10 points.

The presentation of new budget proposals by the anti-austerity Greek government has raised hopes that Athens will be able to secure a cash-for-reforms deal with its international creditors. A deal is seen a key to averting a default that could end with Greece's exit from the euro zone with potentially destabilizing ramifications for global markets.

Read More Clock ticks for Greece after 'major' step forward

"Given the scale and breadth of the budgetary concessions Greece makes in its latest offer, we doubt Prime Minister (Alexis) Tsipras would be willing or able to top this up with additional consolidation measures, posing the risk of renewed stand-off in case of an unfavourable assessment by the Institutions," analysts at Daiwa Capital Markets said in a note.

The European Central Bank on Tuesday lifted the ceiling on emergency liquidity to Greek banks for a second time in two days, Reuters cited a banking source as saying.

The U.S. Treasury auctions $26 billion in 2-year notes at 1 p.m. Treasury yields extended gains, with the 10-year yield near 2.41 percent, while the dollar rose nearly 1 percent against major world currencies. The euro fell to trade below $1.12, while the yen approached 124 yen against the dollar.

In corporate news:

BlackBerry–The handset maker missed estimates on both the top and bottom lines, but its tech and software licensing revenue jumped from a year earlier and its adjusted profit margins were also above expectations.

Darden Restaurants–The Olive Garden parent reported adjusted quarterly profit of $1.08 per share, 15 cents above estimates, with revenue also beating. Darden also said it would pursue a spin-off of its real estate assets into a REIT, followed by a leaseback of the properties involved.

Read MoreEarly movers: BBRY, DRI, T, TAP, SONC, ORCL, FB & more

AT&T–The stock was upgraded to "overweight" from "neutral" at Barclays, which cited the potential positive effects of AT&T's purchase of DirecTV.

CNBC's Peter Schacknow contributed to this report.