The 2008 WNBA season was their tenth season and their sixth in Connecticut. The Sun successfully advanced to the WNBA Playoffs for the sixth consecutive season. Lindsay Whalen was a key contributor to the club, averaging 14.0 points per game, 5.6 rebounds per game, and 5.4 assists per game.
The following player was lost in the Atlanta Dream expansion draft:
|- style="text-align:center; background:#fbb;" | 1 || May 1 || @ Minnesota || || L 57-68 || Gardin (8) || Gahan, Gardin, Holt (4) || Carey, Hairston, Turner (2) || Target Center <br /> 1,155 || 0âÂÂ1 |- style="text-align:center; background:#bfb;" | 2 || May 4 || Phoenix || || W 94-66 || Holt (15) || Gahan (10) || Swanier, Berglin (3) || Mohegan Sun Arena <br /> 6,252 || 1-1 |- style="text-align:center; background:#bfb;" | 3 || May 9 || Houston || || W 88-80 || Whalen (18) || Anderson (7) || Whalen (8) || Mohegan Sun Arena <br /> 4,411 || 2âÂÂ1 |-
|- style="text-align:center; background:#bfb;" | 1 || May 17 || Atlanta || CSS || W 100-67 || Whitmore (22) || Whitmore (10) || Whalen (8) || Mohegan Sun Arena <br /> 7,420 || 1âÂÂ0 |- style="text-align:center; background:#bfb;" | 2 || May 18 || @ New York || WCTX<br />NBA TV|| W 77-63 || Whitmore (17) || Whalen, Raymond (6) || Whalen (8) || Madison Square Garden <br /> 10,460 || 2âÂÂ0 |- style="text-align:center; background:#bfb;" | 3 || May 24 || Sacramento || || W 87-64 || Whalen (21) || Holt (7) || Whalen, Whitmore (5) || Mohegan Sun Arena <br /> 6,402 || 3âÂÂ0 |- style="text-align:center; background:#fbb;" | 4 || May 27 || Indiana || ESPN2 || L 46-75 || Whalen (11) || Jones (7) || Whalen (5) || Mohegan Sun Arena <br /> 5,245 || 3âÂÂ1 |- style="text-align:center; background:#bfb;" | 5 || May 30 || New York || MSG<br />NBA TV || W 89-84 || Whitmore (18) || Whalen (6) || Whalen (7) || Mohegan Sun Arena <br /> 7,052 || 4âÂÂ1 |-
|- style="text-align:center; background:#bfb;" | 6 || June 1 || @ Chicago || || W 75-73 || Whalen, Whitmore (19) || Whalen (7) || Whalen (7) || UIC Pavilion <br /> 2,276 || 5âÂÂ1 |- style="text-align:center; background:#bfb;" | 7 || June 6 || Minnesota || || W 78-77 || Jones (25) || Whalen (9) || Anderson, Gardin (5) || Mohegan Sun Arena <br /> 6,327 || 6âÂÂ1 |- style="text-align:center; background:#bfb;" | 8 || June 8 || Washington || WCTX<br />NBA TV || W 87-79 || Jones (16) || Whalen (7) || Whalen (7) || Mohegan Sun Arena <br /> 7,174 || 7âÂÂ1 |- style="text-align:center; background:#bfb;" | 9 || June 10 || @ Minnesota || ESPN2 || W 75-66 || Jones (18) || Whitmore (12) || Whalen (6) || Target Center <br /> 7,186 || 8âÂÂ1 |- style="text-align:center; background:#fbb;" | 10 || June 13 || @ Los Angeles || || L 93-98 (OT) || Whalen (20) || Whalen (7) || Jones (3) || STAPLES Center <br /> 8,702 || 8âÂÂ2 |- style="text-align:center; background:#bfb;" | 11 || June 16 || @ Seattle || WCTX<br />NBA TV || W 74-67 || Jones (15) || Raymond (9) || Whitmore (4) || KeyArena <br /> 6,872 || 9âÂÂ2 |- style="text-align:center; background:#fbb;" | 12 || June 18 || @ Phoenix || || L 81-102 || Jones (18) || Turner (5) || Whalen (5) || US Airways Center <br /> 4,478 || 9âÂÂ3 |- style="text-align:center; background:#bfb;" | 13 || June 20 || @ Sacramento || || W 72-56 || Jones (14) || Whalen, Anderson (6) || Whalen (5) || ARCO Arena <br /> 5,895 || 10âÂÂ3 |- style="text-align:center; background:#bfb;" | 14 || June 24 || Detroit || WCTX<br />NBA TV || W 85-68 || Jones (20) || Holt (8) || Whalen (6) || Mohegan Sun Arena <br /> 7,501 || 11âÂÂ3 |- style="text-align:center; background:#fbb;" | 15 || June 26 || @ Detroit || FSN-D || L 61-70 || Jones (14) || Jones (7) || Whalen (4) || Mohegan Sun Arena <br /> 7,501 || 11âÂÂ4 |- style="text-align:center; background:#bfb;" | 16 || June 27 || Atlanta || || W 109-101 (OT) || Jones (30) || Jones, Whalen (10) || Holt (8) || Mohegan Sun Arena <br /> 7,612 || 12âÂÂ4 |- style="text-align:center; background:#fbb;" | 17 || June 29 || Phoenix || || L 80-87 || Jones (16) || Jones (9) || Whalen (8) || Mohegan Sun Arena <br /> 9,518 (sellout) || 12âÂÂ5 |-
|- style="text-align:center; background:#bfb;" | 18 || July 1 || Houston || || W 78-68 || Jones (15) || Turner (9) || Whalen (9) || Mohegan Sun Arena <br /> 6,357 || 13âÂÂ5 |- style="text-align:center; background:#fbb;" | 19 || July 5 || @ Indiana || FSN-I<br />NBA TV || L 74-81 || Jones (20) || Gardin (9) || Jones, Whalen (3) || Conseco Fieldhouse <br /> 6,329 || 13âÂÂ6 |- style="text-align:center; background:#fbb;" | 20 || July 8 || @ Detroit || FSN-D || L 82-88 || Jones (21) || Whalen (7) || Jones, Whalen (8) || Palace of Auburn Hills <br /> 7,623 || 13âÂÂ7 |- style="text-align:center; background:#fbb;" | 21 || July 13 || @ Washington || ABC || L 64-69 || Whalen (33) || Whalen (8) || Jones, Whalen (6) || Verizon Center <br /> 9,610 || 13âÂÂ8 |- style="text-align:center; background:#fbb;" | 22 || July 15 || New York || ESPN2 || L 71-77 || Whalen (19) || Jones (9) || Jones (5) || Mohegan Sun Arena <br /> 8,244 || 13âÂÂ9 |- style="text-align:center; background:#fbb;" | 23 || July 18 || @ Chicago || WCTX<br />NBA TV || L 65-73 || Jones (18) || Gruda (11) || Jones, Swanier (3) || UIC Pavilion <br /> 3,379 || 13âÂÂ10 |- style="text-align:center; background:#bfb;" | 24 || July 20 || Chicago || || W 74-67 || Jones (23) || Jones (10) || Whalen (6) || Mohegan Sun Arena <br /> 7,367 || 14âÂÂ10 |- style="text-align:center; background:#bfb;" | 25 || July 24 || Los Angeles || WCTX<br />NBA TV || W 87-61 || Whalen (22) || Jones (8) || Whalen (4) || Mohegan Sun Arena <br /> 9,518 (sellout) || 15âÂÂ10 |- style="text-align:center; background:#bfb;" | 26 || July 27 || @ Washington || CSN-MA<br />NBA TV || W 82-60 || Jones (27) || Whalen (8) || Whalen (7) || Verizon Center <br /> 9,357 || 16âÂÂ10 |-
|- | colspan="10" style="text-align:center; vertical-align:middle;"| Summer Olympic break |- style="text-align:center; background:#bfb;" | 27 || August 28 || @ Indiana || FSN-I<br />NBA TV || W 84-58 || Whitmore (15) || Turner, Raymond (5) || Gruda, Jones (4) || Conseco Fieldhouse <br /> 6,435 || 17âÂÂ10 |- style="text-align:center; background:#bfb;" | 28 || August 29 || @ Atlanta || || W 98-72 || Whitmore (27) || Whitmore (6) || Whalen (8) || Philips Arena <br /> 11,442 (sellout) || 18âÂÂ10 |- style="text-align:center; background:#bfb;" | 29 || August 31 || Seattle || ABC || W 80-76 || Jones (20) || Holt (5) || Gardin (4) || Mohegan Sun Arena <br /> 9,518 (sellout) || 19âÂÂ10 |-
|- style="text-align:center; background:#bfb;" | 30 || September 5 || Chicago || || W 80-75 || Whitmore (17) || Jones (6) || Whalen (6) || Mohegan Sun Arena <br /> 8,088 || 20âÂÂ10 |- style="text-align:center; background:#fbb;" | 31 || September 7 || San Antonio || ABC || L 73-85 || Jones (22) || Jones (9) || Abrosimova (6) || Mohegan Sun Arena <br /> 7,956 || 20âÂÂ11 |- style="text-align:center; background:#fbb;" | 32 || September 9 || @ Houston || WCTX || L 68-75 || Jones (22) || Whalen (8) || Whalen (5) || Reliant Arena <br /> 5,769 || 20âÂÂ12 |- style="text-align:center; background:#fbb;" | 33 || September 11 || @ San Antonio || || L 74-78 || Jones (18) || Gardin (14) || Carey (7) || AT&T Center <br /> 6,791 || 20âÂÂ13 |- style="text-align:center; background:#bfb;" | 34 || September 13 || Washington || WCTX<br />NBA TV || W 87-81 || Phillips (18) || Phillips (8) || Gruda, Swanier (4) || Mohegan Sun Arena <br /> 8,652 || 21âÂÂ13 |-
In the first round of the Eastern Conference Playoffs, the Sun had to face the New York Liberty. Since the Sun had the better record, the series would be played with game 1 at New York, game 2 at Connecticut, and game 3 (if needed) at Connecticut. The Liberty won the first game, but the Sun won the second to force a game three. The Sun were upset on their home floor by the Liberty and were eliminated from the playoffs.
|- style="text-align:center; background:#fbb;" | 1 || September 18 || @ New York || MSG<br />NBA TV || L 63-72 || Whitmore (16) || Jones, Whitmore (6) || Whalen (6) || Madison Square Garden <br /> 7,649 || 0âÂÂ1 |- style="text-align:center; background:#bfb;" | 2 || September 20 || New York || MSG<br />NBA TV || W 73-70 || Jones (16) || Whitmore (6) || Whalen (4) || Mohegan Sun Arena <br /> 7,234 || 1-1 |- style="text-align:center; background:#fbb;" | 3 || September 22 || New York || ESPN2 || L 62-66 || Whalen (19) || Jones (11) || Whitmore (4) || Mohegan Sun Arena <br /> 6,011 || 1âÂÂ2 |-
This table shows how the Sun rank compared to the other teams in the league (14 total teams):