Colchester striker Kayode Odejayi scored a third goal in two matches to help his side beat Huddersfield.
The visitors were reduced to 10 men after Peter Clarke was sent off for a second booking after 77 minutes.
And, shortly afterwards, Odejayi tapped in a low cross by Kevin Lisbie, who had got the better of left-back Joe Skarz.
Robbie Simpson was denied by Colchester keeper Ben Williams but the home side held on to go a sixth league match unbeaten under boss Aidy Boothroyd.
Colchester United manager Aidy Boothroyd told BBC Essex:
"Huddersfield came to spoil, they played with a back five and tried to counterattack, which we expect. We overcame it and it wasn't a particularly good spectacle.
"We dealt with the weather better and came out on top, but it was a tight game and could have gone either way."
Huddersfield Town manager Lee Clark told BBC Radio Leeds:
"We certainly deserved something from this game and anyone who says different was not watching the same game.
"The players did well and struck to the game play to the letter.
"There were some very good personal performances, but one error cost us a goal and the sending off hurt us.
"But I've told the players they have nothing to be ashamed in that performance."
90:00+4:22 The referee brings the game to a close.
90:00+3:18 Booking Anthony Pilkington is shown a yellow card.
90:00+2:27 Foul by Joe Skarz on Philip Ifil, free kick awarded. Kemal Izzet takes the free kick.
90:00+1:56 Steven Gillespie takes a shot. Alex Smithies makes a save.
90:00+0:24 Shot from deep inside the area by Steven Gillespie clears the bar.
89:55 Steven Gillespie produces a right-footed shot from close in that clears the bar.
88:39 Marc Tierney has shot on goal from just outside the area which goes wide of the right-hand upright.
85:31 Corner taken by Anthony Pilkington from the right by-line, save by Ben Williams.
83:14 Substitution Anthony Pilkington on for Jim Goodwin.
82:07 Substitution Philip Ifil comes on in place of Kevin Lisbie.
82:07 Kayode Odejayi gives away a free kick for an unfair challenge on Antony Kay. Free kick taken by Alex Smithies.
79:44 Assist on the goal came from Kevin Lisbie.
79:44 GOAL - Kayode Odejayi:Colchester 1 - 0 Huddersfield Kayode Odejayi gets on the score sheet with a goal from close in low into the middle of the goal. Colchester 1-0 Huddersfield.
76:14 Sent off Red card for Peter Clarke.
75:44 Substitution Andy Butler joins the action as a substitute, replacing Daniel Drinkwater.
75:44 Peter Clarke concedes a free kick for a foul on Danny Batth. Ben Williams takes the free kick.
75:07 Corner taken right-footed by Daniel Drinkwater from the right by-line, Kayode Odejayi makes a clearance.
73:51 Effort on goal by Steven Gillespie from just outside the area goes harmlessly over the target.
71:46 Substitution Steven Gillespie joins the action as a substitute, replacing Clive Platt.
71:13 Inswinging corner taken by Daniel Drinkwater, Marc Tierney manages to make a clearance.
69:53 Unfair challenge on Kevin Lisbie by Antony Kay results in a free kick. Marc Tierney takes the direct free kick.
69:11 Inswinging corner taken right-footed by Daniel Drinkwater, clearance by Kemal Izzet.
67:03 Inswinging corner taken by Daniel Drinkwater from the left by-line, John White manages to make a clearance.
65:18 Booking Peter Clarke booked.
64:53 Free kick awarded for a foul by Peter Clarke on Clive Platt. Anthony Wordsworth takes the direct free kick.
63:16 Substitution Lee Novak comes on in place of Theo Robinson.
61:48 Free kick awarded for an unfair challenge on Theo Robinson by John White. Daniel Drinkwater restarts play with the free kick.
60:21 Booking Jim Goodwin receives a yellow card for dissent.
60:06 Free kick awarded for a foul by Daniel Drinkwater on Kemal Izzet. Danny Batth takes the direct free kick.
58:41 Daniel Drinkwater takes the inswinging corner, Clive Platt makes a clearance.
57:49 Booking Danny Batth receives a caution.
57:40 Danny Batth challenges Theo Robinson unfairly and gives away a free kick. Direct free kick taken by Nathan Clarke.
56:20 Kayode Odejayi is ruled offside. Alex Smithies restarts play with the free kick.
54:55 Theo Robinson fouled by Anthony Wordsworth, the ref awards a free kick. Alex Smithies takes the indirect free kick.
53:27 The assistant referee signals for offside against Theo Robinson. Ben Williams takes the free kick.
51:14 Clive Platt is penalised for a handball. Peter Clarke restarts play with the free kick.
50:21 Antony Kay has an effort at goal from outside the penalty box which goes wide left of the goal.
49:26 Peter Clarke gives away a free kick for an unfair challenge on Kayode Odejayi. Danny Batth restarts play with the free kick.
45:49 Theo Robinson fouled by John White, the ref awards a free kick. Free kick taken by Daniel Drinkwater.
45:01 The referee blows his whistle to start the second half.
Half Time
45:00+1:02 It is the end of the first-half.
41:30 Handball decision goes against John-Joe O'Toole. Direct free kick taken by Nathan Clarke.
41:03 Anthony Wordsworth gives away a free kick for an unfair challenge on Alex Smithies. Alex Smithies takes the indirect free kick.
38:08 Shot from just outside the box by John-Joe O'Toole goes over the bar.
35:39 The assistant referee signals for offside against Kayode Odejayi. Free kick taken by Alex Smithies.
31:12 Kevin Lisbie fouled by Joe Skarz, the ref awards a free kick. Anthony Wordsworth crosses the ball in from the free kick, Theo Robinson manages to make a clearance.
29:04 Effort on goal by Kevin Lisbie from just inside the box goes harmlessly over the target.
28:03 Free kick awarded for a foul by Kayode Odejayi on James Berrett. Free kick taken by Alex Smithies.
27:16 Kemal Izzet fouled by Daniel Drinkwater, the ref awards a free kick. Indirect free kick taken by Ben Williams.
25:57 Kemal Izzet produces a right-footed shot from just outside the area that goes harmlessly over the bar.
25:02 Robbie Simpson is caught offside. Free kick taken by Ben Williams.
22:26 Kayode Odejayi concedes a free kick for a foul on Nathan Clarke. Alex Smithies takes the free kick.
21:27 Handball decision goes against Joe Skarz. Danny Batth takes the direct free kick.
18:45 Effort on goal by Marc Tierney from deep inside the area goes harmlessly over the bar.
16:30 Anthony Wordsworth takes a inswinging corner from the right by-line played to the near post.
16:02 Foul by Peter Clarke on Clive Platt, free kick awarded. Ben Williams takes the indirect free kick.
14:43 John-Joe O'Toole has shot on goal from just outside the area which goes wide of the right-hand upright.
7:12 Foul by Clive Platt on Nathan Clarke, free kick awarded. Alex Smithies takes the free kick.
4:01 The referee blows for offside against Theo Robinson. Indirect free kick taken by Ben Williams.
2:19 Kayode Odejayi produces a right-footed shot from the edge of the area and misses to the left of the target.
2:01 Kemal Izzet fouled by Jim Goodwin, the ref awards a free kick. Free kick taken by Ben Williams.
0:00 The match begins.
Live text and data provided by The Press Association.
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