It's -4C my car has been outside for days. The last 2 times I turned it on it was roughly the same temperature, and I only turned it on for a few moments to move the car on the driveway. Did not actually go for a drive.

Moments ago this happened:
Attempt 1: cranked, turned on for <1 second, died
Turned off the climate/audio screen, closed the driver's door, shutoff the interior lights
Attempt 2: cranked for a long time 6-8 seconds, car gave up on its own
Attempt 3: cranked for a while, sputtered once, didn't go on, gave up on its own.

I go inside to get the multimeter, battery reads 12.87V. A little low, I am not too concerned about this.

Attempt 4 & 5: cranks for many seconds, gives up on its own

I've called roadside assistance, but I am worried it may be something other than the battery (Which is ~2 years old at this point).

Is this related to the abuse of not letting my car warm up properly the last few times I turned it on? Is it likely flooded with gas/condensation?

 

So a tow truck came by last night, we attached some jumper cables and tried cranking. The same thing happened when I cranked. The tow truck operator said keep cranking, so another 3 button presses and it fired up finally.

After it fired up, I let it idle a bit longer and then revved it while parked. When the revs came back down, it coughed around the normal idle point and almost felt like it was going to to stall, luckily it caught itself and was fine.

I decided to head out and had no issues my entire 1.5 hour drive. This morning, the car started as normal.

Should I chalk this up to weak battery from the 2 driveway shuffles the prior to the incident?

 

Inside the battery is basically water. at that temp it probly gets a bit slushy.. I lived in mass for 20+ years and saw many a dead car, frozen door or cracked windshield due to cold

 

could have been a frozen gas line as well, I know esso and petro canada add gas line antifreeze (at the refinery) to their fuel during the winter months