Yes, wine goes bad, but in two completely different ways. An opened bottle is finished within days, sometimes within a single day. An unopened bottle does not spoil on a date; it degrades when something in its surroundings does the damage, which is why one bottle is fine after fifteen years and another is ruined in one hot afternoon.
Taking those two cases apart is the only way the question has a useful answer. Most wine that disappoints people has not “expired” at all. It was cooked, oxidized, lit, or simply never meant to be kept.
How long an opened bottle lasts
This is the case with a firm answer. Once the cork is out, air starts working on the wine, and the clock runs in days rather than weeks.
| Wine | Once opened, refrigerated |
|---|---|
| Pinot Noir | 24 hours |
| Most white wine | 2 to 3 days |
| Chardonnay, Sauvignon Blanc, Riesling | 3 to 5 days |
| Rosé | 3 to 5 days |
| Sparkling wine, with a stopper | 3 to 5 days |
| Organic red / organic white | 3 to 5 days / 3 to 7 days |
| Light-bodied Zinfandel | 3 to 5 days |
| Cabernet Sauvignon, with a stopper | up to 7 days |
| Moscato | up to 1 week |
| Full-bodied Zinfandel | 1 to 2 weeks |
Flavor starts shifting well before the wine is undrinkable. Our organic wine guide puts the first noticeable change at around 24 hours after opening, which is a good rule for any bottle: day one is the wine the maker intended, and everything after that is a slow decline you may or may not mind.
Two habits extend all of these figures. Put the bottle upright in the fridge, not on its side, so less wine touches air. And use a stopper rather than pushing the original cork back in, which is harder than it sounds once the cork has swollen. We cover the tools in keeping wine without a cork and the trick itself in getting a wine cork back in the bottle.
How an unopened bottle goes bad
There is no expiry date to read. There are seven things that actually ruin a sealed bottle, and all of them are conditions rather than time:
- Oxidation. Air works past a dried or failed cork and the wine browns and flattens.
- Cork taint (TCA). A contaminated cork gives the wine a wet-cardboard smell. Nothing to do with how you stored it.
- Heat damage. The most common cause by a distance, and the easiest to inflict by accident.
- UV light. Sunlight degrades wine through glass, which is why bottles are dark green in the first place.
- Secondary fermentation. Residual sugar restarts fermenting in the bottle and the wine turns fizzy when it should not be.
- Sulfur compounds. Mercaptans produce a struck-match or rotten-egg smell. Worth noting the levels found in wine reach at most around 10% of the concentration where they would be toxic, so this is a taste problem rather than a safety one.
- Microbial and bacterial taint. Spoilage organisms get a foothold and the wine turns sharp or vinegary.
Each of these is taken apart in when and why unopened wine goes bad.
Heat is what actually kills most wine
Wine keeps best between about 53 and 57°F, reds included. It stops being happy above 70°F, and at 80°F and over it is effectively cooking in the bottle, which strips the fruit and leaves a flat, stewed taste that no amount of careful storage afterwards will undo.
The everyday culprit is a car. On a mild 75°F day a parked car gets close to 100°F quickly, even with a window cracked, so a bottle left on the back seat after a shop can take more damage in an afternoon than a cupboard would do in a year. That case has its own guide: does wine go bad in a hot car. Sparkling wine is more fragile again, and if the cork has not lifted there is a salvage attempt worth trying, set out in does champagne go bad in heat.
How to tell before you pour it
Color is the most reliable early signal. A red that has browned at the rim is oxidized, and our guide puts that at around four years of storage when conditions are not right, far sooner than the bottle should have faded. An opened white starts visibly darkening in about two days. Full detail, including whether anything can be done about it, is in why wine turns brown.
- Smell first. Vinegar, nail polish, wet cardboard or struck match all mean something has gone wrong.
- Look at the rim. Brown in a red, deep gold or brown in a young white.
- Check for unexpected bubbles in a still wine, which points to secondary fermentation.
- Look at the cork. Wine seeped up the side or pushed out of the neck means heat. Mold on the outside of the cork looks alarming but is usually harmless, which we explain in moldy wine corks.
Most wine was never meant to be kept
The assumption underneath the question is usually that wine improves with age. The large majority does not. Around 90% of rosé is made to be drunk within a month, and Sauvignon Blanc, Moscato and tank-method sparkling wine are in the same bracket. Holding those back for a special occasion is what makes them taste old. Ageing is the exception, not the default, and the wines that reward it are a small, specific group.
Our wine storage temperature chart gives the keeping time for twelve wines side by side, and how wine should be stored covers doing it properly in the first place.
What to do with a bottle that has gone
Do not tip it away automatically. Wine past its best is often still fine for cooking, and if it has genuinely turned, there is a right way to empty and recycle it rather than pouring it down the nearest drain. The guide to this is what to do with old unopened wine, which also covers disposal and the bottle itself.