Amsterdam July 6 High Temp: Will 22°C Hit?

Two days out from resolution, Amsterdam’s July 6 temperature market is a knife-edge call. The 22°C outcome sits at 45% implied probability, meaning traders lean slightly against it landing exactly there. That’s not a confident directional bet. That’s the market pricing granular meteorological uncertainty across a narrow one-degree band.

The market question asks: what is the highest temperature in Amsterdam on July 6? The 22°C outcome is priced at $0.45 YES and $0.55 NO, implying a 45% chance. The contract resolves on July 6, 2026 at 12:00 UTC. Total volume stands at $3,232, all of it placed in the last 24 hours. This is a brand-new, actively opened market.

How the Amsterdam July 6 Temperature Contract Works

This contract resolves YES if the highest temperature recorded in Amsterdam on July 6, 2026 hits exactly 22°C. It resolves NO if the daily maximum lands at any other value, whether that’s 21°C, 23°C, or anything else on the board. The resolution source is the market’s own designated data feed, tied to official Amsterdam temperature records. With a dozen competing outcomes on the board from 16°C or below up to 26°C or higher, every degree is its own tradeable contract.

• YES ($0.45, 45% probability): Amsterdam’s July 6 daily maximum registers exactly 22°C.
• NO ($0.55, 55% probability): The daily maximum falls on any other outcome, including 21°C, 23°C, 24°C, or beyond.

The NO side wins whenever Amsterdam’s thermometer refuses to land on 22°C. A warmer push toward 24°C or 25°C would pay NO buyers here, as would a cooler-than-expected day settling at 20°C or 21°C. The NO contract benefits from the sheer number of alternative outcomes. With ten other possible buckets, the probability mass is spread thin, and 22°C is just one slice of a wide distribution.

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Momentum and Market Signals

The momentum composite here is essentially flat. The 1-hour price change is 0.0%, and the trend score of 24.85 reflects low directional conviction. The most likely driver of any price shift before July 6 is an updated weather forecast from KNMI (the Royal Netherlands Meteorological Institute) or European weather models as the forecast window sharpens over the next 48 hours.

Total volume is $3,232, with all of it arriving in the last 24 hours. Liquidity at $45,005 is notably deep relative to total volume. That depth means large new bets could move this price meaningfully. Still, with total volume well below $1 million, this is a thin market. A single concentrated position could reprice the contract sharply before resolution.

• The 1-hour price change is 0.0% and the 24-hour trend score sits at 24.85, pointing to a waiting market rather than a driven one.
• Volume of $3,232 is thin. Price can shift dramatically on a single weather model update or a large new trade.
• Liquidity at $45,005 provides cushion, but the volume-to-liquidity ratio suggests most of the order book is uncommitted capital, not conviction.
• The 8% price drop on July 4 (from $0.50 to $0.45) suggests early buyers faded the 22°C thesis as forecasts updated. That move is the clearest directional signal in this market so far.
• Trader sentiment is mixed: 45% YES versus 55% NO, mirroring the current price almost exactly. No strong consensus has formed.

Competing Outcomes via Polymarket (as of July 4, 2026)

• 22°C: 45%
• 23°C: listed on board
• 21°C: listed on board
• 24°C: listed on board
• 20°C: listed on board
• 25°C: listed on board
• 26°C or higher: listed on board
• 19°C and below outcomes: listed on board

Lines Analysis: Amsterdam Temperature and the Forecast Window

Here’s what the measurements are telling us. Amsterdam in early July typically sees daily highs clustered between 19°C and 25°C, with the distribution centering near 21°C to 23°C based on historical July climatology for the city. A 22°C outcome is squarely within the climatological range, which is why it attracted early volume. The problem is that within a one-degree resolution market, being in range is not enough. The forecast has to nail the specific bucket.

What makes NO real is the breadth of alternatives. KNMI’s short-range models and the European Centre for Medium-Range Weather Forecasts (ECMWF) will sharpen their July 6 Amsterdam forecast significantly by July 5. If the consensus forecast shifts to 23°C or 24°C, traders holding YES on 22°C face a deteriorating position with no exit at fair value. Conversely, a cooler maritime push from the North Sea could pull the expected high toward 20°C or 21°C, equally damaging for the 22°C contract. The July 4 price drop from $0.50 to $0.45 suggests exactly this kind of forecast drift already happened once.

Signals to Monitor:

• KNMI publishes daily Amsterdam forecasts. A July 5 update showing a 23°C expected high would likely push YES pricing below $0.40.
• ECMWF ensemble runs updated twice daily represent the highest-confidence meteorological signal for this contract. Watch the 12Z July 5 run specifically.
• Any synoptic pattern change, such as a blocking high or Atlantic low tracking differently, would shift the full distribution, not just 22°C.
• Wind direction on July 5 overnight matters. Southerly flow brings warmer air; northwesterly maritime flow caps highs near 20°C to 21°C.
• If competing contracts on 23°C or 24°C start attracting heavy volume, that capital movement signals where forecast consensus is migrating.

Total volume of $3,232 reflects a very early-stage market. The data favors neither side with conviction yet. The 22°C outcome is climatologically plausible, but thin volume and a recent price fade suggest the forecast is not currently centered on that exact degree. The market is pricing uncertainty, not science. That changes when ECMWF sharpens its July 6 Amsterdam forecast to a single expected value.

LINES VERDICT

Too Close to Call, Forecast Dependent

The 22°C outcome sits in a plausible range, but one-degree resolution markets resolve on precision, not probability bands. The July 4 price fade from $0.50 suggests forecasts already moved away from 22°C as the primary expected high.

What the market says: A 45% implied probability means traders assign a slight edge to this outcome missing. With resolution just 48 hours away, volatility here is entirely weather-model driven. The end date of July 6 at 12:00 UTC leaves almost no time for position corrections once the final forecast locks in.

Key unknown: The ECMWF 12Z ensemble run on July 5 is the single most important data point for this contract. If that model centers the Amsterdam July 6 expected high on 22°C with low spread, YES pricing will firm. If it points to 23°C or higher, YES fades further.

Scientific Context: Amsterdam July Temperature Climatology

Amsterdam’s July climatology places the average daily maximum near 22°C, making this outcome the statistical center of the distribution. However, the standard deviation across individual July days is large enough that outcomes from 18°C to 27°C are all historically documented. A one-degree resolution market in this context is a high-variance bet even when the central tendency is favorable. The relevant question is not whether 22°C is plausible, but whether the forecast window will center there versus the adjacent buckets. Before July 6, the price will be driven entirely by what operational weather models say, not by climatological averages.