Highest temperature in Los Angeles on July 20?

Platform comparison

Market context

Los Angeles is currently enduring an extreme heatwave that has pushed temperatures across Southern California to dangerous levels, with the city facing sustained high heat through mid-July 2026. The prediction market for the highest temperature recorded at Los Angeles International Airport on 20 July 2026 reflects this immediate reality, with the crowd assigning a 100% probability to the 80–81°F range and a 0% chance for temperatures below 71°F [1]. This stark consensus contrasts sharply with the market’s initial 0% YES implied probability for lower ranges, indicating that recent weather data has rapidly corrected trader expectations toward the upper end of the historical spectrum.

Historical patterns for mid-July in Los Angeles typically see temperatures hovering between 75°F and 85°F, but the current heatwave described by the Los Angeles Times as “dangerous” suggests conditions are pushing firmly into the 80s [2]. Comparable cases from previous extreme heat events show that when a sustained warning is issued, temperatures often exceed seasonal averages by 5–10 degrees, making the 80–81°F frontrunner a statistically robust outcome rather than an outlier. The market’s depth is directly tied to these funding flows, as traders using Klarna and SEPA on-ramps are capitalising on the clear divergence between early pessimism and current meteorological evidence.

Traders should monitor daily Wunderground updates for the KLAX station, which serves as the official resolution source, alongside any new heat advisories from local authorities [1]. The Los Angeles Times reports that the heatwave’s duration remains uncertain, with officials urging residents to stay hydrated and avoid outdoor exposure during peak sun hours [2]. As the settlement window closes on 20 July 2026 at 12:00 UTC, the primary catalyst will be the final temperature reading released by Wunderground, which will determine whether the market resolves to the 80–81°F range or shifts unexpectedly.

Sources: 1 · 2 · 3

Methodology

This page compares Highest temperature in Los Angeles on July 20? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

Which payment methods are supported?

Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.

How fast is SEPA deposit?

SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.

What's the minimum deposit?

10 EUR / 10 USD equivalent. No upper limit, but deposits over $1,500 lifetime volume trigger a quick KYC flow (typically 5-10 minutes).

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).

Are payment details protected?

Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.