This market has settled: RESOLVED
Settled on April 4, 2026
Will March 2026 be the 1st hottest on record?
Will March 2026 be the 1st hottest on record? Odds: 0.7% YES on Polymarket. See live prices and trade this market.
The market pricing March 2026 as having less than 1% chance of being the hottest March on record reflects both the difficulty of beating recent temperature extremes and the near-term forecasting limitations. This matters because it reveals how traders assess climate volatility against the backdrop of 2024’s record-breaking temperatures, which saw multiple months claim hottest-ever status.
Current Odds
| Platform | Yes | No | Volume | Trade |
|---|---|---|---|---|
| Polymarket | 0.7% | 99.3% | $99K | Trade on Polymarket |
Market Analysis
The bull case hinges on an exceptionally strong El Niño pattern developing through late 2025, similar to the 2015-2016 event that contributed to 2016’s record temperatures. March specifically could benefit from delayed El Niño peak effects combined with the ongoing background warming trend of approximately 0.2°C per decade. Additionally, unusual atmospheric circulation patterns like persistent high-pressure systems over major landmasses or early Arctic sea ice decline could push March 2026 into record territory. The market would also move dramatically if January or February 2026 establish unprecedented warm patterns, suggesting momentum into March.
The bear case is more straightforward: March 2024 currently holds the record, and historical data shows beating a fresh record within just two years is statistically rare. NOAA and other meteorological agencies typically forecast only 3-6 months ahead with reasonable confidence, and current neutral ENSO conditions through fall 2024 suggest no clear signal for a major March 2026 anomaly. The probability must account for March competing against 140+ years of records, where even with climate change, individual monthly records remain low-probability events. La Niña conditions, which often follow El Niño, could establish themselves by early 2026 and suppress global temperature anomalies.
Traders should monitor NOAA’s ENSO forecast updates released monthly, particularly the October 2024 and January 2025 outlooks which will clarify Pacific Ocean temperature trends. The Climate Prediction Center’s seasonal outlooks for winter 2025-2026, typically issued in November, will provide crucial context. By December 2025, when meteorological services release their February-March-April 2026 forecasts, the odds should shift substantially if unusual warming patterns emerge. Watch for preliminary temperature rankings from NASA GISS and NOAA around April 15-20, 2026, when March data becomes available.
Related Markets
- US x Iran ceasefire by December 31? — 70% YES
- Will Amanda Anisimova be the 2026 Women’s Wimbledon Winner? — 6% YES
- Will the People Power Party (PPP) win the 2026 South Korean local elections? — 4% YES
Frequently Asked Questions
What March currently holds the record and by what margin?
March 2024 holds the current record, though specific margin data will depend on which dataset (NASA GISS, NOAA, or ERA5) is used as the benchmark for market resolution. Even small margins of 0.05-0.1°C make records difficult to break consecutively.
Could volcanic activity or other sudden climate events change this market’s probability significantly?
Major volcanic eruptions typically cause short-term cooling, not warming, so would decrease odds. Only unprecedented Arctic methane releases or similarly extreme warming events could dramatically shift probabilities upward, but these remain speculative with no forecasting capability.
Why would traders bet on this market a year before the outcome when weather forecasting has limited accuracy?
Early positioning allows traders to capture value before seasonal forecasts narrow uncertainty, particularly if ENSO patterns become clear 6-9 months in advance. The market also attracts climate-focused traders making probabilistic bets across multiple monthly temperature markets to diversify exposure.