This market has settled: RESOLVED
Settled on March 18, 2026
Will Seattle have between 6 and 7 inches of precipitation in March?
Will Seattle have between 6 and 7 inches of precipitation in March? Odds: 42.0% YES on Polymarket. See live prices and trade this market.
Seattle Precipitation Market Analysis
Current Odds
| Platform | Yes | No | Volume | Trade |
|---|---|---|---|---|
| Polymarket | 40.8% | 59.2% | $10K | Trade on Polymarket |
Market Analysis
At 40.8% YES, this weather prediction market is currently pricing in slightly below even odds that Seattle will see 6-7 inches of rain in March, suggesting traders expect either drier conditions or precipitation outside this specific range. The market matters now because we’re roughly one year out from expiry, giving meteorological data and seasonal trend forecasters time to refine their positioning before March 2026 arrives. Despite the “politics” category tag—likely a platform categorization error—this is fundamentally a weather derivatives market with real implications for construction schedules, water management planning, and flood risk assessment in the Pacific Northwest.
The bull case for YES rests on Seattle’s historical precipitation patterns: March typically ranks among the wetter months in the city’s annual cycle, with average precipitation around 5.5 inches, making 6-7 inches well within normal seasonal variation. El Niño patterns, if they persist into early 2026, could amplify atmospheric river activity and push precipitation toward the upper end of historical distributions. Water resource managers and construction firms betting on typical spring conditions would favor this outcome, and any tropical climate signals indicating enhanced moisture transport to the Pacific Northwest by Q1 2026 would strengthen the YES thesis.
The bear case argues that 6-7 inches represents the upper-middle range of outcomes rather than the mode, and traders should demand higher odds for a specific precipitation band rather than simply “above or below average.” Seattle’s precipitation is highly variable month-to-month; March could easily fall into the 3-5 inch range (below threshold) or exceed 8+ inches (above threshold). Additionally, longer-term climate trends show slight drying in some Pacific Northwest models, and La Niña conditions—if they develop by early 2026—would reduce atmospheric river frequency and push outcomes lower.
Key catalysts to monitor include NOAA’s seasonal outlooks released quarterly (next major update typically November 2024) and any significant pattern shifts visible in ensemble forecasts by winter 2025-26. Traders should watch for El Niño/La Niña transitions announced by NOAA’s Climate Prediction Center around late 2025, as these drive the largest swings in regional precipitation odds. The specificity of the 6-7 inch band means this market will likely compress significantly as March approaches and deterministic forecasts improve; currently, the wide uncertainty window supports the moderate odds we see.
Related Markets
- Will Robert F. Kennedy Jr. win the 2028 Republican presidential nomination? — 1% YES
- Will Alexandria Ocasio-Cortez win the 2028 US Presidential Election? — 5% YES
- Will Anthropic have the best AI model at the end of March 2026? — 93% YES
Frequently Asked Questions
How does Seattle’s average March precipitation compare to the 6-7 inch threshold in this market?
Seattle averages approximately 5.5 inches in March, making the 6-7 inch range about 9-27% wetter than normal—achievable but above the historical median outcome.
What role will NOAA’s seasonal climate forecasts play in moving these odds before March 2026?
NOAA’s 3-month and seasonal outlooks, released quarterly, directly signal expected precipitation anomalies for the Pacific Northwest and will likely drive significant repricing once winter 2025-26 pattern forecasts solidify.
Could this market be mispriced due to the wide range of possible March outcomes?
Yes—bundling 6-7 inches into a single outcome bucket may underweight the probability that precipitation falls outside this band (either notably drier or wetter), suggesting traders may be overconfident in mean reversion toward average conditions.