The Spread

Was the forecast right for New York on Sun Aug 2?

New York, New York · daily high temperature · forecasts from each model's archived runs, verified against ERA5

6 days out, 6 models put New York's Sun Aug 2 high anywhere from 76° to 82°; by the final call the field had settled to a median of 82°. ERA5 says the day verified at 82° with 0.43 in of precipitation — rain.

AIGFS landed closest, off by 0.1°. ICON ran 2° cold.

6 days out the models said 76–82; it hit 82. AIGFS led (off 0.1°); ICON ran 2° cold.
The shareable card for this receipt — what this page looks like pasted into a thread.

What every model said, at every lead

Daily-high calls for Sun Aug 2 as each model's runs approached it — the last archived run per day. NBM and The Spread's own blend are consensus products and stay out of these ranges and rankings; the New York scoreboard shows them, labelled.

Lead AIFSAIGFSECMWFGEMGFSICONUKMO Range
6d · 2026-07-27 82° 78° 80° 80° 76° 78° 76–82°
5d · 2026-07-28 81° 82° 80° 78° 78° 82° 79° 78–82°
4d · 2026-07-29 80° 80° 80° 78° 83° 80° 81° 78–83°
3d · 2026-07-30 83° 82° 81° 80° 82° 81° 82° 80–83°
2d · 2026-07-31 83° 82° 81° 81° 81° 81° 82° 81–83°
1d · 2026-08-01 82° 81° 82° 83° 83° 80° 82° 80–83°
0d · 2026-08-02 84° 82° 80° 84° 84° 80° 80° 80–84°
actual 82°

Read it honestly

This is one date, not a league table. A model can win a day it deserved to lose; rankings only mean something over a window. For that, see which model has been most accurate in New York — or every city The Spread scores.

Forecasts are what each model's archived runs said at the time, captured at The Spread's sweep times — never reconstructed after the fact. Truth is ERA5 reanalysis (temperature_2m_max). Archive depth varies by city; receipts exist only for dates the archive watched arrive.