The Spread Maps Request an invite

Was the forecast right for Buffalo on Sat Sep 12?

Buffalo, New York · daily high temperature in °C · forecasts from each model's archived runs, verified against the BUF observations

14 days out, 4 models put Buffalo's Sat Sep 12 high anywhere from 16° to 27°; by the final call, the day before, the field had settled to a median of 27°. The day verified at 27° against the BUF observations.

AIGFS landed closest, off by 0.2°. GEM ran 3° warm.

14 days out the models said 16–27; it hit 27. AIGFS led (off 0.2°C); GEM ran 3°C warm.
The shareable card for this day: what this page looks like pasted into a thread.

What every model said, at every lead

Forecast highs for Sat Sep 12 as each model's run approached it, recorded from the last archived model run per day. NBM and The Spread's own blend are omitted because they average the other models.

Lead AIFSAIGFSECMWFGEMGFSICONUKMO Range
15d · 2026-08-28 — 24° — — 24° — — 24–24°
14d · 2026-08-29 23° 23° 27° — 16° — — 16–27°
13d · 2026-08-30 25° 22° 20° — 21° — — 20–25°
12d · 2026-08-31 27° 26° 30° — 24° — — 24–30°
11d · 2026-09-01 20° 24° 23° — 20° — — 20–24°
10d · 2026-09-02 21° 30° 12° — 29° — — 12–30°
9d · 2026-09-03 18° 28° 22° 19° 20° — — 18–28°
8d · 2026-09-04 22° 26° 25° 23° 24° — — 22–26°
7d · 2026-09-05 25° 18° 23° 24° 30° — — 18–30°
6d · 2026-09-06 26° 25° 24° 23° 25° 22° 23° 22–26°
5d · 2026-09-07 26° 25° 26° 25° 27° 24° 23° 23–27°
4d · 2026-09-08 25° 26° 26° 26° 27° 27° 26° 25–27°
3d · 2026-09-09 26° 27° 26° 26° 27° 26° 27° 26–27°
2d · 2026-09-10 26° 26° 27° 29° 25° 26° 25° 25–29°
1d · 2026-09-11 26° 27° 26° 30° 27° 27° 27° 26–30°
actual 27°

What one day can show

A score for one day isn't very meaningful; a useful ranking needs many days of data. See which model has been most accurate in Buffalo, or in every city The Spread scores.

Forecasts are what each model's archived runs said at the time they were recorded by The Spread; nothing is reconstructed after the fact. Truth is the BUF observations. The actual values are the ones in hand when this day was verified, usually 2 days after the date; a correction published after that is not carried into it. Archive depth varies by city; verified days exist only for dates the archive watched arrive.