Chance of Wrong · forecast accuracy

Tracking Xweather forecasts vs actuals for 50 US state capitals

← Dashboard · California · America/Los_Angeles · 38.58, -121.49

Latest observation
48.0°F
2026-10-12 07:00 PDT · temp 48.0°F · feels 48.0°F · RH 68% · dew 38.0°F · wind 0.0 mph
Hour samples (7d)
183
Temperature matches
Temp MAE
2.79°
Earliest forecast vs actual

Forecast evolution — Temperature

How the temperature forecast for 2026-10-12 07:00 PDT changed each time we re-collected. Times are local (America/Los_Angeles). Actual: 48.0°F.

Forecast temperature vs actual

X-axis is lead time before the target hour (left = earliest forecast, right = near/at the hour). Blue line = forecast; green dashed = actual once known. Move the cursor across the chart for details.

46°49°51°54°56° 48h39h29h20h10h1h actual 48.0°F Lead time (hours)
Forecast Actual
Forecast temperature error (forecast − actual)

Positive = forecast too warm; negative = too cool. Zero line is perfect. Move the cursor across the chart for details.

-6°-3°+0°+3°+6° 48h39h29h20h10h1h Lead time (hours)
Collected at (local) Lead (h) Forecast Actual Error
2026-10-10 07:00 PDT 48.0 54.0°F 48.0°F +6.0°
2026-10-10 08:00 PDT 47.0 54.0°F 48.0°F +6.0°
2026-10-10 09:00 PDT 46.0 54.0°F 48.0°F +6.0°
2026-10-10 10:00 PDT 45.0 54.0°F 48.0°F +6.0°
2026-10-10 11:00 PDT 44.0 54.0°F 48.0°F +6.0°
2026-10-10 12:00 PDT 43.0 54.0°F 48.0°F +6.0°
2026-10-10 13:00 PDT 42.0 54.0°F 48.0°F +6.0°
2026-10-10 14:00 PDT 41.0 54.0°F 48.0°F +6.0°
2026-10-10 15:00 PDT 40.0 54.0°F 48.0°F +6.0°
2026-10-10 16:00 PDT 39.0 54.0°F 48.0°F +6.0°
2026-10-10 17:00 PDT 38.0 54.0°F 48.0°F +6.0°
2026-10-10 18:00 PDT 37.0 54.0°F 48.0°F +6.0°
2026-10-10 19:00 PDT 36.0 54.0°F 48.0°F +6.0°
2026-10-10 20:00 PDT 35.0 54.0°F 48.0°F +6.0°
2026-10-10 21:00 PDT 34.0 54.0°F 48.0°F +6.0°
2026-10-10 22:00 PDT 33.0 54.0°F 48.0°F +6.0°
2026-10-10 23:00 PDT 32.0 54.0°F 48.0°F +6.0°
2026-10-11 00:00 PDT 31.0 54.0°F 48.0°F +6.0°
2026-10-11 01:00 PDT 30.0 53.0°F 48.0°F +5.0°
2026-10-11 02:00 PDT 29.0 53.0°F 48.0°F +5.0°
2026-10-11 03:00 PDT 28.0 53.0°F 48.0°F +5.0°
2026-10-11 04:00 PDT 27.0 53.0°F 48.0°F +5.0°
2026-10-11 05:00 PDT 26.0 53.0°F 48.0°F +5.0°
2026-10-11 06:00 PDT 25.0 53.0°F 48.0°F +5.0°
2026-10-11 07:00 PDT 24.0 53.0°F 48.0°F +5.0°
2026-10-11 08:00 PDT 23.0 53.0°F 48.0°F +5.0°
2026-10-11 09:00 PDT 22.0 53.0°F 48.0°F +5.0°
2026-10-11 10:00 PDT 21.0 53.0°F 48.0°F +5.0°
2026-10-11 11:00 PDT 20.0 53.0°F 48.0°F +5.0°
2026-10-11 12:00 PDT 19.0 53.0°F 48.0°F +5.0°
2026-10-11 13:00 PDT 18.0 52.0°F 48.0°F +4.0°
2026-10-11 14:00 PDT 17.0 52.0°F 48.0°F +4.0°
2026-10-11 15:00 PDT 16.0 52.0°F 48.0°F +4.0°
2026-10-11 16:00 PDT 15.0 52.0°F 48.0°F +4.0°
2026-10-11 17:00 PDT 14.0 52.0°F 48.0°F +4.0°
2026-10-11 18:00 PDT 13.0 52.0°F 48.0°F +4.0°
2026-10-11 19:00 PDT 12.0 52.0°F 48.0°F +4.0°
2026-10-11 20:00 PDT 11.0 52.0°F 48.0°F +4.0°
2026-10-11 21:00 PDT 10.0 52.0°F 48.0°F +4.0°
2026-10-11 22:00 PDT 9.0 52.0°F 48.0°F +4.0°
2026-10-11 23:00 PDT 8.0 52.0°F 48.0°F +4.0°
2026-10-12 00:00 PDT 7.0 52.0°F 48.0°F +4.0°
2026-10-12 01:00 PDT 6.0 52.0°F 48.0°F +4.0°
2026-10-12 02:00 PDT 5.0 52.0°F 48.0°F +4.0°
2026-10-12 03:00 PDT 4.0 52.0°F 48.0°F +4.0°
2026-10-12 04:00 PDT 3.0 52.0°F 48.0°F +4.0°
2026-10-12 05:00 PDT 2.0 52.0°F 48.0°F +4.0°
2026-10-12 06:00 PDT 1.0 52.0°F 48.0°F +4.0°

Hourly accuracy — Temperature

Click an hour to load its forecast evolution above. Switch metrics with the control above.

Hour (local) Forecast Actual Error Lead (h)
2026-10-12 07:00 PDT 54.0°F 48.0°F +6.0° 48.0
2026-10-12 06:00 PDT 55.0°F 50.0°F +5.0° 48.0
2026-10-12 05:00 PDT 55.0°F 51.0°F +4.0° 48.0
2026-10-12 04:00 PDT 56.0°F 54.0°F +2.0° 48.0
2026-10-12 03:00 PDT 56.0°F 54.0°F +2.0° 48.0
2026-10-12 02:00 PDT 57.0°F 52.0°F +5.0° 48.0
2026-10-12 01:00 PDT 57.0°F 55.0°F +2.0° 48.0
2026-10-12 00:00 PDT 57.0°F 56.0°F +1.0° 48.0
2026-10-11 23:00 PDT 58.0°F 56.0°F +2.0° 48.0
2026-10-11 22:00 PDT 60.0°F 57.0°F +3.0° 48.0
2026-10-11 21:00 PDT 62.0°F 59.0°F +3.0° 48.0
2026-10-11 20:00 PDT 64.0°F 63.0°F +1.0° 48.0
2026-10-11 19:00 PDT 67.0°F 66.0°F +1.0° 48.0
2026-10-11 18:00 PDT 69.0°F 71.0°F -2.0° 48.0
2026-10-11 17:00 PDT 72.0°F 74.0°F -2.0° 48.0
2026-10-11 16:00 PDT 72.0°F 74.0°F -2.0° 48.0
2026-10-11 15:00 PDT 71.0°F 74.0°F -3.0° 48.0
2026-10-11 14:00 PDT 71.0°F 73.0°F -2.0° 48.0
2026-10-11 13:00 PDT 69.0°F 70.0°F -1.0° 48.0
2026-10-11 12:00 PDT 66.0°F 66.0°F +0.0° 48.0
2026-10-11 11:00 PDT 64.0°F 63.0°F +1.0° 48.0
2026-10-11 10:00 PDT 59.0°F 58.0°F +1.0° 48.0
2026-10-11 09:00 PDT 55.0°F 53.0°F +2.0° 48.0
2026-10-11 08:00 PDT 52.0°F 48.0°F +4.0° 48.0
2026-10-11 07:00 PDT 52.0°F 47.0°F +5.0° 48.0
2026-10-11 06:00 PDT 53.0°F 48.0°F +5.0° 48.0
2026-10-11 05:00 PDT 53.0°F 47.0°F +6.0° 48.0
2026-10-11 04:00 PDT 54.0°F 49.0°F +5.0° 48.0
2026-10-11 03:00 PDT 54.0°F 52.0°F +2.0° 48.0
2026-10-11 02:00 PDT 55.0°F 52.0°F +3.0° 48.0
2026-10-11 01:00 PDT 55.0°F 54.0°F +1.0° 48.0
2026-10-11 00:00 PDT 57.0°F 55.0°F +2.0° 48.0
2026-10-10 23:00 PDT 58.0°F 56.0°F +2.0° 48.0
2026-10-10 22:00 PDT 59.0°F 57.0°F +2.0° 48.0
2026-10-10 21:00 PDT 61.0°F 59.0°F +2.0° 48.0
2026-10-10 20:00 PDT 62.0°F 61.0°F +1.0° 48.0
2026-10-10 19:00 PDT 66.0°F 65.0°F +1.0° 48.0
2026-10-10 18:00 PDT 69.0°F 68.0°F +1.0° 48.0
2026-10-10 17:00 PDT 73.0°F 71.0°F +2.0° 48.0
2026-10-10 16:00 PDT 74.0°F 72.0°F +2.0° 48.0
2026-10-10 15:00 PDT 74.0°F 72.0°F +2.0° 48.0
2026-10-10 14:00 PDT 75.0°F 72.0°F +3.0° 48.0
2026-10-10 13:00 PDT 73.0°F 72.0°F +1.0° 48.0
2026-10-10 12:00 PDT 71.0°F 68.0°F +3.0° 48.0
2026-10-10 11:00 PDT 69.0°F 65.0°F +4.0° 48.0
2026-10-10 10:00 PDT 66.0°F 63.0°F +3.0° 48.0
2026-10-10 09:00 PDT 62.0°F 61.0°F +1.0° 48.0
2026-10-10 08:00 PDT 59.0°F 59.0°F +0.0° 48.0
2026-10-10 07:00 PDT 59.0°F 58.0°F +1.0° 48.0
2026-10-10 06:00 PDT 60.0°F 59.0°F +1.0° 48.0
2026-10-10 05:00 PDT 60.0°F 59.0°F +1.0° 48.0
2026-10-10 04:00 PDT 61.0°F 59.0°F +2.0° 48.0
2026-10-10 03:00 PDT 62.0°F 58.0°F +4.0° 48.0
2026-10-10 02:00 PDT 63.0°F 59.0°F +4.0° 48.0
2026-10-10 01:00 PDT 64.0°F 59.0°F +5.0° 48.0
2026-10-10 00:00 PDT 65.0°F 60.0°F +5.0° 48.0
2026-10-09 23:00 PDT 66.0°F 60.0°F +6.0° 48.0
2026-10-09 22:00 PDT 69.0°F 61.0°F +8.0° 48.0
2026-10-09 21:00 PDT 72.0°F 63.0°F +9.0° 48.0
2026-10-09 20:00 PDT 75.0°F 65.0°F +10.0° 48.0
2026-10-09 19:00 PDT 80.0°F 69.0°F +11.0° 48.0
2026-10-09 18:00 PDT 85.0°F 74.0°F +11.0° 48.0
2026-10-09 17:00 PDT 89.0°F 80.0°F +9.0° 48.0
2026-10-09 16:00 PDT 90.0°F 83.0°F +7.0° 48.0
2026-10-09 15:00 PDT 90.0°F 84.0°F +6.0° 48.0
2026-10-09 14:00 PDT 90.0°F 87.0°F +3.0° 48.0
2026-10-09 13:00 PDT 87.0°F 84.0°F +3.0° 48.0
2026-10-09 12:00 PDT 83.0°F 79.0°F +4.0° 48.0
2026-10-09 11:00 PDT 80.0°F 76.0°F +4.0° 48.0
2026-10-09 10:00 PDT 75.0°F 70.0°F +5.0° 48.0
2026-10-09 09:00 PDT 69.0°F 66.0°F +3.0° 48.0
2026-10-09 08:00 PDT 63.0°F 62.0°F +1.0° 48.0
2026-10-09 07:00 PDT 63.0°F 63.0°F +0.0° 48.0
2026-10-09 06:00 PDT 64.0°F 63.0°F +1.0° 48.0
2026-10-09 05:00 PDT 64.0°F 66.0°F -2.0° 48.0
2026-10-09 04:00 PDT 65.0°F 68.0°F -3.0° 48.0
2026-10-09 03:00 PDT 67.0°F 68.0°F -1.0° 48.0
2026-10-09 02:00 PDT 68.0°F 69.0°F -1.0° 48.0
2026-10-09 01:00 PDT 70.0°F 69.0°F +1.0° 48.0
2026-10-09 00:00 PDT 72.0°F 70.0°F +2.0° 48.0
2026-10-08 23:00 PDT 74.0°F 72.0°F +2.0° 48.0
2026-10-08 22:00 PDT 78.0°F 75.0°F +3.0° 48.0
2026-10-08 21:00 PDT 81.0°F 79.0°F +2.0° 48.0
2026-10-08 20:00 PDT 85.0°F 85.0°F +0.0° 48.0
2026-10-08 19:00 PDT 90.0°F 85.0°F +5.0° 48.0
2026-10-08 18:00 PDT 94.0°F 93.0°F +1.0° 48.0
2026-10-08 17:00 PDT 99.0°F 99.0°F +0.0° 48.0
2026-10-08 16:00 PDT 98.0°F 99.0°F -1.0° 48.0
2026-10-08 15:00 PDT 98.0°F 97.0°F +1.0° 48.0
2026-10-08 14:00 PDT 97.0°F 95.0°F +2.0° 48.0
2026-10-08 13:00 PDT 92.0°F 92.0°F +0.0° 48.0
2026-10-08 12:00 PDT 87.0°F 88.0°F -1.0° 48.0
2026-10-08 11:00 PDT 82.0°F 83.0°F -1.0° 48.0
2026-10-08 10:00 PDT 76.0°F 78.0°F -2.0° 48.0
2026-10-08 09:00 PDT 70.0°F 71.0°F -1.0° 48.0
2026-10-08 08:00 PDT 64.0°F 62.0°F +2.0° 48.0
2026-10-08 07:00 PDT 64.0°F 60.0°F +4.0° 48.0
2026-10-08 06:00 PDT 63.0°F 60.0°F +3.0° 48.0
2026-10-08 05:00 PDT 63.0°F 62.0°F +1.0° 48.0
2026-10-08 04:00 PDT 64.0°F 63.0°F +1.0° 48.0
2026-10-08 03:00 PDT 66.0°F 64.0°F +2.0° 48.0
2026-10-08 02:00 PDT 67.0°F 66.0°F +1.0° 48.0
2026-10-08 01:00 PDT 69.0°F 67.0°F +2.0° 48.0
2026-10-08 00:00 PDT 72.0°F 71.0°F +1.0° 48.0
2026-10-07 23:00 PDT 74.0°F 73.0°F +1.0° 48.0
2026-10-07 22:00 PDT 78.0°F 75.0°F +3.0° 48.0
2026-10-07 21:00 PDT 81.0°F 75.0°F +6.0° 48.0
2026-10-07 20:00 PDT 85.0°F 80.0°F +5.0° 48.0
2026-10-07 19:00 PDT 89.0°F 86.0°F +3.0° 48.0
2026-10-07 18:00 PDT 94.0°F 96.0°F -2.0° 48.0
2026-10-07 17:00 PDT 99.0°F 98.0°F +1.0° 48.0
2026-10-07 16:00 PDT 98.0°F 99.0°F -1.0° 48.0
2026-10-07 15:00 PDT 98.0°F 97.0°F +1.0° 48.0
2026-10-07 14:00 PDT 97.0°F 96.0°F +1.0° 48.0
2026-10-07 13:00 PDT 93.0°F 93.0°F +0.0° 48.0
2026-10-07 12:00 PDT 88.0°F 89.0°F -1.0° 48.0
2026-10-07 11:00 PDT 84.0°F 84.0°F +0.0° 48.0
2026-10-07 10:00 PDT 78.0°F 79.0°F -1.0° 48.0
2026-10-07 09:00 PDT 71.0°F 73.0°F -2.0° 48.0
2026-10-07 08:00 PDT 65.0°F 64.0°F +1.0° 48.0
2026-10-07 07:00 PDT 65.0°F 63.0°F +2.0° 48.0
2026-10-07 06:00 PDT 66.0°F 63.0°F +3.0° 48.0
2026-10-07 05:00 PDT 66.0°F 64.0°F +2.0° 48.0
2026-10-07 04:00 PDT 67.0°F 65.0°F +2.0° 48.0
2026-10-07 03:00 PDT 69.0°F 66.0°F +3.0° 48.0
2026-10-07 02:00 PDT 70.0°F 66.0°F +4.0° 48.0
2026-10-07 01:00 PDT 72.0°F 69.0°F +3.0° 48.0
2026-10-07 00:00 PDT 75.0°F 72.0°F +3.0° 48.0
2026-10-06 23:00 PDT 77.0°F 73.0°F +4.0° 48.0
2026-10-06 22:00 PDT 80.0°F 74.0°F +6.0° 48.0
2026-10-06 21:00 PDT 83.0°F 77.0°F +6.0° 48.0
2026-10-06 20:00 PDT 86.0°F 82.0°F +4.0° 48.0
2026-10-06 19:00 PDT 91.0°F 87.0°F +4.0° 48.0
2026-10-06 18:00 PDT 96.0°F 96.0°F +0.0° 48.0
2026-10-06 17:00 PDT 101.0°F 99.0°F +2.0° 48.0
2026-10-06 16:00 PDT 100.0°F 99.0°F +1.0° 48.0
2026-10-06 15:00 PDT 99.0°F 99.0°F +0.0° 48.0
2026-10-06 14:00 PDT 98.0°F 95.0°F +3.0° 48.0
2026-10-06 13:00 PDT 94.0°F 92.0°F +2.0° 48.0
2026-10-06 12:00 PDT 89.0°F 88.0°F +1.0° 48.0
2026-10-06 11:00 PDT 85.0°F 84.0°F +1.0° 48.0
2026-10-06 10:00 PDT 79.0°F 79.0°F +0.0° 48.0
2026-10-06 09:00 PDT 72.0°F 73.0°F -1.0° 48.0
2026-10-06 08:00 PDT 66.0°F 63.0°F +3.0° 48.0
2026-10-06 07:00 PDT 66.0°F 62.0°F +4.0° 48.0
2026-10-06 06:00 PDT 67.0°F 63.0°F +4.0° 48.0
2026-10-06 05:00 PDT 67.0°F 63.0°F +4.0° 48.0
2026-10-06 04:00 PDT 68.0°F 63.0°F +5.0° 48.0
2026-10-06 03:00 PDT 69.0°F 66.0°F +3.0° 48.0
2026-10-06 02:00 PDT 70.0°F 66.0°F +4.0° 48.0
2026-10-06 01:00 PDT 74.0°F 67.0°F +7.0° 48.0
2026-10-06 00:00 PDT 75.0°F 69.0°F +6.0° 48.0
2026-10-05 23:00 PDT 77.0°F 70.0°F +7.0° 48.0
2026-10-05 22:00 PDT 80.0°F 73.0°F +7.0° 48.0
2026-10-05 21:00 PDT 83.0°F 78.0°F +5.0° 48.0
2026-10-05 20:00 PDT 87.0°F 80.0°F +7.0° 48.0
2026-10-05 19:00 PDT 91.0°F 87.0°F +4.0° 48.0
2026-10-05 18:00 PDT 95.0°F 97.0°F -2.0° 48.0
2026-10-05 17:00 PDT 100.0°F 99.0°F +1.0° 48.0
2026-10-05 16:00 PDT 99.0°F 99.0°F +0.0° 48.0
2026-10-05 15:00 PDT 99.0°F 97.0°F +2.0° 48.0
2026-10-05 14:00 PDT 98.0°F 95.0°F +3.0° 48.0
2026-10-05 13:00 PDT 94.0°F 91.0°F +3.0° 48.0
2026-10-05 12:00 PDT 90.0°F 87.0°F +3.0° 48.0
2026-10-05 11:00 PDT 84.0°F 83.0°F +1.0° 48.0
2026-10-05 10:00 PDT 78.0°F 78.0°F +0.0° 48.0
2026-10-05 09:00 PDT 71.0°F 72.0°F -1.0° 48.0
2026-10-05 08:00 PDT 65.0°F 61.0°F +4.0° 48.0
2026-10-05 07:00 PDT 65.0°F 61.0°F +4.0° 48.0
2026-10-05 06:00 PDT 66.0°F 62.0°F +4.0° 48.0
2026-10-05 05:00 PDT 66.0°F 63.0°F +3.0° 48.0
2026-10-05 04:00 PDT 67.0°F 64.0°F +3.0° 48.0
2026-10-05 03:00 PDT 69.0°F 68.0°F +1.0° 48.0
2026-10-05 02:00 PDT 70.0°F 66.0°F +4.0° 48.0
2026-10-05 01:00 PDT 72.0°F 67.0°F +5.0° 48.0
2026-10-05 00:00 PDT 71.0°F 69.0°F +2.0° 48.0
2026-10-04 23:00 PDT 72.0°F 71.0°F +1.0° 48.0
2026-10-04 22:00 PDT 76.0°F 74.0°F +2.0° 48.0
2026-10-04 21:00 PDT 80.0°F 74.0°F +6.0° 48.0
2026-10-04 20:00 PDT 83.0°F 79.0°F +4.0° 48.0
2026-10-04 19:00 PDT 87.0°F 84.0°F +3.0° 48.0
2026-10-04 18:00 PDT 91.0°F 89.0°F +2.0° 48.0
2026-10-04 17:00 PDT 94.0°F 93.0°F +1.0° 48.0

Daily high / low

Earliest forecast that already covers the local date (morning low and afternoon high), not the first overnight hour at the edge of the hourly window, vs finalized calendar-day max/min (only after the local day ends). Click a date to see how the high/low forecast evolved toward the actual.

Local date Fcst high Act high High err Fcst low Act low Low err
2026-10-11 72.0°F 74.0°F -2.0° 51.0°F 47.0°F +4.0°
2026-10-10 75.0°F 72.0°F +3.0° 59.0°F 56.0°F +3.0°
2026-10-09 90.0°F 87.0°F +3.0° 63.0°F 60.0°F +3.0°
2026-10-08 99.0°F 99.0°F +0.0° 63.0°F 60.0°F +3.0°
2026-10-07 99.0°F 99.0°F +0.0° 64.0°F 63.0°F +1.0°
2026-10-06 101.0°F 99.0°F +2.0° 66.0°F 62.0°F +4.0°
2026-10-05 100.0°F 99.0°F +1.0° 66.0°F 61.0°F +5.0°
2026-10-04 94.0°F 95.0°F -1.0° 66.0°F 62.0°F +4.0°
2026-10-03 97.0°F 98.0°F -1.0° 63.0°F 61.0°F +2.0°
2026-10-02 90.0°F 93.0°F -3.0° 62.0°F 59.0°F +3.0°
2026-10-01 94.0°F 94.0°F +0.0° 59.0°F 56.0°F +3.0°
2026-09-30 91.0°F 92.0°F -1.0° 60.0°F 57.0°F +3.0°
2026-09-29 94.0°F 95.0°F -1.0° 58.0°F 54.0°F +4.0°
2026-09-28 85.0°F 86.0°F -1.0° 53.0°F 50.0°F +3.0°