Chance of Wrong · forecast accuracy

Tracking Xweather forecasts vs actuals for 50 US state capitals

Locations
50
US state capitals
Hourly obs
83
4032 forecast rows
Temp MAE (7d)
2.00°
34 matched hours
Last good run
2026-07-14 07:03 UTC
ok

Accuracy by capital

Mean absolute error (°F) using the earliest stored forecast for each hour vs the observed temperature. Lower is better. Ranked best → worst.

Capital Samples MAE °F Bias °F Avg lead (h)
Indianapolis IN 1 0.00 0.00 1.0
Des Moines IA 1 0.00 0.00 1.0
Frankfort KY 1 0.00 0.00 1.0
Augusta ME 1 0.00 0.00 1.0
Montgomery AL 1 1.00 1.00 1.0
Little Rock AR 1 1.00 -1.00 1.0
Sacramento CA 1 1.00 -1.00 1.0
Hartford CT 1 1.00 -1.00 1.0
Tallahassee FL 1 1.00 1.00 1.0
Honolulu HI 1 1.00 -1.00 1.0
Boise ID 1 1.00 1.00 1.0
Baton Rouge LA 1 1.00 1.00 1.0
Annapolis MD 1 1.00 1.00 1.0
Boston MA 1 1.00 1.00 1.0
Lansing MI 1 1.00 1.00 1.0
Saint Paul MN 1 1.00 1.00 1.0
Jackson MS 1 1.00 1.00 1.0
Jefferson City MO 1 1.00 1.00 1.0
Albany NY 1 1.00 -1.00 1.0
Raleigh NC 1 1.00 -1.00 1.0
Bismarck ND 1 1.00 1.00 1.0
Dover DE 1 2.00 -2.00 1.0
Atlanta GA 1 2.00 -2.00 1.0
Springfield IL 1 2.00 2.00 1.0
Topeka KS 1 2.00 2.00 1.0
Helena MT 1 2.00 -2.00 1.0
Lincoln NE 1 2.00 2.00 1.0
Trenton NJ 1 2.00 -2.00 1.0
Santa Fe NM 1 2.00 -2.00 1.0
Concord NH 1 3.00 -3.00 1.0
Juneau AK 1 4.00 4.00 1.0
Denver CO 1 6.00 6.00 1.0
Carson City NV 1 9.00 9.00 1.0
Phoenix AZ 1 13.00 13.00 1.0

Recent hour matches

Each row pairs an observation with the earliest forecast we had for that hour.

When (UTC) City Forecast Actual Error Lead (h)
2026-07-14 07:00 UTC Montgomery AL 74.0°F 73.0°F +1.0° 1.0
2026-07-14 07:00 UTC Juneau AK 56.0°F 52.0°F +4.0° 1.0
2026-07-14 07:00 UTC Phoenix AZ 94.0°F 81.0°F +13.0° 1.0
2026-07-14 07:00 UTC Little Rock AR 75.0°F 76.0°F -1.0° 1.0
2026-07-14 07:00 UTC Sacramento CA 75.0°F 76.0°F -1.0° 1.0
2026-07-14 07:00 UTC Denver CO 81.0°F 75.0°F +6.0° 1.0
2026-07-14 07:00 UTC Hartford CT 70.0°F 71.0°F -1.0° 1.0
2026-07-14 07:00 UTC Dover DE 66.0°F 68.0°F -2.0° 1.0
2026-07-14 07:00 UTC Tallahassee FL 75.0°F 74.0°F +1.0° 1.0
2026-07-14 07:00 UTC Atlanta GA 72.0°F 74.0°F -2.0° 1.0
2026-07-14 07:00 UTC Honolulu HI 77.0°F 78.0°F -1.0° 1.0
2026-07-14 07:00 UTC Boise ID 83.0°F 82.0°F +1.0° 1.0
2026-07-14 07:00 UTC Springfield IL 70.0°F 68.0°F +2.0° 1.0
2026-07-14 07:00 UTC Indianapolis IN 72.0°F 72.0°F +0.0° 1.0
2026-07-14 07:00 UTC Des Moines IA 73.0°F 73.0°F +0.0° 1.0
2026-07-14 07:00 UTC Topeka KS 72.0°F 70.0°F +2.0° 1.0
2026-07-14 07:00 UTC Frankfort KY 71.0°F 71.0°F +0.0° 1.0
2026-07-14 07:00 UTC Baton Rouge LA 76.0°F 75.0°F +1.0° 1.0
2026-07-14 07:00 UTC Augusta ME 68.0°F 68.0°F +0.0° 1.0
2026-07-14 07:00 UTC Annapolis MD 72.0°F 71.0°F +1.0° 1.0
2026-07-14 07:00 UTC Boston MA 73.0°F 72.0°F +1.0° 1.0
2026-07-14 07:00 UTC Lansing MI 72.0°F 71.0°F +1.0° 1.0
2026-07-14 07:00 UTC Saint Paul MN 78.0°F 77.0°F +1.0° 1.0
2026-07-14 07:00 UTC Jackson MS 75.0°F 74.0°F +1.0° 1.0
2026-07-14 07:00 UTC Jefferson City MO 69.0°F 68.0°F +1.0° 1.0
2026-07-14 07:00 UTC Helena MT 74.0°F 76.0°F -2.0° 1.0
2026-07-14 07:00 UTC Lincoln NE 73.0°F 71.0°F +2.0° 1.0
2026-07-14 07:00 UTC Carson City NV 73.0°F 64.0°F +9.0° 1.0
2026-07-14 07:00 UTC Concord NH 68.0°F 71.0°F -3.0° 1.0
2026-07-14 07:00 UTC Trenton NJ 68.0°F 70.0°F -2.0° 1.0
2026-07-14 07:00 UTC Santa Fe NM 69.0°F 71.0°F -2.0° 1.0
2026-07-14 07:00 UTC Albany NY 68.0°F 69.0°F -1.0° 1.0
2026-07-14 07:00 UTC Raleigh NC 71.0°F 72.0°F -1.0° 1.0
2026-07-14 07:00 UTC Bismarck ND 80.0°F 79.0°F +1.0° 1.0