Sunday, 12 April 2026

Day-before forecast (lead 1) vs full day actual.

PirateWeather
snapshot 00:00
Aeris BOM
snapshot 00:00
Actual (Station)
Max Temp 27.2°C (-0.2) 28.9°C (+1.5) 29.0°C (+1.6) 27.4°C
Min Temp 16.5°C (+2.0) 10.0°C (-4.5) 16.0°C (+1.5) 14.5°C
Wind (avg) 13.3 km/h (+2.3) 14.0 km/h (+3.0) 12.6 km/h (+1.6) 11.0 km/h
Wind (gust) 27.8 km/h (-11.1) 25.0 km/h (-13.9) 28.0 km/h (-10.9) 38.9 km/h
Rain 0.0 pts (+0.0)
0%
0.0 pts (+0.0)
0%
0.0 pts (+0.0)
0%
0.0 pts
Rain type none ✓ none ✓ none ✓ none
Wins 3/6 2/6 5/6
BOM closest overall
Sunday, 12 April 2026 — forecast by lead day (6 days out → same day)
LeadPirateWeatherAerisBOM
8 Apr (lead 4)0.4 pts (+0.4)0.0 pts (+0.0)0.0 pts (+0.0)
9 Apr (lead 3)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
10 Apr (lead 2)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
11 Apr (lead 1)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
12 Apr (lead 0, same day)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
Actual0.0 pts
Hourly Temperature (°C)
Rain Probability (%)

Monday, 13 April 2026 (today) (83% of day)

Yesterday's forecast (lead 1) vs today's actual so far. BOM uses earliest available snapshot for today.

PirateWeather
snapshot 00:00
Aeris BOM
snapshot 00:00
Actual (Station)
Max Temp 24.6°C (-0.3) 27.1°C (+2.2) 27.0°C (+2.1) 24.9°C
Min Temp 15.2°C (+7.1) 9.7°C (+1.6) 9.0°C (+0.9) 8.1°C
Wind (avg) 12.8 km/h (+2.0) 14.0 km/h (+3.2) 11.5 km/h (+0.7) 10.8 km/h
Wind (gust) 23.6 km/h (-18.9) 25.0 km/h (-17.5) 28.0 km/h (-14.5) 42.5 km/h
Rain 0.0 pts (+0.0)
0%
0.0 pts (+0.0)
0%
0.0 pts (+0.0)
0%
0.0 pts
Rain type none ✓ none ✓ none ✓ none
Wins 3/6 2/6 5/6
BOM closest overall
Monday, 13 April 2026 — forecast by lead day (6 days out → same day)
LeadPirateWeatherAerisBOM
9 Apr (lead 4)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
10 Apr (lead 3)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
11 Apr (lead 2)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
12 Apr (lead 1)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
13 Apr (lead 0, same day)0.0 pts (+0.0)0.0 pts (+0.0)0.0 pts (+0.0)
Actual0.0 pts
Hourly Temperature (°C)
Rain Probability (%)

Forecast Accuracy — Lead-1 (Day-ahead)

Day-before forecast vs actual station data. Rain listed first (most important). Green = closest. Avg error = average absolute error across all days (lower is better). 1 pt = 0.254 mm. Rain category: % of days where the forecast fell in the same rain band as the actual (none <0.2 mm, trace 0.2–2 mm, light 2–10 mm, moderate 10–25 mm, heavy >25 mm) — higher % is better.

7 days: 6 Apr 2026 – 12 Apr 2026

MetricPirateWeatherAerisBOM
Rain — avg error0.0 pts
6/7 days closest
0.0 pts
7/7 days closest
0.0 pts
7/7 days closest
Rain category — correct days7/7 days (100%)7/7 days (100%)7/7 days (100%)
Max Temp — avg error1.4°C
2/7 days closest
0.8°C
5/7 days closest
0.9°C
3/7 days closest
Min Temp — avg error2.2°C
0/7 days closest
1.4°C
3/7 days closest
1.1°C
4/7 days closest
Wind avg — avg error2.8 km/h
2/7 days closest
2.3 km/h
4/7 days closest
3.1 km/h
3/7 days closest
Wind gust — avg error13.6 km/h
2/7 days closest
10.7 km/h
3/7 days closest
10.4 km/h
4/7 days closest
Day wins0/7 days2/7 days1/7 days
Aeris most accurate overall

Forecast Accuracy by Lead Day

Wins out of 6 metrics (Rain MAE, Rain category, Max Temp, Min Temp, Wind avg, Wind gust) at each forecast distance. Click a row for full detail. Green = most wins.

LeadPirateWeatherAerisBOM
Lead 6
7d  ▼ details
1/63/64/6
Lead 5
7d  ▼ details
2/65/62/6
Lead 4
7d  ▼ details
2/66/62/6
Lead 3
7d  ▼ details
2/64/64/6
Lead 2
7d  ▼ details
2/64/64/6
Lead 1
7d  ▼ details
2/64/64/6
Lead 0 (same day)
7d  ▼ details
3/64/63/6

Click a row to expand full metric detail.

Forecast Evolution

How each model's forecast for a day changed as that day got closer. Lead-4 = 4 days before, Lead-0 = same day. Last column is actual station data. Green = closest to actual. Red = furthest away. No colour = middle.