Today
3 Nov
21° 17°
89%8.7 mm
73%
9 weather models · one stack
Buenos Aires weather
Buenos Aires F.D., Argentina
-34.62°, -58.41° · 19 m
Local time 22:16
Confidence 73%
Buenos Aires weather today: 9 models agree with high confidence on a high of 21°C and a low of 17°C. Rain expected: 89% of models agree, about 8.7 mm. Tomorrow: 24°C. Rain expected: 67% of models agree, about 1.4 mm.
The stack
Each row is one weather model, each cell one hour. Same colour across rows = the models agree. Tap a model to hide it; hover for exact values.
16-day consensus
Each coloured line is one model's low→high; the dots are their highs. A tight cluster means a confident forecast.
Wed
4 Nov
24° 16°
67%1.4 mm
51%
Thu
5 Nov
24° 14°
0%0.0 mm
85%
Fri
6 Nov
23° 16°
89%3.0 mm
74%
Sat
7 Nov
18° 11°
22%0.1 mm
67%
Sun
8 Nov
21° 11°
0%0.0 mm
73%
Mon
9 Nov
24° 14°
0%0.0 mm
72%
Tue
10 Nov
26° 18°
0%0.0 mm
81%
Wed
11 Nov
28° 18°
20%0.0 mm
36%
Thu
12 Nov
28° 20°
0%0.0 mm
63%
Fri
13 Nov
27° 21°
25%0.4 mm
55%
Sat
14 Nov
24° 19°
67%1.6 mm
53%
Sun
15 Nov
26° 19°
67%2.8 mm
60%
Mon
16 Nov
22° 18°
67%3.2 mm
60%
Tue
17 Nov
21° 15°
33%0.6 mm
64%
Wed
18 Nov
21° 15°
50%0.6 mm
10%
Model spaghetti
Every model as a line, the bold line is the median, the shaded band the full model range. Rain shows accumulated totals from now.
Model maps around Buenos Aires
ECMWF and GFS rain forecasts over Buenos Aires on synced maps. Drag the divider or press play.
Loading model maps…
What each model says for Buenos Aires
Daily high/low and rain total per model. Blue = at least 1 mm.
| Model | Today | Wed 4 | Thu 5 | Fri 6 | Sat 7 | Sun 8 | Mon 9 |
|---|---|---|---|---|---|---|---|
| Consensus | 21°/17° · 8.7 mm | 24°/16° · 1.4 mm | 24°/14° · 0.0 mm | 23°/16° · 3.0 mm | 18°/11° · 0.1 mm | 21°/11° · 0.0 mm | 24°/14° · 0.0 mm |
| ECMWF | 21°/18° · 15 mm | 24°/16° · 0.1 mm | 24°/13° · 0.0 mm | 23°/16° · 4.0 mm | 18°/11° · 0.0 mm | 21°/11° · 0.0 mm | 23°/14° · 0.0 mm |
| AIFS | 19°/17° · 8.8 mm | 23°/16° · 1.4 mm | 24°/15° · 0.0 mm | 22°/17° · 3.0 mm | 18°/14° · 1.8 mm | 20°/12° · 0.0 mm | 24°/14° · 0.0 mm |
| GFS | 21°/17° · 8.4 mm | 22°/16° · 2.9 mm | 24°/13° · 0.0 mm | 23°/16° · 1.4 mm | 19°/12° · 0.8 mm | 18°/10° · 0.0 mm | 22°/13° · 0.0 mm |
| ICON | 21°/17° · 9.8 mm | 25°/17° · 0.0 mm | 27°/13° · 0.0 mm | 25°/15° · 3.2 mm | 18°/10° · 0.0 mm | 23°/10° · 0.0 mm | 26°/14° · 0.0 mm |
| GEM | 21°/17° · 6.6 mm | 23°/17° · 1.3 mm | 24°/14° · 0.0 mm | 23°/14° · 5.1 mm | 18°/11° · 0.3 mm | 19°/11° · 0.0 mm | 23°/15° · 0.0 mm |
| JMA | 19°/16° · 30 mm | 24°/17° · 23 mm | 25°/16° · 0.0 mm | 25°/17° · 2.2 mm | 17°/14° · 3.2 mm | 23°/12° · 0.0 mm | 27°/16° · 0.0 mm |
| ARPEGE | 21°/18° · 8.7 mm | 22°/16° · 0.5 mm | 23°/14° · 0.0 mm | 22°/17° · 0.8 mm | 18°/12° · 0.1 mm | - | - |
| UKMO | 22°/18° · 1.9 mm | 25°/16° · 3.6 mm | 26°/14° · 0.0 mm | 23°/13° · 1.8 mm | 19°/9° · 0.0 mm | 23°/12° · 0.0 mm | 25°/15° · 0.0 mm |
| CMA | 23°/18° · 0.3 mm | 24°/17° · 24 mm | 24°/14° · 0.0 mm | 24°/14° · 18 mm | 16°/9° · 0.0 mm | - | - |
Where the models disagree: Wednesday
Confidence is only 51/100. CMA brings 24 mm of rain while ICON has 0.0 mm; highs range from 22° (ARPEGE) to 25° (ICON). Check back: the next model runs will usually narrow this down.
Buenos Aires weather: questions
Will it rain in Buenos Aires tomorrow?
Rain expected: 67% of models agree, about 1.4 mm. Across 9 weather models the median total is 1.4 mm, ranging from 0.0 mm to 24 mm.
When will it rain next in Buenos Aires?
The next day most models agree on rain is Tuesday 3 November: 89% of models, about 8.7 mm.
What do ECMWF and GFS say for Buenos Aires today?
ECMWF (the European model) forecasts a high of 21°C with 15 mm of rain; GFS (the American model) says 21°C with 8.4 mm. The median of all 9 models is 21°C.
Which weather model is most accurate for Buenos Aires?
On average ECMWF scores best in global verification beyond 2–3 days, with the UK Met Office close behind. For the first 48 hours, high-resolution regional models (ICON-D2, AROME, HRRR, UKV) often win locally. The most reliable single number is usually the multi-model consensus shown on this page.
How reliable is the Buenos Aires forecast this week?
The least certain day is Wednesday (confidence 51/100): CMA forecasts 24 mm of rain while ICON forecasts 0.0 mm.
Nearby forecasts
Model runs fetched at 00:27 UTC. Sources: ECMWF IFS · ECMWF AIFS · NOAA GFS · DWD ICON · Canadian GEM · JMA GSM · Météo-France ARPEGE / AROME · UK Met Office · CMA GRAPES · Methodology