Today
3 Nov
23° 18°
78%7.5 mm
66%
9 weather models · one stack
San José weather
Provincia de San José, Costa Rica
9.95°, -84.09° · 1148 m
Local time 19:18
Confidence 66%
San José weather today: 9 models agree with medium confidence on a high of 23°C and a low of 18°C. Rain expected: 78% of models agree, about 7.5 mm. Tomorrow: 25°C. Rain expected: 89% of models agree, about 6.2 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
25° 18°
89%6.2 mm
73%
Thu
5 Nov
25° 18°
89%5.9 mm
75%
Fri
6 Nov
25° 18°
89%14 mm
74%
Sat
7 Nov
24° 18°
100%18 mm
78%
Sun
8 Nov
25° 18°
100%8.4 mm
86%
Mon
9 Nov
26° 18°
86%3.3 mm
71%
Tue
10 Nov
28° 19°
67%2.1 mm
48%
Wed
11 Nov
27° 18°
80%7.8 mm
61%
Thu
12 Nov
26° 18°
100%9.5 mm
88%
Fri
13 Nov
25° 18°
100%14 mm
91%
Sat
14 Nov
24° 18°
100%12 mm
74%
Sun
15 Nov
26° 17°
100%6.0 mm
96%
Mon
16 Nov
25° 18°
100%18 mm
77%
Tue
17 Nov
24° 17°
100%14 mm
91%
Wed
18 Nov
24° 19°
100%8.9 mm
61%
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 San José
ECMWF and GFS rain forecasts over San José on synced maps. Drag the divider or press play.
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What each model says for San José
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 | 23°/18° · 7.5 mm | 25°/18° · 6.2 mm | 25°/18° · 5.9 mm | 25°/18° · 14 mm | 24°/18° · 18 mm | 25°/18° · 8.4 mm | 26°/18° · 3.3 mm |
| ECMWF | 23°/18° · 8.2 mm | 24°/17° · 14 mm | 24°/18° · 3.3 mm | 25°/17° · 18 mm | 24°/17° · 13 mm | 25°/18° · 6.6 mm | 26°/18° · 3.3 mm |
| AIFS | 24°/20° · 13 mm | 25°/20° · 11 mm | 26°/21° · 12 mm | 25°/21° · 19 mm | 25°/21° · 24 mm | 25°/21° · 16 mm | 26°/21° · 11 mm |
| GFS | 23°/17° · 7.5 mm | 25°/17° · 11 mm | 25°/18° · 5.9 mm | 25°/18° · 4.7 mm | 24°/17° · 18 mm | 23°/18° · 6.8 mm | 26°/17° · 20 mm |
| ICON | 23°/19° · 0.3 mm | 23°/19° · 1.7 mm | 25°/18° · 0.0 mm | 26°/17° · 0.7 mm | 24°/18° · 4.2 mm | 26°/19° · 7.2 mm | 28°/19° · 0.0 mm |
| GEM | 23°/18° · 3.0 mm | 25°/19° · 2.1 mm | 26°/18° · 11 mm | 26°/18° · 101 mm | 22°/18° · 29 mm | 25°/17° · 24 mm | 27°/17° · 5.4 mm |
| JMA | 24°/18° · 13 mm | 23°/18° · 16 mm | 25°/18° · 4.9 mm | 24°/18° · 7.2 mm | 24°/18° · 11 mm | 24°/18° · 19 mm | 25°/19° · 1.7 mm |
| ARPEGE | 25°/21° · 0.4 mm | 25°/20° · 0.0 mm | 27°/20° · 9.7 mm | 27°/20° · 14 mm | 27°/20° · 17 mm | - | - |
| UKMO | 22°/17° · 2.1 mm | 25°/18° · 6.2 mm | 25°/18° · 78 mm | 26°/19° · 38 mm | 25°/19° · 34 mm | 24°/19° · 8.4 mm | 26°/18° · 1.8 mm |
| CMA | 23°/19° · 14 mm | 22°/17° · 6.0 mm | 25°/18° · 2.1 mm | 23°/18° · 13 mm | 23°/19° · 33 mm | - | - |
Where the models disagree: Tuesday
Confidence is only 66/100. CMA brings 14 mm of rain while ICON has 0.3 mm; highs range from 22° (UKMO) to 25° (ARPEGE). Check back: the next model runs will usually narrow this down.
San José weather: questions
Will it rain in San José tomorrow?
Rain expected: 89% of models agree, about 6.2 mm. Across 9 weather models the median total is 6.2 mm, ranging from 0.0 mm to 16 mm.
When will it rain next in San José?
The next day most models agree on rain is Tuesday 3 November: 78% of models, about 7.5 mm.
What do ECMWF and GFS say for San José today?
ECMWF (the European model) forecasts a high of 23°C with 8.2 mm of rain; GFS (the American model) says 23°C with 7.5 mm. The median of all 9 models is 23°C.
Which weather model is most accurate for San José?
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 San José forecast this week?
The least certain day is Tuesday (confidence 66/100): CMA forecasts 14 mm of rain while ICON forecasts 0.3 mm.
Nearby forecasts
Model runs fetched at 00:28 UTC. Sources: ECMWF IFS · ECMWF AIFS · NOAA GFS · DWD ICON · Canadian GEM · JMA GSM · Météo-France ARPEGE / AROME · UK Met Office · CMA GRAPES · Methodology