Tomorrow in São Paulo (Congonhas): Warm, with thunderstorms possible, high of 25°

Sunday 1 November at Congonhas–Deputado Freitas Nobre Airport (CGH), Brazil

Tomorrow at CGH

High25°

Likely 23°–28°

Storms possible

Low 17°, likely 16°–18°

82% chance of rain
Wind up to 16 km/h
Humidity 86%

Through the day

Times are local; night hours are shaded. The line is a sketch, not an hour-by-hour forecast: this airport's typical daily temperature cycle, scaled to tomorrow's high and low.

Tomorrow's high should be about the same as today's, and close to the normal high for 1 November. Expect rain at some point in the day (82% chance). Thunderstorms are possible (38%).

How sure we are

Shaded: the likely range (an 80% range). In our tests, eight days in ten ended inside it.

Right now at CGH

21°, mostly cloudy, wind from the south at 26 km/h.

Latest airport report, 14:00 local time.

The details

Chance of rain: 82% normal 48%
Chance of thunder: 38%
Chance of fog: 2%
Strongest wind: 16 km/h
Strongest gust: 16 km/h
Average humidity: 86%
Daytime sky: Rain likely

Chances are for the local day. Rain means rain, drizzle or snow in at least one hourly airport report; fog means fog or visibility under 1 km in at least one. "Normal" is this airport's usual chance for the date. Wind and gust are the strongest of the day.

How our forecasts did here

Each band is the forecast high ±2°, each dot what the airport measured. Highs more than 2° off are in bold. Rained means rain or snow was reported that day.
Day	High forecast	High measured	Low forecast	Low measured	Rain chance	Rained
Fri 30 Oct	23°	22°	17°	17°	96%	Yes
Thu 29 Oct	20°	20°	16°	17°	94%	Yes
Wed 28 Oct	21°	20°	14°	15°	27%	Yes
Tue 27 Oct	19°	20°	13°	13°	32%	No
Sun 25 Oct	25°	21°	18°	17°	86%	Yes
Fri 23 Oct	23°	22°	17°	18°	81%	Yes
Thu 22 Oct	23°	22°	16°	17°	56%	Yes
Wed 21 Oct	24°	21°	14°	14°	19%	No
Tue 20 Oct	21°	21°	13°	14°	25%	No
Sun 18 Oct	21°	22°	14°	15°	57%	No
Sat 17 Oct	24°	19°	17°	16°	55%	Yes
Fri 16 Oct	23°	24°	17°	17°	71%	Yes
Thu 15 Oct	25°	25°	18°	18°	76%	No
Tue 13 Oct	26°	23°	17°	17°	79%	Yes

The forecast high was within 2° on 10 of the last 14 scored days. Days that could not be scored are left out. Forecasts before 27 October did not yet use ECMWF and were less accurate on average.

"Measured" is the highest and lowest hourly airport report of the local day. Official daily highs and lows can differ a little: at US airports the official high averages about 0.4° higher and the official low about 0.5° lower. More

Not for aviation or safety decisions. Disclaimer