Tempestade
Aviso de Tempestade: Perigo Potencial
until 10/28/26, 11:59 PM
My city
1 active official warning in this municipality.
25º16º
Today: high / low4.7 mm of rain forecast today
Official warnings
Aviso de Tempestade: Perigo Potencial
until 10/28/26, 11:59 PM
Week highlights
Air now in Piracicaba: IQAr 28 (good).
Hottest day
30ºC
Tuesday, 11/03
Coldest night
16ºC
Wednesday, 10/28
Rainiest day
14.6mm
Thursday, 10/29
41.3 mm in total this week
Strongest wind gust
34km/h
Friday, 10/30
Highest UV
9.8very high
Tuesday, 11/03
Each bar runs from the day's low to its high and the colour follows the temperature.
| Day | Rain | High | Low | UV | Gust | IQAr |
|---|---|---|---|---|---|---|
| Wed, 10/28 | 4.7 mm | 25 ºC | 16 ºC | 9.1 | 26 km/h | 55 |
| Thu, 10/29 | 14.6 mm | 22 ºC | 17 ºC | 5.3 | 23 km/h | 62 |
| Fri, 10/30 | 1.9 mm | 27 ºC | 18 ºC | 9.1 | 34 km/h | 63 |
| Sat, 10/31 | 4.5 mm | 27 ºC | 18 ºC | 8.9 | 29 km/h | 112 |
| Sun, 11/01 | 8.4 mm | 28 ºC | 17 ºC | 9.4 | 29 km/h | 99 |
| Mon, 11/02 | 6.6 mm | 28 ºC | 19 ºC | 1.5 | 29 km/h | – |
| Tue, 11/03 | 0.6 mm | 30 ºC | 20 ºC | 9.8 | 24 km/h | – |
Source: Open-Meteo.com (forecast and CAMS model air quality).
Hour-by-hour rain
The next 24 hours, Brasília time. Each column is a full hour and its height is the rain forecast for it.
Recent rain
The last 30 days, up to October 27. Each column is a day and its height is that day's rain; in orange, days with 50 mm or more.
Rain in October, up to 10/27
187mm
The normal rain for this month is not available for this city yet.
Rivers nearby
Jaguari-Mirim · 130 km away
Level now: 1.53 m · Alert
Source: ANA (telemetry); SGB reference levels where they exist. The level is compared with the station's own at this time of year.
Fire, rain and drought
There is 1 likely hotspot within 50 km in the last 24 h; the nearest is 13 km away.
CEMADEN rain gauges within 30 km: the highest 24 h total was 0 mm (2 stations with data).
On the official September 2026 map, Piracicaba is in weak drought (s0).
Sources: INPE and NASA FIRMS (fire), CEMADEN (rain), ANA Drought Monitor.
In an emergency, follow Civil Defense: 199. Fire Department: 193. SAMU: 192.
Dashed: the month's average (1991–2020)Rain (mm)
Wed 11:00 to 13:00
3.8 mm over the period, at most 2.1 mm in one hour · 51% chance
Thu 04:00 to 00:00
14.5 mm over the period, at most 1.9 mm in one hour · 99% chance
Fri 16:00 to 17:00
0.5 mm over the period, at most 0.5 mm in one hour · 63% chance
Source: Open-Meteo.com. Model forecast, updated every 3 hours: the timing may change.
Most rain in one day
40.4mm
40.4 mm on October 25, in the last 90 days
Days in a row without rain
2days
Source: Open-Meteo.com, ERA5 reanalysis (a model, not a rain gauge); the latest day may be corrected later. A day without rain: under 1 mm.