Hottest day
29ºC
Tuesday, 11/03
5 ºC above the month's average
My city
No official warning is active for this municipality right now. That does not guarantee everything is fine: see the rest of the page.
23º14º
Today: high / lowno rain forecast today
Official warnings
No official warning is active for this municipality right now. Warnings for the whole country are in the Storms and alerts section.
Week highlights
Air now in Rio de Janeiro: IQAr 21 (good).
Hottest day
29ºC
Tuesday, 11/03
5 ºC above the month's average
Coldest night
14ºC
Wednesday, 10/28
2 ºC below the month's average
Rainiest day
30.5mm
Friday, 10/30
54.9 mm in total this week
Strongest wind gust
34km/h
Saturday, 10/31
Highest UV
8.7very high
Monday, 11/02
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 | 0 mm | 23 ºC | 14 ºC | 8.4 | 23 km/h | 37 |
| Thu, 10/29 | 10.2 mm | 21 ºC | 15 ºC | 8.1 | 19 km/h | 44 |
| Fri, 10/30 | 30.5 mm | 24 ºC | 17 ºC | 6.8 | 21 km/h | 85 |
| Sat, 10/31 | 1.3 mm | 23 ºC | 17 ºC | 8.6 | 34 km/h | 95 |
| Sun, 11/01 | 5.1 mm | 23 ºC | 17 ºC | 7.3 | 28 km/h | 143 |
| Mon, 11/02 | 3.6 mm | 27 ºC | 17 ºC | 8.7 | 26 km/h | – |
| Tue, 11/03 | 4.2 mm | 29 ºC | 18 ºC | 8 | 32 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
215.4mm
258% of the whole month's normal (83.6 mm)
The city's climate
The average for each month from 1991 to 2020. The current month is highlighted.
Rivers nearby
Tijuca · 19 km away
Level now: 0.89 m · No reference
Guapiaçu · 74 km away
Level now: 0.91 m · No reference
Paraíba do Sul · 87 km away
Level now: 1.71 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
No likely hotspot within 50 km in the last 24 h.
CEMADEN rain gauges within 30 km: the highest 24 h total was 1.2 mm (33 stations with data).
On the official September 2026 map, Rio de Janeiro is in the monitored area with no drought.
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)
Thu 11:00 to 14:00
0.7 mm over the period, at most 0.3 mm in one hour · 58% chance
Thu 16:00 to Fri 17:00
39.8 mm over the period, at most 4.9 mm in one hour · 100% chance
Source: Open-Meteo.com. Model forecast, updated every 3 hours: the timing may change.
Most rain in one day
39.3mm
39.3 mm on September 10, in the last 90 days
Days in a row without rain
It rained on the latest day with data.
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.
Hottest
36.3ºC
in October 2020
Coldest
5.7ºC
in June 1994
Most rain in one day
163.9mm
in January 1998
Source: Open-Meteo.com, ERA5 reanalysis (a grid of about 25 km). These are model values for the city's area, not official records from INMET stations.