Rio de Janeiro, Brazil 14-Day Forecast
Brazil 🇧🇷
73°
Patchy rain nearby right now
Today: high 73°, low 67°
Updated 3 hours ago
Rio de Janeiro weather for the next 14 days
Thursday, August 27
Sunny High 72° Low 68°Precipitation
85%
· 0.46 in
Max wind
11 mph
Humidity
90%
UV index
8 - High
Sunrise / sunset
06:07 AM / 05:41 PM
Friday, August 28
Sunny High 79° Low 66°Precipitation
11%
· 0.0 in
Max wind
10 mph
Humidity
79%
UV index
8 - Very High
Sunrise / sunset
06:06 AM / 05:41 PM
Saturday, August 29
Sunny High 89° Low 72°Precipitation
5%
· 0.0 in
Max wind
10 mph
Humidity
65%
UV index
9 - Very High
Sunrise / sunset
06:05 AM / 05:41 PM
Sunday, August 30
Sunny High 83° Low 71°Precipitation
8%
· 0.0 in
Max wind
12 mph
Humidity
74%
UV index
8 - Very High
Sunrise / sunset
06:04 AM / 05:42 PM
Monday, August 31
Sunny High 91° Low 71°Precipitation
5%
· 0.0 in
Max wind
15 mph
Humidity
70%
UV index
9 - Very High
Sunrise / sunset
06:04 AM / 05:42 PM
Tuesday, September 1
Patchy rain nearby High 74° Low 69°Precipitation
88%
· 0.69 in
Max wind
14 mph
Humidity
88%
UV index
6 - High
Sunrise / sunset
06:03 AM / 05:42 PM
Wednesday, September 2
Light rain shower High 69° Low 66°Precipitation
91%
· 1.34 in
Max wind
15 mph
Humidity
89%
UV index
5 - Moderate
Sunrise / sunset
06:02 AM / 05:42 PM
Thursday, September 3
Patchy rain nearby High 68° Low 66°Precipitation
67%
· 0.04 in
Max wind
11 mph
Humidity
85%
UV index
5 - Moderate
Sunrise / sunset
06:01 AM / 05:43 PM
Friday, September 4
Sunny High 77° Low 66°Precipitation
57%
· 0.04 in
Max wind
8 mph
Humidity
84%
UV index
7 - High
Sunrise / sunset
06:00 AM / 05:43 PM
Saturday, September 5
Light rain shower High 71° Low 68°Precipitation
92%
· 0.68 in
Max wind
12 mph
Humidity
93%
UV index
6 - High
Sunrise / sunset
05:59 AM / 05:43 PM
Sunday, September 6
Light rain shower High 68° Low 66°Precipitation
92%
· 0.46 in
Max wind
10 mph
Humidity
91%
UV index
5 - Moderate
Sunrise / sunset
05:58 AM / 05:44 PM
Monday, September 7
Patchy rain nearby High 73° Low 66°Precipitation
60%
· 0.02 in
Max wind
10 mph
Humidity
90%
UV index
7 - High
Sunrise / sunset
05:57 AM / 05:44 PM
Tuesday, September 8
Patchy rain nearby High 72° Low 69°Precipitation
69%
· 0.04 in
Max wind
11 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:56 AM / 05:44 PM
Rio de Janeiro 14-day outlook: the story
The warmest day of Rio de Janeiro's 14-day outlook is Monday, August 31 with a high near 91°F (33°C); the coolest night comes Friday, September 4, dipping to 66°F (19°C). The trend points cooler: week two runs about 9°F below week one. Highs over the next two weeks average 80°F (27°C), right in line with the typical August high of 78°F (25°C).
Precipitation is most likely on Wednesday 26, Thursday 27, Tuesday 1, Wednesday 2 and beyond; the wettest day looks like Wednesday, September 2 with about 1.34 in (34.1 mm) expected. For the weekend, expect Saturday 89°F (32°C) and sunny / Sunday 83°F (28°C) and sunny.
For typical conditions month by month, see the Rio de Janeiro climate & average temperatures guide.
Rio de Janeiro forecast questions
Will it rain in Rio de Janeiro this week?
The forecast currently shows meaningful precipitation chances on 10 of the next 14 days, peaking around Wednesday, September 2.
What will be the warmest day in Rio de Janeiro over the next 14 days?
Monday, August 31, with a forecast high near 91°F (33°C).
How accurate is a 14-day forecast for Rio de Janeiro?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Rio de Janeiro by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 87° | 75° | 15 | 6.3 in | 10.5 h/day | 79% |
| February | 86° | 75° | 15 | 5.9 in | 10.1 h/day | 81% |
| March | 85° | 74° | 14 | 6.0 in | 10.4 h/day | 82% |
| April | 81° | 71° | 12 | 3.2 in | 10.1 h/day | 81% |
| May | 78° | 68° | 10 | 2.5 in | 9.2 h/day | 81% |
| June | 77° | 66° | 9 | 1.6 in | 9.0 h/day | 80% |
| July | 77° | 65° | 7 | 1.6 in | 9.0 h/day | 79% |
| August | 78° | 64° | 10 | 2.5 in | 9.0 h/day | 78% |
| September | 80° | 67° | 9 | 2.8 in | 9.6 h/day | 79% |
| October | 80° | 69° | 15 | 3.5 in | 9.1 h/day | 81% |
| November | 81° | 70° | 16 | 5.8 in | 9.6 h/day | 82% |
| December | 84° | 73° | 16 | 5.4 in | 10.4 h/day | 82% |