Bissau, Guinea-Bissau 14-Day Forecast
78°
Overcast right now
Today: high 82°, low 78°
Updated 18 min ago
Bissau weather for the next 14 days
Thursday, August 27
Overcast High 80° Low 77°Precipitation
73%
· 0.07 in
Max wind
12 mph
Humidity
83%
UV index
4 - Moderate
Sunrise / sunset
06:52 AM / 07:15 PM
Friday, August 28
Patchy rain nearby High 83° Low 75°Precipitation
86%
· 1.59 in
Max wind
16 mph
Humidity
81%
UV index
10 - Very High
Sunrise / sunset
06:52 AM / 07:15 PM
Saturday, August 29
Light rain shower High 82° Low 76°Precipitation
88%
· 1.51 in
Max wind
13 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:14 PM
Sunday, August 30
Light rain shower High 83° Low 77°Precipitation
85%
· 0.31 in
Max wind
17 mph
Humidity
83%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:14 PM
Monday, August 31
Overcast High 83° Low 79°Precipitation
52%
· 0.02 in
Max wind
13 mph
Humidity
81%
UV index
7 - High
Sunrise / sunset
06:52 AM / 07:13 PM
Tuesday, September 1
Overcast High 84° Low 82°Precipitation
22%
· 0.0 in
Max wind
11 mph
Humidity
79%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:12 PM
Wednesday, September 2
Light rain shower High 83° Low 80°Precipitation
87%
· 0.43 in
Max wind
10 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:12 PM
Thursday, September 3
Patchy rain nearby High 81° Low 78°Precipitation
71%
· 0.05 in
Max wind
12 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:11 PM
Friday, September 4
Overcast High 81° Low 78°Precipitation
77%
· 0.11 in
Max wind
8 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:10 PM
Saturday, September 5
Sunny High 83° Low 80°Precipitation
11%
· 0.0 in
Max wind
13 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
06:52 AM / 07:10 PM
Sunday, September 6
Overcast High 83° Low 81°Precipitation
73%
· 0.08 in
Max wind
14 mph
Humidity
79%
UV index
6 - High
Sunrise / sunset
06:52 AM / 07:09 PM
Monday, September 7
Light rain shower High 82° Low 80°Precipitation
85%
· 0.38 in
Max wind
12 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
06:51 AM / 07:08 PM
Tuesday, September 8
Patchy rain nearby High 86° Low 79°Precipitation
79%
· 0.18 in
Max wind
12 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
06:51 AM / 07:08 PM
Bissau 14-day outlook: the story
The warmest day of Bissau's 14-day outlook is Tuesday, September 8 with a high near 86°F (30°C); the coolest night comes Friday, August 28, dipping to 75°F (24°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 82°F (28°C), right in line with the typical August high of 83°F (28°C).
Precipitation is most likely on Wednesday 26, Thursday 27, Friday 28, Saturday 29 and beyond; the wettest day looks like Friday, August 28 with about 1.59 in (40.3 mm) expected. For the weekend, expect Saturday 82°F (28°C) and light rain shower / Sunday 83°F (28°C) and light rain shower.
For typical conditions month by month, see the Bissau climate & average temperatures guide.
Bissau forecast questions
Will it rain in Bissau this week?
The forecast currently shows meaningful precipitation chances on 12 of the next 14 days, peaking around Friday, August 28.
What will be the warmest day in Bissau over the next 14 days?
Tuesday, September 8, with a forecast high near 86°F (30°C).
How accurate is a 14-day forecast for Bissau?
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 Bissau by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 91° | 70° | 0 | 0.0 in | 10.5 h/day | 43% |
| February | 93° | 71° | 0 | 0.0 in | 10.8 h/day | 44% |
| March | 93° | 73° | 0 | 0.0 in | 11.2 h/day | 52% |
| April | 91° | 74° | 0 | 0.0 in | 11.7 h/day | 60% |
| May | 90° | 75° | 1 | 0.1 in | 11.2 h/day | 66% |
| June | 88° | 78° | 10 | 2.4 in | 10.2 h/day | 76% |
| July | 83° | 77° | 28 | 16.5 in | 7.8 h/day | 85% |
| August | 83° | 76° | 29 | 19.9 in | 7.5 h/day | 87% |
| September | 84° | 76° | 26 | 13.2 in | 8.2 h/day | 87% |
| October | 87° | 77° | 20 | 5.7 in | 9.7 h/day | 85% |
| November | 89° | 75° | 4 | 0.7 in | 10.4 h/day | 72% |
| December | 91° | 71° | 0 | 0.0 in | 10.1 h/day | 49% |
14-day forecasts nearby