Weather in Guinea-Bissau - today, tomorrow and 14-day forecast

Right now temperatures across Guinea-Bissau range from 28° to 28°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Next days in Guinea-Bissau

today🌧️ 30°💧 22.7 mm

Thu🌧️ 31°💧 2.6 mm

Fri🌧️ 31°💧 2.9 mm

Sat🌧️ 31°💧 13 mm

Sun🌧️ 32°💧 11.4 mm

Mon🌧️ 31°💧 5.6 mm

Tue🌧️ 33°💧 8.3 mm

Wed🌧️ 29°💧 14.9 mm

14-day forecast - Guinea-Bissau

📅 Guinea-Bissau 30 & 45-day weather - long-range outlook

Next 16 days · forecast

30°

around 25° at night · days with rain: 16

Weeks 3-4 · avg for July

31°

around 24° at night · rain chance 48%

Weeks 5-7 · avg for August

30°

around 24° at night · rain chance 78%

The 30 & 45-day outlook for Guinea-Bissau: the next 16 days are a numerical forecast updated daily - on average 30° by day and 25° at night. Further out we rely on multi-year climate averages: around 31° in July, and about 30° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Guinea-Bissau

Wednesday8 July 2026

🌧️30°heavy rain

sunrise 06:41 · sunset 19:29 · night 26° · evening 29° · rain 22.65 mm · humidity 64% · wind 6 m/s · clouds 100%

Thursday9 July 2026

🌧️31°light rain

sunrise 06:41 · sunset 19:29 · night 26° · evening 28° · rain 2.64 mm · humidity 61% · wind 4 m/s · clouds 100%

Friday10 July 2026

🌧️31°moderate rain

sunrise 06:42 · sunset 19:29 · night 27° · evening 30° · rain 2.94 mm · humidity 58% · wind 5 m/s · clouds 100%

Saturday11 July 2026

🌧️31°moderate rain

sunrise 06:42 · sunset 19:29 · night 25° · evening 27° · rain 13.01 mm · humidity 58% · wind 4 m/s · clouds 95%

Sunday12 July 2026

🌧️32°moderate rain

sunrise 06:42 · sunset 19:29 · night 25° · evening 29° · rain 11.38 mm · humidity 60% · wind 4 m/s · clouds 100%

Monday13 July 2026

🌧️31°moderate rain

sunrise 06:42 · sunset 19:29 · night 26° · evening 28° · rain 5.56 mm · humidity 65% · wind 3 m/s · clouds 100%

Tuesday14 July 2026

🌧️33°moderate rain

sunrise 06:43 · sunset 19:29 · night 25° · evening 28° · rain 8.25 mm · humidity 58% · wind 4 m/s · clouds 96%

Wednesday15 July 2026

🌧️29°moderate rain

sunrise 06:43 · sunset 19:29 · night 24° · evening 26° · rain 14.88 mm · humidity 68% · wind 4 m/s · clouds 100%

Thursday16 July 2026

🌧️30°light rain

sunrise 06:43 · sunset 19:29 · night 25° · evening 28° · rain 1.82 mm · humidity 65% · wind 4 m/s · clouds 99%

Friday17 July 2026

🌧️30°light rain

sunrise 06:43 · sunset 19:29 · night 27° · evening 28° · rain 1.45 mm · humidity 67% · wind 4 m/s · clouds 77%

Saturday18 July 2026

🌧️32°light rain

sunrise 06:44 · sunset 19:29 · night 26° · evening 29° · rain 1.01 mm · humidity 55% · wind 5 m/s · clouds 54%

Sunday19 July 2026

🌧️30°light rain

sunrise 06:44 · sunset 19:28 · night 25° · evening 28° · rain 7.33 mm · humidity 67% · wind 4 m/s · clouds 52%

Monday20 July 2026

🌧️31°moderate rain

sunrise 06:44 · sunset 19:28 · night 25° · evening 28° · rain 16.75 mm · humidity 61% · wind 3 m/s · clouds 79%

Tuesday21 July 2026

🌧️25°moderate rain

sunrise 06:44 · sunset 19:28 · night 23° · evening 24° · rain 16.68 mm · humidity 92% · wind 2 m/s · clouds 100%

Wednesday22 July 2026

🌧️29°moderate rain

sunrise 06:45 · sunset 19:28 · night 25° · evening 28° · rain 11.25 mm · humidity 70% · wind 3 m/s · clouds 85%

Thursday23 July 2026

🌧️29°light rain

sunrise 06:45 · sunset 19:28 · night 29° · evening 29° · rain 2.51 mm · humidity 74% · wind 4 m/s · clouds 100%

🌊 Sea temperature - Guinea-Bissau

Beach	Water today	Water week avg	Waves	How's the water?
Bissau	31℃	31℃	0.2 m	very warm

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Guinea-Bissau weather through the year

Guinea-Bissau weather month by month - when is the best time to go?

January (32°)February (34°)March (34°)April (34°)May (34°)June (32°)July (31°)August (30°)September (31°)October (32°)November (32°)December (31°)

FAQ - Guinea-Bissau weather

What is the weather like in Guinea-Bissau today?

Today it is about 30° during the day and 26° at night, heavy rain.

How far ahead can I check the forecast for Guinea-Bissau?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.