Cities / Guyana / Upper Demerara-Berbice

25°

🌦️ Fort Nassau weather

Light rain. Light rain starting around 7:00am.

Feels like 30° Wind 1 km/h W Humidity 90% UV 8 Air Good ☀ 05:45 - 18:00

Right now it is 25° in Fort Nassau with light rain, it feels more like 30°, today's high is 31° with an overnight low of 23° and about 5.6 mm of rain is expected. The sun rises at 05:45 and sets at 18:00, giving 12h 15m of daylight. Over the coming week highs range from 36° to 37° - a steady stretch with little day-to-day change.

Fort Nassau is in Upper Demerara-Berbice, Guyana, sitting 4 m above sea level. Local time is America/Guyana (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

22° 27° 31° 31° 22° 07:00 · 24.8° · 0.6 mm 08:00 · 25.9° · 0 mm 09:00 · 26.4° · 0 mm 10:00 · 27.2° · 0 mm 11:00 · 28.9° · 0 mm 12:00 · 30.7° · 0 mm 13:00 · 30.3° · 1.4 mm 14:00 · 29° · 1.5 mm 15:00 · 27.6° · 1.2 mm 16:00 · 25.6° · 0.8 mm 17:00 · 25.1° · 0 mm 18:00 · 24.6° · 0 mm 19:00 · 23.8° · 0 mm 20:00 · 23.5° · 0 mm 21:00 · 23.3° · 0 mm 22:00 · 23.2° · 0 mm 23:00 · 23.4° · 0 mm 00:00 · 23.5° · 0 mm 01:00 · 23.5° · 0 mm 02:00 · 23° · 0 mm 03:00 · 22.9° · 0 mm 04:00 · 22.6° · 2.2 mm 05:00 · 22.4° · 2 mm 06:00 · 22.5° · 0.2 mm

Precipitation

07:00 · 0.6 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 1.4 mm 13:00 14:00 · 1.5 mm 15:00 · 1.2 mm 16:00 · 0.8 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 2.2 mm 04:00 05:00 · 2 mm 06:00 · 0.2 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
07:00 🌦️ 24.8° 29.9° 0.6 mm Light rain
08:00 ☁️ 25.9° 31° - Overcast
09:00 ☁️ 26.4° 31.4° - Overcast
10:00 ☁️ 27.2° 32.4° - Overcast
11:00 ☁️ 28.9° 33.7° - Overcast
12:00 ⛅ 30.7° 34.5° - Partly cloudy
13:00 🌧️ 30.3° 36.2° 1.4 mm Rain
14:00 🌧️ 29° 34.6° 1.5 mm Rain
15:00 🌧️ 27.6° 33.4° 1.2 mm Rain
16:00 🌦️ 25.6° 30.7° 0.8 mm Light rain
17:00 ☁️ 25.1° 30.1° - Overcast
18:00 ⛅ 24.6° 29.5° - Partly cloudy

Next 16 days

Today🌧️ 31°23°5.6mm Wed 26🌧️ 36°22°4.4mm Thu 27☀️ 36°23° Fri 28🌦️ 36°25°0.7mm Sat 29🌧️ 36°23°6.5mm Sun 30🌦️ 37°24°1.5mm Mon 31☀️ 36°24° Tue 1⛅ 35°24° Wed 2⛅ 37°23° Thu 3🌦️ 36°25°0.9mm Fri 4⛅ 35°24°0.6mm Sat 5🌧️ 32°24°6.3mm Sun 6🌦️ 37°24°0.9mm Mon 7🌧️ 33°23°8.4mm Tue 8🌦️ 34°23°5.1mm Wed 9⛅ 0°0°
🌧️ TodayAugust 25th Avg 25° Low 23° at 22:00 High 31° at 12:00 5.6 mm rain Feels 35° Wind ~6 km/h
Partly Cloudy Cloudy Rain Cloudy
00:00 24°
02:00 24°
04:00 23°
06:00 23° 0.1mm
08:00 26°
10:00 27°
12:00 31°
14:00 29° 1.5mm
16:00 26° 0.8mm
18:00 25°
20:00 24°
22:00 23°
🌧️ WednesdayAugust 26th Avg 27° Low 22° at 05:00 High 36° at 13:00 4.4 mm rain Feels 38° Wind ~9 km/h
Cloudy Rain Partly Cloudy Clear Cloudy Clear
00:00 24°
02:00 23°
04:00 23° 2.2mm
06:00 23° 0.2mm
08:00 25°
10:00 31°
12:00 35°
14:00 34°
16:00 30°
18:00 28°
20:00 26°
22:00 25°
☀️ ThursdayAugust 27th Avg 28° Low 23° at 05:00 High 36° at 14:00 Feels 38° Wind ~14 km/h
Clear Clear
00:00 25°
02:00 24°
04:00 24°
06:00 23°
08:00 28°
10:00 32°
12:00 35°
14:00 36°
16:00 34°
18:00 28°
20:00 26°
22:00 26°
🌦️ FridayAugust 28th Avg 29° Low 25° at 23:00 High 36° at 13:00 0.7 mm rain Wind ~14 km/h
Clear Clear Clear
00:00 26°
02:00 26°
04:00 25° 0.7mm
06:00 25°
08:00 29°
10:00 32°
12:00 35°
14:00 33°
16:00 33°
18:00 28°
20:00 26°
22:00 25°
🌧️ SaturdayAugust 29th Avg 27° Low 23° at 06:00 High 36° at 13:00 6.5 mm rain Wind ~11 km/h
Clear Rain Clear Cloudy
00:00 25°
02:00 24°
04:00 23° 2.2mm
06:00 23° 1mm
08:00 26° 0.8mm
10:00 32°
12:00 35°
14:00 35°
16:00 29°
18:00 28°
20:00 25°
22:00 25°
🌦️ SundayAugust 30th Avg 29° Low 24° at 04:00 High 37° at 14:00 1.5 mm rain Feels 39° Wind ~12 km/h
Clear Partly Cloudy Rain
00:00 25°
02:00 24°
04:00 24°
06:00 25°
08:00 28°
10:00 32°
12:00 35°
14:00 37°
16:00 34°
18:00 30°
20:00 26°
22:00 25° 0.5mm
☀️ MondayAugust 31st Avg 28° Low 24° at 04:00 High 36° at 14:00 Wind ~12 km/h
Clear
00:00 25°
02:00 25°
04:00 24°
06:00 25°
08:00 27°
10:00 32°
12:00 35°
14:00 36°
16:00 33°
18:00 29°
20:00 26°
22:00 26°
⛅ TuesdaySeptember 1st Avg 28° Low 24° at 23:00 High 35° at 12:00 Wind ~16 km/h
Cloudy Partly Cloudy Partly Cloudy Cloudy
00:00 26°
02:00 26°
04:00 26°
06:00 27°
08:00 29°
10:00 33°
12:00 35°
14:00 33°
16:00 29°
18:00 26°
20:00 26°
22:00 25°
⛅ WednesdaySeptember 2nd Avg 29° Low 23° at 04:00 High 37° at 14:00 Wind ~11 km/h
Clear Partly Cloudy Cloudy
00:00 24°
02:00 24°
04:00 23°
06:00 25°
08:00 29°
10:00 33°
12:00 36°
14:00 37°
16:00 33°
18:00 29°
20:00 26°
22:00 27°
🌦️ ThursdaySeptember 3rd Avg 29° Low 25° at 23:00 High 36° at 12:00 0.9 mm rain Wind ~16 km/h
Partly Cloudy Cloudy Clear Rain
00:00 27°
02:00 26°
04:00 26°
06:00 27°
08:00 29°
10:00 34°
12:00 36°
14:00 35°
16:00 33°
18:00 29°
20:00 26°
22:00 25° 0.3mm
⛅ FridaySeptember 4th Avg 28° Low 24° at 04:00 High 35° at 14:00 0.6 mm rain Feels 38° Wind ~13 km/h
Clear Rain Cloudy Partly Cloudy Rain
00:00 25°
02:00 25°
04:00 24°
06:00 25°
08:00 28°
10:00 31° 0.1mm
12:00 34°
14:00 35°
16:00 33°
18:00 30°
20:00 27°
22:00 25° 0.1mm
🌧️ SaturdaySeptember 5th Avg 27° Low 24° at 04:00 High 32° at 11:00 6.3 mm rain Feels 36° Wind ~14 km/h
Cloudy Rain Partly Cloudy Rain
00:00 24°
02:00 24°
04:00 24°
06:00 26°
08:00 29°
10:00 31° 0.8mm
12:00 32° 1.2mm
14:00 31° 1.2mm
16:00 31°
18:00 29°
20:00 25°
22:00 24° 0.1mm
🌦️ SundaySeptember 6th Avg 28° Low 24° at 04:00 High 37° at 13:00 0.9 mm rain Wind ~13 km/h
Cloudy Rain Partly Cloudy Cloudy Rain Cloudy
00:00 24°
02:00 24°
04:00 24°
06:00 25° 0.1mm
08:00 27° 0.1mm
10:00 32°
12:00 36°
14:00 37°
16:00 33°
18:00 29° 0.2mm
20:00 25° 0.2mm
22:00 25°
🌧️ MondaySeptember 7th Avg 27° Low 23° at 23:00 High 33° at 13:00 8.4 mm rain Feels 35° Wind ~13 km/h
Rain Cloudy Rain
00:00 25°
02:00 25°
04:00 24° 0.9mm
06:00 24° 1.2mm
08:00 26° 1.2mm
10:00 30° 0.1mm
12:00 32°
14:00 33°
16:00 30°
18:00 28°
20:00 26°
22:00 24° 0.6mm
🌦️ TuesdaySeptember 8th Avg 27° Low 23° at 04:00 High 34° at 11:00 5.1 mm rain Feels 36° Wind ~14 km/h
Cloudy Rain Partly Cloudy Cloudy Rain
00:00 23°
02:00 23°
04:00 23° 0.3mm
06:00 24°
08:00 27°
10:00 32°
12:00 34°
14:00 32°
16:00 31°
18:00 28° 0.8mm
20:00 24° 0.8mm
22:00 24° 0.6mm
⛅ WednesdaySeptember 9th Avg 28° Low 0° at 00:00 High 0° at 12:00 Feels 36° Wind ~14 km/h
Cloudy Partly Cloudy Partly Cloudy Clear Unknown
00:00 24°
02:00 24°
04:00 24°
06:00 25°
08:00 27°
10:00 32°
12:00 34°
14:00 32°
16:00 31°
18:00 28°
20:00 26°
22:00 0°

Sun

☀️ Sunrise 05:45 · Sunset 18:00

12h 15m of daylight · America/Guyana

Air quality

PM2.5 3.1 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Bartica · 4.6 km Sandhills · 11 km Hitia · 11.3 km GNS Kimbia · 17.5 km Zion · 22.9 km Barakara · 23.5 km

Tools for Fort Nassau

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Fort Nassau weather

Will it rain in Fort Nassau today?

Yes - about 5.6 mm of rain is expected in Fort Nassau today.

What is the temperature in Fort Nassau right now?

It is 25° in Fort Nassau right now, though it feels closer to 30°. Today runs between a low of 23° and a high of 31°.

What time is sunrise and sunset in Fort Nassau?

The sun rises at 05:45 and sets at 18:00 local time in Fort Nassau today, giving 12h 15m of daylight.

What is the air quality in Fort Nassau?

PM2.5 in Fort Nassau is currently 3.1 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Fort Nassau forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Fort Nassau best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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