Today, 12 September, Saturday, in Willemstad (Curaçao): cloudy, light rain in places, hot. During the day the air will warm up to +31°, at night around +28°. Wind up to 28 km/h. Brief rain is possible — an umbrella won't hurt. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 06:24 and set at 18:38 — daylight lasts 12 hours.
Hourly weather in Willemstad
2%01
6%02
14%03
23%04
29%05
29%06
25%07
22%08
21%09
20%10
18%11
14%12
8%13
4%14
2%15
1%16
0%17
0%18
0%19
0%20
0%21
1%22
2%23
3%00
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Willemstad for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
🌦️
💧 29%
+28°+31°
Morning
🌤️
+29°
Day
🌦️
+31°
Evening
🌇
+29°
Night
🌙
+28°
Drizzle · precipitation 29% · wind up to 28 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Tomorrow 13.9
⛈️
💧 69%
+27°+31°
Morning
🌦️
+28°
Day
⛈️
+31°
Evening
🌇
+29°
Night
🌙
+27°
Thunderstorm · precipitation 69% · wind up to 28 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Mon 14.9
⛈️
💧 42%
+27°+31°
Morning
⛈️
+28°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+27°
Thunderstorm · precipitation 42% · wind up to 26 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Tue 15.9
☁️
💧 4%
+28°+31°
Morning
☁️
+29°
Day
☁️
+31°
Evening
🌇
+30°
Night
🌙
+28°
Overcast · precipitation 4% · wind up to 24 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Wed 16.9
🌦️
💧 25%
+28°+31°
Morning
🌦️
+29°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+28°
Drizzle · precipitation 25% · wind up to 25 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 17.9
🌦️
💧 22%
+28°+31°
Morning
🌦️
+29°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+28°
Drizzle · precipitation 22% · wind up to 24 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 18.9
⛅
💧 10%
+28°+31°
Morning
⛅
+29°
Day
⛅
+31°
Evening
🌇
+30°
Night
🌙
+28°
Partly cloudy · precipitation 10% · wind up to 27 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sat 19.9
☁️
💧 22%
+28°+32°
Morning
☁️
+29°
Day
☁️
+32°
Evening
🌇
+31°
Night
🌙
+28°
Overcast · precipitation 22% · wind up to 27 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sun 20.9
☁️
💧 2%
+28°+32°
Morning
☁️
+29°
Day
☁️
+32°
Evening
🌇
+31°
Night
🌙
+28°
Overcast · precipitation 2% · wind up to 21 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Mon 21.9
☁️
💧 2%
+28°+32°
Morning
☁️
+29°
Day
☁️
+32°
Evening
🌇
+31°
Night
🌙
+28°
Overcast · precipitation 2% · wind up to 23 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tue 22.9
🌦️
💧 8%
+28°+32°
Morning
🌦️
+29°
Day
🌦️
+32°
Evening
🌇
+31°
Night
🌙
+28°
Drizzle · precipitation 8% · wind up to 23 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Wed 23.9
⛈️
💧 29%
+27°+31°
Morning
⛈️
+28°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+27°
Thunderstorm · precipitation 29% · wind up to 28 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 24.9
⛈️
💧 43%
+28°+31°
Morning
⛈️
+29°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+28°
Thunderstorm · precipitation 43% · wind up to 26 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 25.9
🌦️
💧 43%
+28°+31°
Morning
🌦️
+29°
Day
🌦️
+31°
Evening
🌇
+30°
Night
🌙
+28°
Drizzle · precipitation 43% · wind up to 21 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
67 / 100
for sea and sun · Good
🏊 Swimming
53 / 100
water 29° · Average
🏃 Running
7 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
29%
possible · low
✨ Stars
68 / 100
evening visibility · Good
🧺 Laundry drying
36 / 100
will dry outside · So-so
🚗 Car wash
60 / 100
no rain expected · Average
🌫️ Air quality
44
Moderate air
European AQI
PM2.5: 23PM10: 58O₃: 47NO₂: 1
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.
🌅 Sun, moon and sea
Sunrise
06:24
Sunset
18:38
Golden hour
18:10
Daylight
12 h (-1 min vs yesterday)
Sea temperature
+29°
🌊 slight, waves 1.2 m.
Willemstad climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+27°
+25°
Jan
+27°
+25°
Feb
+27°
+25°
Mar
+28°
+26°
Apr
+28°
+26°
May
+28°
+26°
Jun
+28°
+26°
Jul
+29°
+27°
Aug
+29°
+27°
Sep
+29°
+26°
Oct
+28°
+26°
Nov
+27°
+25°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+27°
+25°
+27°
49 mm
Warm and comfortable: +27° by day, +25° at night. 😊 light summer clothing. Water at +27° — great for swimming. This is the coldest month of the year.
February
+27°
+25°
+27°
25 mm
Gentle warmth — about +27° daytime, great walking weather. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
March
+27°
+25°
+27°
22 mm
A comfortable month: +27° by day without exhausting heat. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
April
+28°
+26°
+27°
32 mm
Warm and comfortable: +28° by day, +26° at night. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
May
+28°
+26°
+28°
38 mm
Gentle warmth — about +28° daytime, great walking weather. 😊 light summer clothing. Water at +28° — great for swimming.
June
+28°
+26°
+28°
45 mm
A comfortable month: +28° by day without exhausting heat. 😊 light summer clothing. Water at +28° — great for swimming. The longest daylight hours of the year — more time for everything.
July
+28°
+26°
+28°
48 mm
Warm and comfortable: +28° by day, +26° at night. 😊 light summer clothing. Water at +28° — great for swimming.
August
+29°
+27°
+29°
49 mm
Gentle warmth — about +29° daytime, great walking weather. 😊 light summer clothing. Water at +29° — great for swimming.
September
+29°
+27°
+30°
66 mm
A comfortable month: +29° by day without exhausting heat. One of the wettest months (66 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Willemstad.
October
+29°
+26°
+30°
109 mm
Warm and comfortable: +29° by day, +26° at night. It's a rainy month (109 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. The sea is at its warmest of the year this month.
November
+28°
+26°
+29°
151 mm
Gentle warmth — about +28° daytime, great walking weather. Frequent rain (151 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. Statistically the wettest month of the year.
December
+27°
+25°
+28°
88 mm
A comfortable month: +27° by day without exhausting heat. One of the wettest months (88 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming. The shortest daylight of the year — it gets dark early.
When to visit Willemstad
✅ Recommended time to visit
🌟 Best time: February, March, April
Daytime air+27…+28°
Sea temperature+27…+27°
Precipitationrare
Why: comfortable +27…+28° by day, little rain, warm sea (+27…27°).
⚠️ Doable, with caveats
🌤️ Shoulder season: January, May, June, July, August, September
Daytime air+27…+29°
Sea temperature+27…+30°
Precipitationoften
Why: already/still hot (+27…+29°) but bearable; fewer crowds, lower prices.
🔴 Not the best time
🌤️ Shoulder season: October, November, December
Daytime air+27…+29°
Sea temperature+28…+30°
Precipitationoften
Why: the rainy season (88–151 mm/month) — downpours almost daily.
Bottom line: the best time to visit Willemstad is February – April, and the most comfortable months are February, March, April. The toughest months to visit are October, November, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+31°
Normal for September
+29°
Deviation
2° warmer than normal
A year ago on this day
+32°
Record for this date
+33° (2023)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Willemstad
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.