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Weather in Saint Helier — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Saint Helier

☁️

+22°

Overcast

Feels like +22° · humidity 73%

Today 14.8: +27° / +19°

🕐 20:25

Wind

16 km/h

UV index

Air (AQI)

26 · Good

Precipitation

Humidity

73%

Pressure

1017 hPa

Sunrise / sunset

05:59 / 20:27

Sea temperature

🌊 +22°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

💨 Windy

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Saint Helier

Today, 14 August, Friday, in Saint Helier (Jersey): partly cloudy, warm. During the day the air will warm up to +27°, at night around +19°. Due to the wind it feels like +22°. Wind up to 23 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +22° — great for swimming. The sun will rise at 05:59 and set at 20:27 — daylight lasts 14 hours.

Hourly weather in Saint Helier

💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Saint Helier 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 14.8

☁️

💧 5%

+19° +27°

Morning

☁️

+22°

Day

☁️

+27°

Evening

🌇

+25°

Night

🌙

+19°

Overcast · precipitation 5% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 15.8

☁️

+20° +26°

Morning

☁️

+20°

Day

☁️

+26°

Evening

🌇

+24°

Night

🌙

+20°

Overcast · precipitation 0% · wind up to 22 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 16.8

☁️

💧 5%

+19° +27°

Morning

🌤️

+20°

Day

☁️

+27°

Evening

🌇

+22°

Night

🌙

+19°

Overcast · precipitation 5% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 17.8

☁️

💧 3%

+19° +24°

Morning

☁️

+21°

Day

☁️

+24°

Evening

🌇

+23°

Night

🌙

+19°

Overcast · precipitation 3% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 18.8

☁️

💧 10%

+19° +23°

Morning

☁️

+20°

Day

☁️

+23°

Evening

🌇

+22°

Night

🌙

+19°

Overcast · precipitation 10% · wind up to 24 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 19.8

🌦️

💧 18%

+18° +20°

Morning

🌦️

+19°

Day

🌦️

+20°

Evening

🌇

+20°

Night

🌙

+18°

Drizzle · precipitation 18% · wind up to 24 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 20.8

☁️

💧 13%

+17° +20°

Morning

☁️

+18°

Day

☁️

+20°

Evening

🌇

+19°

Night

🌙

+17°

Overcast · precipitation 13% · wind up to 18 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 21.8

☁️

💧 15%

+17° +20°

Morning

☁️

+18°

Day

☁️

+20°

Evening

🌇

+19°

Night

🌙

+17°

Overcast · precipitation 15% · wind up to 17 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 22.8

🌦️

💧 22%

+16° +20°

Morning

🌦️

+17°

Day

🌦️

+20°

Evening

🌇

+19°

Night

🌙

+16°

Drizzle · precipitation 22% · wind up to 15 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 23.8

🌦️

💧 39%

+15° +17°

Morning

🌦️

+16°

Day

🌦️

+17°

Evening

🌇

+17°

Night

🌙

+15°

Drizzle · precipitation 39% · wind up to 15 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 24.8

☁️

💧 29%

+15° +20°

Morning

☁️

+17°

Day

☁️

+20°

Evening

🌇

+19°

Night

🌙

+15°

Overcast · precipitation 29% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tue 25.8

☁️

💧 26%

+16° +24°

Morning

☁️

+19°

Day

☁️

+24°

Evening

🌇

+22°

Night

🌙

+16°

Overcast · precipitation 26% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 26.8

🌦️

💧 33%

+19° +20°

Morning

🌦️

+19°

Day

🌦️

+20°

Evening

🌇

+20°

Night

🌙

+19°

Rain showers · precipitation 33% · wind up to 24 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 27.8

🌦️

💧 30%

+19° +19°

Morning

🌦️

+19°

Day

🌦️

+19°

Evening

🌇

+19°

Night

🌙

+19°

Drizzle · precipitation 30% · wind up to 25 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ 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

86 / 100

for sea and sun · Excellent

🏊 Swimming

71 / 100

water 22° · Good

🏃 Running

62 / 100

comfort for running · Average

🧴 UV

moderate · low

☂️ Rain

unlikely · low

✨ Stars

85 / 100

evening visibility · Excellent

🧺 Laundry drying

61 / 100

will dry outside · Average

🚗 Car wash

89 / 100

no rain expected · Excellent

🌫️ Air quality

Good air

European AQI

PM2.5: 5PM10: 8O₃: 66NO₂: 2

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

05:59

Sunset

20:27

Golden hour

19:43

Daylight

14 h (-3 min vs yesterday)

Sea temperature

+22°

🌊 calm, waves 0.5 m.

Saint Helier 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.

+9°

+7°

Jan

+9°

+6°

Feb

+10°

+7°

Mar

+11°

+9°

Apr

+14°

+11°

May

+16°

+13°

Jun

+18°

+15°

Jul

+19°

+16°

Aug

+18°

+15°

Sep

+15°

+13°

Oct

+12°

+10°

Nov

+10°

+8°

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	+9°	+7°	+9°	108 mm	Winter weather: about +9° daytime, you need a warm coat and hat. Frequent rain (108 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+9°) — swimming is for the brave.
February	+9°	+6°	+9°	80 mm	A cold month: +9° by day, long walks get uncomfortable. One of the wettest months (80 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+9°) — swimming is for the brave. This is the coldest month of the year.
March	+10°	+7°	+10°	69 mm	Cold: +10° by day, down to +7° at night — dress warmly. It's a rainy month (69 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+10°) — swimming is for the brave.
April	+11°	+9°	+12°	57 mm	A fresh month — +11° daytime, take a jacket for walks. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
May	+14°	+11°	+15°	54 mm	Cool weather: +14° by day, noticeably colder in the evening. 🧥 a warm jacket. The water is cold (+15°) — swimming is for the brave.
June	+16°	+13°	+17°	53 mm	Cool: around +16° by day, you'll need a warm layer. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave. The longest daylight hours of the year — more time for everything.
July	+18°	+15°	+19°	49 mm	Ideal weather: +18° daytime — neither hot nor cold. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
August	+19°	+16°	+19°	65 mm	The most pleasant season: +19° by day, comfortable all day long. One of the wettest months (65 mm): downpours can derail plans. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. This is the hottest month of the year in Saint Helier.
September	+18°	+15°	+19°	74 mm	Cool: around +18° by day, you'll need a warm layer. It's a rainy month (74 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing.
October	+15°	+13°	+16°	119 mm	A fresh month — +15° daytime, take a jacket for walks. Frequent rain (119 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+16°) — swimming is for the brave.
November	+12°	+10°	+14°	131 mm	Cool weather: +12° by day, noticeably colder in the evening. One of the wettest months (131 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+14°) — swimming is for the brave.
December	+10°	+8°	+11°	134 mm	Cool: around +10° by day, you'll need a warm layer. It's a rainy month (134 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave. Statistically the wettest month of the year.

When to visit Saint Helier

✅ Recommended time to visit

🌟 Best time: June, July, August

Daytime air+16…+19°

Sea temperature+17…+19°

Precipitationoften

Why: comfortable +16…+19° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, March, April, May, September, October

Daytime air+9…+18°

Sea temperature+9…+19°

Precipitationoften

Why: noticeable rain risk (54–119 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: February, November, December

Daytime air+9…+12°

Sea temperature+9…+14°

Precipitationoften

Why: the rainy season (80–134 mm/month) — downpours almost daily.

Bottom line: the best time to visit Saint Helier is June – August, and the most comfortable months are June, July, August. The toughest months to visit are February, November, December: frequent rain.