Weather in Belfast - 14-day forecast

Detailed weather forecast for Belfast, Ireland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Belfast

today☀️ 24°💧 4.2 mm

Thu🌤️ 23°💧 7.7 mm

Fri☁️ 23°💧 0.1 mm

Sat☁️ 18°💧 1.4 mm

Sun☀️ 18°💧 1.2 mm

Mon☀️ 18°💧 0.3 mm

Tue☀️ 19°💧 3.3 mm

Wed🌤️ 21°💧 12.8 mm

⚠️ Weather warnings - Belfast

✅ No active weather warnings for Belfast (region: Fair-Belfast). The national weather service is not forecasting dangerous conditions.

14-day forecast - Belfast

📅 Belfast 30 & 45-day weather - long-range outlook

Next 16 days · forecast

18°

around 13° at night · days with rain: 13

Weeks 3-4 · avg for July

20°

around 13° at night · rain chance 57%

Weeks 5-7 · avg for August

18°

around 12° at night · rain chance 65%

The 30 & 45-day outlook for Belfast: the next 16 days are a numerical forecast updated daily - on average 18° by day and 13° at night. Further out we rely on multi-year climate averages: around 20° in July, and about 18° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Belfast

Wednesday8 July 2026

☀️24°clear sky

sunrise 04:58 · sunset 21:59 · night 17° · evening 24° · rain 4.17 mm · humidity 64% · wind 4 m/s · clouds 1%

Thursday9 July 2026

🌤️23°scattered clouds

sunrise 04:59 · sunset 21:58 · night 15° · evening 23° · rain 7.68 mm · humidity 66% · wind 3 m/s · clouds 46%

Friday10 July 2026

☁️23°overcast clouds

sunrise 05:01 · sunset 21:57 · night 13° · evening 20° · rain 0.12 mm · humidity 71% · wind 5 m/s · clouds 98%

Saturday11 July 2026

☁️18°overcast clouds

sunrise 05:02 · sunset 21:56 · night 16° · evening 18° · rain 1.44 mm · humidity 77% · wind 5 m/s · clouds 100%

Sunday12 July 2026

☀️18°clear sky

sunrise 05:03 · sunset 21:55 · night 13° · evening 19° · rain 1.17 mm · humidity 57% · wind 5 m/s · clouds 28%

Monday13 July 2026

☀️18°clear sky

sunrise 05:04 · sunset 21:54 · night 14° · evening 19° · rain 0.33 mm · humidity 52% · wind 5 m/s · clouds 12%

Tuesday14 July 2026

☀️19°clear sky

sunrise 05:06 · sunset 21:53 · night 16° · evening 20° · rain 3.33 mm · humidity 58% · wind 5 m/s · clouds 6%

Wednesday15 July 2026

🌤️21°a few clouds

sunrise 05:07 · sunset 21:52 · night 16° · evening 20° · rain 12.75 mm · humidity 56% · wind 7 m/s · clouds 22%

Thursday16 July 2026

☁️22°overcast clouds

sunrise 05:08 · sunset 21:50 · night 16° · evening 22° · rain 2.04 mm · humidity 54% · wind 4 m/s · clouds 98%

Friday17 July 2026

☀️22°clear sky

sunrise 05:10 · sunset 21:49 · night 11° · evening 17° · rain 3.87 mm · humidity 57% · wind 7 m/s · clouds 85%

Saturday18 July 2026

☁️16°overcast clouds

sunrise 05:11 · sunset 21:48 · night 9° · evening 15° · rain 1.56 mm · humidity 52% · wind 5 m/s · clouds 100%

Sunday19 July 2026

🌧️16°light rain

sunrise 05:13 · sunset 21:47 · night 10° · evening 11° · rain 1.05 mm · humidity 56% · wind 3 m/s · clouds 100%

Monday20 July 2026

🌧️11°moderate rain

sunrise 05:14 · sunset 21:45 · night 10° · evening 10° · rain 20.58 mm · humidity 98% · wind 8 m/s · clouds 100%

Tuesday21 July 2026

🌧️11°light rain

sunrise 05:16 · sunset 21:44 · night 11° · evening 13° · rain 4.68 mm · humidity 91% · wind 7 m/s · clouds 100%

Wednesday22 July 2026

🌧️17°light rain

sunrise 05:17 · sunset 21:42 · night 10° · evening 15° · rain 0.75 mm · humidity 53% · wind 6 m/s · clouds 90%

Thursday23 July 2026

🌧️14°light rain

sunrise 05:19 · sunset 21:41 · night 13° · evening 13° · rain 2.28 mm · humidity 82% · wind 4 m/s · clouds 100%

☀️ UV index in Belfast - is it safe to sunbathe?

Today the UV index in Belfast is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

🌿 Pollen in Belfast - info for allergy sufferers

Today grasses pollen is highest in Belfast - about 49 grains/m³, high level. Allergy sufferers should limit time outdoors on dry, windy days and take medication as advised. Pollen levels are a CAMS model forecast and are indicative.

Air quality and smog in Belfast

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Dublin	7.6	11.4	very good
Cork City	6	8.8	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 02:00).

Belfast weather through the year

Warmest, driest months on average: May, June, July, August.

🎉 Public holidays in Belfast - when are the long weekends?

Next long weekend in Belfast: August Holiday (3 August, Monday) - Saturday–Monday (3 days off).

3 AugustMonday

August Holiday

🎈 long weekend

26 OctoberMonday

October Holiday

🎈 long weekend

25 DecemberFriday

Christmas Day

🎈 long weekend

26 DecemberSaturday

St. Stephen's Day

falls on a weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

1 FebruaryMonday 2027

Saint Brigid's Day

🎈 long weekend

17 MarchWednesday 2027

Saint Patrick's Day

29 MarchMonday 2027

Easter Monday

🎈 long weekend

3 MayMonday 2027

May Day

🎈 long weekend

7 JuneMonday 2027

June Holiday

🎈 long weekend

2 AugustMonday 2027

August Holiday

🎈 long weekend

25 OctoberMonday 2027

October Holiday

🎈 long weekend

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

SwordsDublin

FAQ - Belfast weather

What is the weather like in Belfast today?

Today it is about 24° during the day and 17° at night, clear sky.

How far ahead can I check the forecast for Belfast?

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.