Weather in Sligo - 14-day forecast

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

Forecast for the next days in Sligo

today☀️ 20°💧 5.6 mm

Thu☁️ 19°💧 2.2 mm

Fri☁️ 18°💧 0.8 mm

Sat☁️ 20°💧 23 mm

Sun☀️ 22°💧 0.9 mm

Mon☀️ 21°💧 0.3 mm

Tue☁️ 23°💧 2.1 mm

Wed☁️ 23°💧 0.2 mm

⚠️ Weather warnings - Sligo

✅ No active weather warnings for Sligo (region: County Sligo). The national weather service is not forecasting dangerous conditions.

14-day forecast - Sligo

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

Next 16 days · forecast

18°

around 14° at night · days with rain: 11

Weeks 3-4 · avg for July

17°

around 14° at night · rain chance 34%

Weeks 5-7 · avg for August

17°

around 13° at night · rain chance 34%

The 30 & 45-day outlook for Sligo: the next 16 days are a numerical forecast updated daily - on average 18° by day and 14° at night. Further out we rely on multi-year climate averages: around 17° in July, and about 17° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Sligo

Wednesday8 July 2026

☀️20°clear sky

sunrise 05:10 · sunset 22:07 · night 16° · evening 20° · rain 5.61 mm · humidity 71% · wind 3 m/s · clouds 5%

Thursday9 July 2026

☁️19°overcast clouds

sunrise 05:12 · sunset 22:06 · night 15° · evening 20° · rain 2.22 mm · humidity 79% · wind 3 m/s · clouds 100%

Friday10 July 2026

☁️18°overcast clouds

sunrise 05:13 · sunset 22:05 · night 14° · evening 17° · rain 0.81 mm · humidity 84% · wind 4 m/s · clouds 100%

Saturday11 July 2026

☁️20°broken clouds

sunrise 05:14 · sunset 22:04 · night 16° · evening 21° · rain 22.95 mm · humidity 54% · wind 3 m/s · clouds 51%

Sunday12 July 2026

☀️22°clear sky

sunrise 05:15 · sunset 22:03 · night 17° · evening 22° · rain 0.9 mm · humidity 64% · wind 3 m/s · clouds 6%

Monday13 July 2026

☀️21°clear sky

sunrise 05:16 · sunset 22:02 · night 15° · evening 22° · rain 0.3 mm · humidity 46% · wind 3 m/s · clouds 23%

Tuesday14 July 2026

☁️23°broken clouds

sunrise 05:18 · sunset 22:01 · night 16° · evening 22° · rain 2.07 mm · humidity 46% · wind 5 m/s · clouds 58%

Wednesday15 July 2026

☁️23°broken clouds

sunrise 05:19 · sunset 22:00 · night 17° · evening 22° · rain 0.15 mm · humidity 54% · wind 6 m/s · clouds 81%

Thursday16 July 2026

☁️23°broken clouds

sunrise 05:20 · sunset 21:59 · night 15° · evening 20° · rain 5.04 mm · humidity 52% · wind 3 m/s · clouds 69%

Friday17 July 2026

☀️17°clear sky

sunrise 05:22 · sunset 21:58 · night 12° · evening 16° · rain 3.84 mm · humidity 73% · wind 5 m/s · clouds 9%

Saturday18 July 2026

☁️15°overcast clouds

sunrise 05:23 · sunset 21:56 · night 11° · evening 15° · rain 2.43 mm · humidity 58% · wind 5 m/s · clouds 99%

Sunday19 July 2026

🌧️11°light rain

sunrise 05:25 · sunset 21:55 · night 11° · evening 11° · rain 6 mm · humidity 80% · wind 3 m/s · clouds 100%

Monday20 July 2026

🌧️12°light rain

sunrise 05:26 · sunset 21:54 · night 10° · evening 11° · rain 7.47 mm · humidity 94% · wind 6 m/s · clouds 100%

Tuesday21 July 2026

🌧️14°light rain

sunrise 05:28 · sunset 21:52 · night 11° · evening 13° · rain 1.83 mm · humidity 76% · wind 7 m/s · clouds 98%

Wednesday22 July 2026

🌧️15°light rain

sunrise 05:29 · sunset 21:51 · night 11° · evening 14° · rain 1.47 mm · humidity 69% · wind 5 m/s · clouds 79%

Thursday23 July 2026

🌧️14°light rain

sunrise 05:31 · sunset 21:49 · night 13° · evening 13° · rain 0.78 mm · humidity 75% · wind 2 m/s · clouds 100%

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

Today the UV index in Sligo is 4 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

🌿 Pollen in Sligo - info for allergy sufferers

Today grasses pollen is highest in Sligo - about 44 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.

🌊 Sea temperature - Sligo

Water today

17°C

Week avg

18°C

Waves today

0.7 m

How's the water?

cold

16-day sea temperature forecast:

8.07 17°C9.07 18°C10.07 18°C11.07 18°C12.07 18°C13.07 18°C14.07 18°C15.07 19°C16.07 19°C

Average sea temperature through the year:

Jan 7°CFeb 8°CMar 8°CApr 10°CMay 14°CJun 16°CJul 17°CAug 17°CSep 16°COct 13°CNov 11°CDec 9°C

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

Air quality and smog in Sligo

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).

Sligo weather through the year

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

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

Next long weekend in Sligo: 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

AthloneGalway

FAQ - Sligo weather

What is the weather like in Sligo today?

Today it is about 20° during the day and 16° at night, clear sky.

How far ahead can I check the forecast for Sligo?

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.