Weather in Spa - 14-day forecast

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

Forecast for the next days in Spa

today☁️ 22°💧 0.8 mm

Thu☀️ 25°💧 2.9 mm

Fri☁️ 27°💧 4.5 mm

Sat☀️ 29°💧 0.4 mm

Sun☁️ 29°💧 23.6 mm

Mon🌤️ 28°💧 0.2 mm

Tue☀️ 28°💧 5.3 mm

Wed🌤️ 29°💧 3.7 mm

⚠️ Weather warnings - Spa

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

14-day forecast - Spa

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

Next 16 days · forecast

24°

around 18° at night · days with rain: 10

Weeks 3-4 · avg for July

26°

around 14° at night · rain chance 47%

Weeks 5-7 · avg for August

24°

around 12° at night · rain chance 53%

The 30 & 45-day outlook for Spa: the next 16 days are a numerical forecast updated daily - on average 24° by day and 18° at night. Further out we rely on multi-year climate averages: around 26° in July, and about 24° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Spa

Wednesday8 July 2026

☁️22°broken clouds

sunrise 05:34 · sunset 21:48 · night 16° · evening 23° · rain 0.81 mm · humidity 65% · wind 4 m/s · clouds 80%

Thursday9 July 2026

☀️25°clear sky

sunrise 05:35 · sunset 21:48 · night 18° · evening 26° · rain 2.91 mm · humidity 43% · wind 4 m/s · clouds 2%

Friday10 July 2026

☁️27°broken clouds

sunrise 05:36 · sunset 21:47 · night 18° · evening 27° · rain 4.5 mm · humidity 35% · wind 4 m/s · clouds 53%

Saturday11 July 2026

☀️29°clear sky

sunrise 05:37 · sunset 21:46 · night 21° · evening 27° · rain 0.36 mm · humidity 31% · wind 4 m/s · clouds 67%

Sunday12 July 2026

☁️29°broken clouds

sunrise 05:38 · sunset 21:46 · night 19° · evening 25° · rain 23.55 mm · humidity 36% · wind 5 m/s · clouds 58%

Monday13 July 2026

🌤️28°scattered clouds

sunrise 05:39 · sunset 21:45 · night 19° · evening 25° · rain 0.21 mm · humidity 25% · wind 4 m/s · clouds 25%

Tuesday14 July 2026

☀️28°clear sky

sunrise 05:40 · sunset 21:44 · night 20° · evening 25° · rain 5.34 mm · humidity 24% · wind 5 m/s · clouds 3%

Wednesday15 July 2026

🌤️29°scattered clouds

sunrise 05:41 · sunset 21:43 · night 21° · evening 26° · rain 3.69 mm · humidity 26% · wind 5 m/s · clouds 49%

Thursday16 July 2026

☁️30°overcast clouds

sunrise 05:42 · sunset 21:42 · night 18° · evening 22° · rain 0.75 mm · humidity 34% · wind 6 m/s · clouds 92%

Friday17 July 2026

🌧️25°light rain

sunrise 05:44 · sunset 21:41 · night 16° · evening 23° · rain 2.7 mm · humidity 42% · wind 4 m/s · clouds 100%

Saturday18 July 2026

🌤️27°a few clouds

sunrise 05:45 · sunset 21:40 · night 15° · evening 24° · rain 0.3 mm · humidity 29% · wind 5 m/s · clouds 18%

Sunday19 July 2026

☁️25°overcast clouds

sunrise 05:46 · sunset 21:39 · night 24° · evening 28° · rain 7.53 mm · humidity 36% · wind 5 m/s · clouds 90%

Monday20 July 2026

🌧️18°moderate rain

sunrise 05:47 · sunset 21:38 · night 17° · evening 18° · rain 3.42 mm · humidity 93% · wind 5 m/s · clouds 100%

Tuesday21 July 2026

🌧️16°light rain

sunrise 05:48 · sunset 21:37 · night 14° · evening 16° · rain 3.84 mm · humidity 86% · wind 6 m/s · clouds 84%

Wednesday22 July 2026

🌧️11°light rain

sunrise 05:50 · sunset 21:35 · night 12° · evening 14° · rain 9.51 mm · humidity 97% · wind 7 m/s · clouds 96%

Thursday23 July 2026

🌧️20°light rain

sunrise 05:51 · sunset 21:34 · night 18° · evening 18° · rain 0.15 mm · humidity 45% · wind 3 m/s · clouds 100%

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

Today the UV index in Spa is 6 (moderate) - unprotected fair skin can burn in about 35 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

🌿 Pollen in Spa - info for allergy sufferers

Today grasses pollen is highest in Spa - about 26 grains/m³, moderate level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Air quality and smog in Spa

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Gandawa	12.3	16.9	very good
Bruksela	10.2	15.4	very good
Antwerpia	9.9	15.1	very good
Charleroi	9	13.4	very good
Namur	8.2	12.2	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 03:00).

Spa weather through the year

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

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

Next long weekend in Spa: Belgian National Day (21 July, Tuesday) - Saturday–Tuesday if you take Monday off (4 days).

21 JulyTuesday

Belgian National Day

🎈 long weekend + bridge day

15 AugustSaturday

Assumption Day

falls on a weekend

1 NovemberSunday

All Saints' Day

falls on a weekend

11 NovemberWednesday

Armistice Day

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

28 MarchSunday 2027

Easter Sunday

falls on a weekend

29 MarchMonday 2027

Easter Monday

🎈 long weekend

1 MaySaturday 2027

Labour Day

falls on a weekend

6 MayThursday 2027

Ascension Day

🎈 long weekend + bridge day

17 MayMonday 2027

Whit Monday

🎈 long weekend

21 JulyWednesday 2027

Belgian National Day

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

VerviersLiègeMaastrichtBastogneNamur

FAQ - Spa weather

What is the weather like in Spa today?

Today it is about 22° during the day and 16° at night, broken clouds.

How far ahead can I check the forecast for Spa?

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.