Weather in Sanktgallen - 14-day forecast

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

Forecast for the next days in Sanktgallen

today☁️ 22°💧 0.6 mm

Thu🌤️ 24°💧 0.6 mm

Fri☀️ 24°💧 0.2 mm

Sat☀️ 25°💧 0.2 mm

Sun☁️ 24°💧 0.6 mm

Mon☁️ 25°💧 0.4 mm

Tue☁️ 26°💧 0.7 mm

Wed🌤️ 25°💧 0.5 mm

⚠️ Weather warnings - Sanktgallen

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

14-day forecast - Sanktgallen

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

Next 16 days · forecast

23°

around 17° at night · days with rain: 5

Weeks 3-4 · avg for July

24°

around 15° at night · rain chance 58%

Weeks 5-7 · avg for August

24°

around 15° at night · rain chance 57%

The 30 & 45-day outlook for Sanktgallen: the next 16 days are a numerical forecast updated daily - on average 23° by day and 17° at night. Further out we rely on multi-year climate averages: around 24° in July, and about 24° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Sanktgallen

Wednesday8 July 2026

☁️22°overcast clouds

sunrise 05:34 · sunset 21:20 · night 21° · evening 22° · rain 0.64 mm · humidity 57% · wind 4 m/s · clouds 93%

Thursday9 July 2026

🌤️24°a few clouds

sunrise 05:35 · sunset 21:20 · night 17° · evening 24° · rain 0.57 mm · humidity 60% · wind 4 m/s · clouds 20%

Friday10 July 2026

☀️24°clear sky

sunrise 05:36 · sunset 21:19 · night 18° · evening 25° · rain 0.18 mm · humidity 54% · wind 4 m/s · clouds 13%

Saturday11 July 2026

☀️25°clear sky

sunrise 05:37 · sunset 21:19 · night 17° · evening 23° · rain 0.15 mm · humidity 54% · wind 3 m/s · clouds 10%

Sunday12 July 2026

☁️24°overcast clouds

sunrise 05:38 · sunset 21:18 · night 18° · evening 23° · rain 0.6 mm · humidity 57% · wind 3 m/s · clouds 100%

Monday13 July 2026

☁️25°broken clouds

sunrise 05:39 · sunset 21:17 · night 20° · evening 24° · rain 0.36 mm · humidity 43% · wind 3 m/s · clouds 73%

Tuesday14 July 2026

☁️26°broken clouds

sunrise 05:39 · sunset 21:17 · night 16° · evening 22° · rain 0.66 mm · humidity 47% · wind 4 m/s · clouds 53%

Wednesday15 July 2026

🌤️25°a few clouds

sunrise 05:40 · sunset 21:16 · night 19° · evening 24° · rain 0.45 mm · humidity 49% · wind 2 m/s · clouds 14%

Thursday16 July 2026

🌧️27°heavy rain

sunrise 05:41 · sunset 21:15 · night 17° · evening 17° · rain 29.49 mm · humidity 47% · wind 5 m/s · clouds 85%

Friday17 July 2026

🌧️14°moderate rain

sunrise 05:42 · sunset 21:14 · night 14° · evening 14° · rain 34.14 mm · humidity 92% · wind 4 m/s · clouds 100%

Saturday18 July 2026

🌧️23°light rain

sunrise 05:44 · sunset 21:13 · night 18° · evening 21° · rain 0.51 mm · humidity 53% · wind 4 m/s · clouds 13%

Sunday19 July 2026

🌧️24°light rain

sunrise 05:45 · sunset 21:12 · night 19° · evening 24° · rain 0.12 mm · humidity 47% · wind 3 m/s · clouds 32%

Monday20 July 2026

🌧️28°light rain

sunrise 05:46 · sunset 21:11 · night 17° · evening 18° · rain 2.61 mm · humidity 47% · wind 7 m/s · clouds 1%

Tuesday21 July 2026

🌧️13°moderate rain

sunrise 05:47 · sunset 21:10 · night 11° · evening 13° · rain 19.44 mm · humidity 94% · wind 4 m/s · clouds 99%

Wednesday22 July 2026

☁️17°overcast clouds

sunrise 05:48 · sunset 21:09 · night 15° · evening 17° · rain 1.76 mm · humidity 60% · wind 5 m/s · clouds 100%

Thursday23 July 2026

☁️20°broken clouds

sunrise 05:49 · sunset 21:08 · night 20° · evening 20° · humidity 52% · wind 2 m/s · clouds 52%

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

Today the UV index in Sanktgallen is 5 (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 Sanktgallen - info for allergy sufferers

Today grasses pollen is highest in Sanktgallen - about 85 grains/m³, very 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 Sanktgallen

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Genewa	4.8	6.2	very good
Lozanna	4.1	5.7	very good
Zurych	4	6.1	very good
Bazylea	3.9	5.2	very good
Berno	3.7	4.9	very good

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

Sanktgallen weather through the year

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

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

Next long weekend in Sanktgallen: Christmas Day (25 December, Friday) - Friday–Sunday (3 days off).

1 AugustSaturday

Swiss National Day

falls on a weekend

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

6 MayThursday 2027

Ascension Day

🎈 long weekend + bridge day

1 AugustSunday 2027

Swiss National Day

falls on a weekend

25 DecemberSaturday 2027

Christmas Day

falls on a 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

WinterthurZurich

FAQ - Sanktgallen weather

What is the weather like in Sanktgallen today?

Today it is about 22° during the day and 21° at night, overcast clouds.

How far ahead can I check the forecast for Sanktgallen?

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.