Weather in Czech Republic - today, tomorrow and 14-day forecast

Right now temperatures across Czech Republic range from 16° to 21°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Country values are the median of forecasts from 6 cities; the range shows local differences. Methodology.

Weather in Czech Republic's cities today

🌧️Brno 21°💧 0.9 mm 🌧️Prague 20°💧 3.2 mm 🌧️Karlovy Vary 19°💧 3.6 mm 🌧️Ostrava 18°💧 4.8 mm 🌧️Havirov 17°💧 6.8 mm 🌧️Liberec 16°💧 2 mm

Weather map - today's temperatures

Pill colour shows today's daytime temperature. Click a city for its full 14-day forecast.

Next days in Czech Republic

today🌧️ 18°💧 3.4 mm

Sun☁️ 18°💧 0.3 mm

Mon☁️ 21°💧 3.4 mm

Tue☀️ 25°💧 0.9 mm

Wed🌧️ 21°💧 6 mm

Thu🌧️ 18°💧 6 mm

Fri☁️ 20°💧 13.9 mm

Sat🌧️ 17°💧 3.8 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Sunday 6 Sept in Czech Republic, the forecast high is 18°C. Typical daytime temperatures at this time of year range from 18°C to 25°C, so it will be cooler than usual. It is cooler than 81% of similar days.

Saturday 5 Sept

18°Ccooler than usual

usually 18°C–25°C

cooler than 80% of similar days

night: exceptionally warm rain: more rain than usual wind: stronger than usual

Sunday 6 Sept

18°Ccooler than usual

usually 18°C–25°C

cooler than 81% of similar days

night: warmer than usual rain: typical rainfall wind: typical

Monday 7 Sept

21°Cnear normal

usually 18°C–25°C

night: exceptionally warm rain: more rain than usual wind: exceptionally light

Tuesday 8 Sept

25°Cwarmer than usual

usually 18°C–25°C

warmer than 81% of similar days

night: exceptionally warm rain: typical rainfall wind: typical

Wednesday 9 Sept

21°Cnear normal

usually 18°C–25°C

night: exceptionally warm rain: exceptionally wet wind: typical

Thursday 10 Sept

18°Ccooler than usual

usually 18°C–25°C

cooler than 76% of similar days

night: exceptionally warm rain: exceptionally wet wind: lighter than usual

Friday 11 Sept

20°Cnear normal

usually 17°C–25°C

night: exceptionally warm rain: exceptionally wet wind: typical

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 21°C by day. The coolest year was 1996 (14°C) and the warmest was 2023 (27°C). The current forecast averages 20°C - lower than in 67% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

Weather warnings - Czech Republic

No active weather warnings for Czech Republic. The national weather service is not forecasting dangerous conditions.

14-day forecast - Czech Republic

Czech Republic - 14-day weather forecast infographic

Czech Republic 30 & 45-day weather - long-range outlook

Next 16 days · forecast

20°

around 15° at night · days with rain: 9

Weeks 3-4 · avg for September

19°

around 10° at night · rain chance 50%

Weeks 5-7 · avg for October

14°

around 6° at night · rain chance 49%

The 30 & 45-day outlook for Czech Republic: the next 16 days are a numerical forecast updated daily - on average 20° by day and 15° at night. Further out we rely on multi-year climate averages: around 19° in September, and about 14° in October. Forecasts beyond two weeks are indicative only.

Today vs the next days - Czech Republic cities

City	Today	+3 days	+7 days	Rain today
🌧️ Brno	21℃	25℃	20℃	0.9 mm
🌧️ Prague	20℃	28℃	17℃	3.2 mm
🌧️ Karlovy Vary	19℃	27℃	17℃	3.6 mm
🌧️ Ostrava	18℃	25℃	18℃	4.8 mm
🌧️ Havirov	17℃	25℃	17℃	6.8 mm
🌧️ Liberec	16℃	21℃	15℃	2 mm

Day-by-day forecast for Czech Republic

Saturday5 September 2026

🌧️18°moderate rain

night 16° · evening 20° · rain 3.4 mm · humidity 50.5% · wind 7 m/s · clouds 65.5%

Sunday6 September 2026

☁️18°broken clouds

night 14° · evening 19° · rain 0.30000000000000004 mm · humidity 42% · wind 4 m/s · clouds 51.5%

Monday7 September 2026

☁️21°overcast clouds

night 16° · evening 21° · rain 3.36 mm · humidity 39.5% · wind 3 m/s · clouds 99.5%

Tuesday8 September 2026

☀️25°clear sky

night 20° · evening 26° · rain 0.885 mm · humidity 41.5% · wind 5 m/s · clouds 58%

Wednesday9 September 2026

🌧️21°light rain

night 16° · evening 19° · rain 5.955 mm · humidity 66% · wind 5 m/s · clouds 98%

Thursday10 September 2026

🌧️18°moderate rain

night 15° · evening 20° · rain 6.03 mm · humidity 50% · wind 4 m/s · clouds 99.5%

Friday11 September 2026

☁️20°overcast clouds

night 16° · evening 21° · rain 13.86 mm · humidity 45.5% · wind 6 m/s · clouds 100%

Saturday12 September 2026

🌧️17°light rain

night 12° · evening 18° · rain 3.81 mm · humidity 53% · wind 7 m/s · clouds 45.5%

Sunday13 September 2026

🌤️17°scattered clouds

night 12° · evening 16° · rain 0.6000000000000001 mm · humidity 49% · wind 7 m/s · clouds 41%

Monday14 September 2026

🌤️16°scattered clouds

night 11° · evening 17° · rain 1.305 mm · humidity 57% · wind 3 m/s · clouds 22.5%

Tuesday15 September 2026

🌤️19°a few clouds

night 15° · evening 23° · rain 0.66 mm · humidity 43.5% · wind 3 m/s · clouds 24.5%

Wednesday16 September 2026

🌧️22°light rain

night 17° · evening 24° · rain 4.545 mm · humidity 48.5% · wind 5 m/s · clouds 27%

Thursday17 September 2026

☁️20°broken clouds

night 16° · evening 23° · rain 1.185 mm · humidity 61.5% · wind 4 m/s · clouds 68.5%

Friday18 September 2026

🌤️22°scattered clouds

night 16° · evening 24° · rain 0.5700000000000001 mm · humidity 52.5% · wind 2 m/s · clouds 40.5%

Saturday19 September 2026

🌤️18°a few clouds

night 14° · evening 20° · humidity 46% · wind 4 m/s · clouds 12.5%

Sunday20 September 2026

🌤️21°scattered clouds

night 19° · evening 22° · humidity 44% · wind 3 m/s · clouds 10%

Pollen in Czech Republic - info for allergy sufferers

Today ragweed pollen is highest in Czech Republic - about 6 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Air quality and smog in Czech Republic

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Ostrawa	4.8	6.3	very good
Olomuniec	4.7	6	very good
Brno	4.7	6.6	very good
Plzeň	2.4	3.4	very good
Praga	1.9	2.4	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 03:00).

Czech Republic weather through the year

Czech Republic weather month by month - when is the best time to go?

January (2°)February (4°)March (9°)April (15°)May (19°)June (23°)July (26°)August (25°)September (19°)October (14°)November (8°)December (4°)

Weather in other countries in Europe

DenmarkCroatiaEstoniaBulgariaFaroe IslandsBosnia and Herzegovina

Public holidays in Czech Republic - when are the long weekends?

Next long weekend in Czech Republic: St. Wenceslas Day (28 September, Monday) - Saturday–Monday (3 days off).

2026

28 SeptemberMonday

St. Wenceslas Day

long weekend

28 OctoberWednesday

Independent Czechoslovak State Day

17 NovemberTuesday

Struggle for Freedom and Democracy Day

long weekend + bridge day

24 DecemberThursday

Christmas Eve

long weekend + bridge day

25 DecemberFriday

Christmas Day

long weekend

26 DecemberSaturday

St. Stephen's Day

falls on a weekend

2027

1 JanuaryFriday

New Year's Day

long weekend

26 MarchFriday

Good Friday

long weekend

29 MarchMonday

Easter Monday

long weekend

1 MaySaturday

Labour Day

falls on a weekend

8 MaySaturday

Liberation Day

falls on a weekend

5 JulyMonday

Saints Cyril and Methodius Day

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. Lunar holiday dates marked as tentative may shift by one day after the official announcement.

Calendar sources

Nager.Date public holiday database

FAQ - Czech Republic weather

What is the weather like in Czech Republic today?

Today it is about 18° during the day and 16° at night, moderate rain.

How far ahead can I check the forecast for Czech Republic?

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.